INOUT
DesignInputs
InductanceIdcIac(b-p)IpeakIrmsLIpIrmskcuTa (C)Ts (C)Freq.
[kHz]Material[H][A][A][A][A][milliJoules]d
[mm]0.45351005N8750000.00110.10010.1015.831294.511.0554099729450101TrianglarWaveformAssumed
forAC current
DESIGNOUTPUTS
Skin, Prox.Core TypeCore
#LIpIrmsJrmsBpeakNAcuAirgapEffects?Vc+Vw[milliJoules][A/mm2][mT][#][mm2][mm][cm3]E-coreERROR:#N/A0.00ERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AEC-coreERROR:#N/A0.00ERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AEFD-coreERROR:#N/A0.00ERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AEP-coreERROR:#N/A0.00ERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AER-coreERROR:#N/A0.00ERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AETD-coreERROR:#N/A0.00ERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/APM-corePM
114/93475.692.02321272.938.30NO898.8PotcoreERROR:#N/A0.00ERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/APQ-coreERROR:#N/A0.00ERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/ARMI-coreERROR:#N/A0.00ERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AU-coreERROR:#N/A0.00ERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/AERROR:#N/A
Notes
Any row having multiple cell entries of #N/A indicates the core
in
that row cannot meet the input specifications. Cell entries
with
negative numbers or #NUM! Indicate numerical problems in the
calculations
for that cell. Entries in such cells should be ignored but the
rest of
the entries in that row are still reliable. Airgap calculations
are
the most likely to have problems.
3C304F14F14F1100 mW100 mW100
mWPF(calc.)Freq.PF(exp.)PF(exp.)ERROR:#DIV/0!30002425ERROR:#DIV/0!50003030ERROR:#DIV/0!100004540ERROR:#DIV/0!
Ferrite_DataFerriteMaterialParameters
MANUFACT.SUGGESTEDBsatMAX
FREQMATERIALKcaba/o[mT][kHz]C(T)SIEMENS37010000.9997N270.000028010812.20500035010001.0326N415.00E-0511.95480030020001.0007N490.000000917112.83210036010000.9641N531.8E-0512.391430031030000.998N593.13E-0512.7406170032010001.0276N616.65E-0512.226360034010000.92533N625.13E-0712.866460038010000.9751N639.9E-0712.760470034010000.9901N670.000000412512.912430033010000.988N721.28E-0612.870400034010001.0073N879.24E-0813.174600PHILIPS32010000.94983B89.50E-071.62.5400035010001.071133C151.07E-071.72.8500035010001.2033C303.61E-071.52.7500031010013C809.60E-061.422.24000320100013C811.20E-061.562.555500310200013C854.50E-071.62.6400033010001.07953C905.40E-071.52.6550033010001.0913C941.53E-071.62.7550033020001.013F31.52E-061.32.5400035030001.03953F351.25E-081.53.552500310500013F41.71E-071.353.1217001801000014F11.79E-051.352.25300
Transfer Data
330110.000001280612.8698573434000
E_CORES
TransferDataMaximumPhilipsCalculatedCalculatedThermallyLimitedFluxLimitedInductanceDesiredInductanceCore
RatingCore # Designationw/bobbinw/bobbinL Ip Irms0.0ERROR:#N/ACore
Type/(mm)(mm)(mm)(mm)(mm)(mm)(mm)(mm2)(mm3)(mm)(mm2)(mm3)(mm2)[C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW/cm3][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]CriteriaERROR:#N/ANumberDim. ADim. BDim. CDim.
DDim. EDim. FLmAcVcLw AwVw AsRqPt @
DTPspJrmsBacBpeakBacBpeakPsp,coreJrmsBacBpeakJrmsE_ratingAcuNmaxLmaxEtabAirgap
gNEta'b'Airgap
gAirgapE5.3/2.7/25.252.6521.93.81.412.32.834.414.50.912.7134.3992.6651390.511.9803.4803.5330.0330.0108.213.5330.0330.013.50.0050.43243240680.90.19140879.70414582-0.08342433410.033576862654659.0909090909597522373868.2630.0033986718-1.9955493855
TestEERROR:#N/AE6.3/2.9/26.32.921.853.61.413.82.838.714.10.68.9153.6868.1751571.212.6838.4838.4330.0330.0108.214.4330.0330.014.40.0040.40547094940.70.16662729.94640199-0.11571795920.024201824454659.0909090909597522263146.8910.0033986718-1.9955493846FALSE#
of
TurnsE13/6/612.75.76.44.19.53.227.720.5567.833.015.5511.5821.1162.4400370.96.1506.9507.0330.0330.0108.26.6330.0330.06.60.3130.87910052977.95.311597458.6032852-0.05883316460.35018737027472.922585227311168645799.520.0095289394-6.2544936776ERROR:#N/AE13/7/412.956.53.74.58.953.729.513.7404.326.913.5363.7717.2185.9350455.36.8544.5544.5330.0330.0108.27.4330.0330.07.40.2040.7859485827.73.516860619.0482791-0.03967127250.348141145711179.361179361224995195289.82060.0073682479ERROR:#NUM!JrmsBpeakE/16/8/5168.24.75.711.34.736.822.1812.433.124.5809.71129.0118.1550339.35.9491.5491.5330.0330.0108.26.3330.0330.06.30.5080.923126178511.98.616218669.1812908-0.03953439680.56688244956928.2686530319599850956.206220.0093173268ERROR:#NUM!ERROR:#N/AERROR:#N/AE19/8/519.058.058.75.714.34.7539.841.31645.045.839.01783.41715.977.7836244.05.0438.1438.2330.0330.0108.25.3330.0330.05.31.2581.108217597615.821.411525112.9662414-0.05541273440.75608364943703.45927514712742930993.771370.0131606559-7.9859296854E19/8/919.18.18.75.714.34.7539.941.31648.345.839.01783.41723.977.3840244.95.0438.7438.7330.0330.0108.25.3330.0330.05.31.2601.105912638215.921.411549155.225266-0.05526938060.75809996593703.45927514712742930616.871270.0131606559-7.9859295724AcoreVc
+
VwE20/10/520.7105.36.312.85.245.227.61245.836.833.01215.11645.581.0802326.05.7484.6484.7330.0330.0108.26.2330.0330.06.20.8350.943701631615.714.217151412.2875758-0.03577320360.78775610825553.17324185256167221180.863120.0103713114ERROR:#NUM!ERROR:#N/AERROR:#N/AE20/10/62075.9714.15.945.534.81582.640.440.91651.61422.093.8693214.34.7418.8418.8330.0330.0108.24.9330.0330.04.91.0351.191605097715.517.613329074.7728272-0.0477428270.74060325684396.59450001313865749506.027030.0115946968ERROR:#NUM!E25/9/625.49.456.36.519.36.3548.540.01941.349.564.73203.72354.956.61148223.14.7424.7424.7330.0330.0108.25.0330.0330.05.01.9241.16504586625.032.718878813.4329215-0.02938923071.43087830823825.65815636682926891386.63470.0123788417ERROR:#NUM!E25/10/625.49.656.356.418.86.3548.440.31952.148.860.82967.22335.057.11138231.44.8430.1430.1330.0330.0108.25.1330.0330.05.11.8581.141538480724.031.617943825.7148954-0.03152974271.33543377873795.5348637972880978762.205490.0124245204ERROR:#NUM!E25/13/72512.87.58.717.57.556.656.33182.349.666.43290.72737.048.71334206.14.6413.1413.2330.0330.0108.24.8330.0330.04.82.6541.218106174424.545.113140619.7313059-0.04539675521.27487775222720.80808080811480359763.435220.0144638798ERROR:#NUM!E25/16/625.415.856.312.919.36.3574.140.02965.549.5137.36800.83497.938.11705174.64.2389.9389.9330.0330.0108.24.4330.0330.04.43.5561.338046742146.260.434971707.3816097-0.010044082ERROR:#NUM!3825.65815636682926764418.378750.01237883ERROR:#NUM!E30/15/730.8157.39.719.57.268.852.63618.352.295.24970.93692.636.11800209.64.6415.5415.6330.0330.0108.24.8330.0330.04.83.5921.206769436535.561.020420438.1589804-0.02436551252.39196722442911.82371661821695483598.261860.014031903ERROR:#NUM!E30/15/1330.815.212.69.719.57.268.890.76245.362.895.25980.34371.830.52131174.34.2389.7389.7330.0330.0108.24.4330.0330.04.45.5861.33925683832.094.810645611.1245723-0.05475192421.7103566931687.0089786756569049297.4444890.018405304ERROR:#NUM!E31/13/930.913.19.48.621.99.461.088.45392.661.185.05195.83670.136.31789169.04.1385.5385.5330.0330.0108.24.3330.0330.04.34.7721.363230526228.181.09585033.45674927-0.06400104571.41174283631732.0671632578599874288.5222210.0174769715ERROR:#NUM!E32/16/93216.49.511.222.79.572.690.36552.262.6120.67553.54521.029.52204156.24.0375.1375.1330.0330.0108.24.1330.0330.04.16.6141.425559013938.1112.312756204.6394883-0.0432168442.20033344771695.7945101989574984192.4155040.0176196998ERROR:#NUM!E34/14/934.314.19.39.825.59.369.286.55986.566.5131.48741.04558.329.32222150.93.9370.6370.6330.0330.0108.24.0330.0330.04.06.7671.454377454640.7114.914229706.7789216-0.03717421982.49392331541769.5161815869626078718.1635880.0173323466ERROR:#NUM!E36/21/153621.815.515.7524.510.295.4158.115075.677.7189.914759.97208.418.53514117.83.4339.9340.0330.0330.0108.23.5330.0330.03.515.4871.678352781950.9262.99736150.54506978-0.05581587122.9930230093968.0294405152187296530.7055620.0214625975ERROR:#NUM!E41/17/1240.616.612.410.428.612.4576.6154.411824.078.9139.711026.86121.721.82984130.63.6352.4352.4330.0330.0108.23.7330.0330.03.711.8141.580550349539.8200.67786494.01278914-0.07707659142.0578867734991.35545113196458690.881530.0208102154ERROR:#NUM!E42/21/15432115.214.829.512.297.7185.418116.685.8219.818869.68240.916.24017108.63.3330.5330.5330.0330.0108.23.3330.0330.03.320.0571.759797707756.2340.59172831.84563941-0.0591218953.323386313825.3098282218136122733.130050.021569594ERROR:#NUM!E42/21/2043212014.829.512.297.7244.023837.695.4219.820979.79056.914.7441598.53.2319.4319.4330.0330.0108.23.1319.4319.43.224.3191.848523231553.5412.96854861.98073112-0.08357925213.0291713891647.974047789583894630.99151830.0227399096ERROR:#NUM!E42/33/204232.8202629.512.2140.9244.034385.795.4395.637763.412634.310.6615985.42.9303.9303.9330.0330.0108.22.8303.9303.92.938.7651.985779550889.7658.112099100.2298084-0.033395852510.7970160924681.138500816392675335.92802610.0236362243ERROR:#NUM!E46/23/304623.23015.831.514.2103.3426.043990.9119.4235.528130.211996.111.1584881.12.9298.5298.5330.0330.0108.22.7298.5298.52.938.5652.037525183652.0654.74083632.383498-0.15014922622.8929150596397.192807177831504328.76569040.0190081986ERROR:#NUM!E47/20/1646.919.615.612.132.415.688.0243.421407.292.7171.815916.08265.016.14029108.03.3329.8329.8330.0330.0108.23.3329.8329.83.320.4841.765865391243.8347.85437115.5770543-0.11476908642.1611260805629.292756315879130156.29936870.0211703118ERROR:#NUM!E50/27/155027.214.618.634.114.6118.9213.225336.892.9318.629600.811269.211.85494100.03.2321.1321.1330.0330.0108.23.1321.1321.13.231.1901.83476179378.1529.511421661.9512102-0.04028645456.2655615913737.870476092108779928.3378190.0219040695ERROR:#NUM!E55/28/2156.227.82118.537.517.2123.7361.244665.6112.2331.037123.513969.79.5681083.32.9301.2301.3330.0330.0108.22.8301.2301.32.947.0032.010688039574.1798.06808501.39911275-0.07836761854.9176319414464.141377707843017515.91528320.0197505201ERROR:#NUM!E55/28/2556.627.82518.537.517.2124.3430.053443.4120.2331.039771.414928.68.9727878.12.8294.5294.6330.0330.0108.22.7294.5294.62.852.9822.07646077571.7899.55662771.64384329-0.09795235714.6065260226398.723237092331738694.84541070.0171942209ERROR:#NUM!E56/24/1956.123.618.814.638.118.8106.0353.437450.5109.4244.326719.411777.711.3574289.53.0308.9308.9330.0330.0108.22.9308.9308.93.036.0771.939663263656.7612.55183354.63220137-0.11551527963.1453247494462.591787863742738749.0493250.0190301819ERROR:#NUM!E65/32/276532.827.422.244.220145.7548.079819.5136.7483.666104.919973.16.7973766.72.6278.9278.9330.0330.0108.22.4278.9278.92.686.3512.246115054396.91466.06351422.80293352-0.07755637887.8630155673330.468030670921789086.63282180.0109757658ERROR:#NUM!E71/33/3270.533.23221.94822148.9704.0104843.2152.7514.878620.222897.65.81116360.82.5270.0270.1330.0330.0108.22.2270.0270.12.5109.1962.35218112798.51853.95190974.95185106-0.09889050737.721961494265.645424652714071525.868818-0.0024011893ERROR:#NUM!E80/38/208038.119.828.259.119.8184.9392.072493.3144.81033.0149564.127455.84.91338560.32.5269.2269.2330.0330.0108.22.2269.2269.22.5121.0402.3632327083196.72055.018733853.9151563-0.0027645235ERROR:#NUM!478.589664010245716028.23851620.0222395506ERROR:#NUM!
Single airgapSingle airgapin center legin center legof the
E-coreof the E-coreE Core Dimensions
[mW/cm3]PhilipsCalculatedCalculatedPsp,cu
Designationw/bobbinw/bobbinFrom Ferroxcube CD1800.2Core
Type/[mm][mm2][mm][mm2]2047.6NumberlwAwlwAw435.6E5.3/2.7/214.50.912.61.5545.0E6.3/2.9/214.10.612.81.6395.0E13/6/633.015.532.016.8274.1Magnetic
path length lm = 4D +(E-F) +
(0.5)(A-E)E13/7/426.913.524.011.6275.2E/16/8/533.124.533.021.6378.0Core
Area Ac =
FCE19/8/545.839.033.740.0237.1E19/8/945.839.047.635.9248.0Core
Volume Vc = Aclm = FC(4D +(E-F) +
E)E20/10/536.833.038.728.6258.3E20/10/640.440.9226.9E25/9/649.564.7188.0E25/10/648.860.853.147.4231.2E25/13/749.666.449.056.0187.7E25/16/649.5137.3181.1E30/15/752.295.256.080.0165.6E30/15/1362.895.2159.1E31/13/961.185.0119.5E32/16/962.6120.660.097.0134.8E34/14/966.5131.469.0102.0108.7E36/21/1577.7189.995.4Mean
turn length = lwE41/17/1278.9139.781.2114.078.6
E42/21/1585.8219.893.0178.073.3 No coil former : lw =
2(F+C)+0.5(E-F)With coil former lw =
2(F+C+3.2mm)+0.5(E-F-1.6mm)E42/21/2095.4219.878.5255.0107.9E42/33/2095.4395.697.3E46/23/30119.4235.576.0E47/20/1692.7171.894.7131.069.7E50/27/1592.9318.683.8E55/28/21112.2331.0119.0278.056.4E55/28/25120.2331.049.8E56/24/19109.4244.3114.0205.049.2E65/32/27136.7483.6150.0394.0E71/33/32152.7514.8E80/38/20144.81033.0Winding
Volume Vw = Awlw Surface Area of assembled transformer As
As = surface area of assembled core plus surface area of winding
not included in core surface area.
Core surface area = 4AB + 4BC + 2AC
Surface area of winding not included in core surface area
=4E{0.5}(E-F)+ 4{2D(0.5)(E-F)} = 2E(E-F) + 4D(E-F) =
2(E-F)(E+2D)
As = 4AB + 4BC + 2AC + 2(E-F)(E+2D)
EC_Cores
TransferDataFerroxcubeFerroxcubeThermallyLimitedFluxLimitedMaximumPhillipsw/bobbinw/bobbinInductanceDesiredInductanceCore
RatingCore
#designation[mm][mm][mm][mm][mm][mm][mm][mm2][mm3][mm][mm2][mm3][mm2][C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW/cm3][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]0ERROR:#N/ACore #Dim. ADim. BDim. CDim. DDim.
EDim. HLmAcVcLwAwVwAsRqPt @
DTPspJrmsBacBpeakBacBpeakPsp,coreJrmsBacBpeakJrmsE_ratingAcuNmaxLmaxEtabAirgap
gNEta'b'Airgap
gCriteriaERROR:#N/AEC3535.317.39.522.89.512.377.484.3653053.1102.55442.84327.130.82109.5176.24.2391.1391.17329.97330.00108.24.4329.97330.04.385.6207775451.334.695.412398880.3-0.11.51815.5659015579.317230.0174666444ERROR:#NUM!TestECAirgapEC4141.619.511.627.111.613.989.31211080062.4137.58580.05854.722.82854.2147.33.9367.4367.48329.97330.00108.24.0329.97330.03.959.76922069821.542.0165.910467222.0-0.11.91264.8319816837.8303940.0200403627ERROR:#NUM!ERROR:#N/AEC5252.224.213.43313.415.91051801880074.9212.015878.88921.014.94349.0125.43.6347.4347.46329.97330.00108.23.6329.97330.03.6020.42059863921.659.0346.79909601.3-0.12.5850.3144470130.5989180.0198054385ERROR:#NUM!TRUE#
of
TurnsEC7071.734.516.444.516.422.81442794010097.3465.045244.516981.47.98278.497.03.1317.7317.72329.97330.00108.23.1317.69317.73.1358.06011507121.9112.3985.712697094.7-0.06.7569.864822342.97184560.0172111588ERROR:#NUM!ERROR:#N/AJrmsBpeakSingle
airgapSingle airgapERROR:#N/AERROR:#N/Ain center legin center legof
the coreof the coreAcoreVc +
Vw[mW/cm3]ERROR:#N/AERROR:#N/APsp,cu189.9643920822154.7839738028128.5590025427EC
Core Formulas93.3894183942
Magnetic parameters (mean path length lm, core area Ac, and core
volume Vc) given in manufacturer's catalog.
Winding parameters:
Mean turn length lw = 2 (D/2 + E/2)/2 = 0.5 (D + E) ; No coil
formerPhillipsCalculatedCalculatedFerroxcubeFerroxcubeCalculatedCalculatedlw
= 0.5 (D + E+1.6) ; with coil former having walls 0.8 mm
thickdesignationw/bobbinw/bobbinw/bobbinw/bobbinNo bobbinNo
bobbinCore #LwAwLwAwLwAwWinding window area Aw = 2H (D-E)/2 =
(D-E)H ; no
bobbinEC3553.223134.5553.1102.550.711163.59EC4163.271182.0962.4137.560.759215.45Aw
= (D-E-1.6)(H-0.8) ; with bobbin having walls 0.8 mm
thickEC5275.36271.874.9212.072.848311.64EC7098.12558397.3465.095.613640.68Winding
volume Vw = Awlw = (D + E) H (D-E) = (D2 - E2)
Surface area of assembled core and winding AsExposed core
surface area:Front and back = 2(A2B) - 2(2HD) = 4AB - 4DHTop and
bottom = 2ACLeft and right = 2(2BC) = 4BCTotal exposed core surface
area = 4AB - 4DH + 2AC + 4BC
Exposed winding surface area:Vertical surface = 2HD -
2(2HC)Horizontal surface = 2(0.5D)2 - 2CD
As = 4B(A+C) + 2AC - 4DH + 2H(D - 2C) + 0.5D2 - 2CD
EFD_Cores
TransferDataFerroxcubeFerroxcubeThermallyLimitedFluxLimitedMaximumPhillipsw/bobbinw/bobbinInductanceDesiredInductanceCore
RatingCore
#designation[mm][mm][mm][mm][mm][mm][mm][mm][mm2][mm3][mm][mm2][mm3][mm2][C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW/cm3][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]0.00ERROR:#N/ACore #Dim. ADim. BDim. CDim. DDim.
EDim. FDim. HLmAcVcLwAwVwAsRqPt @
DTPspJrmsBacBpeakBacBpeakPsp,coreJrmsBacBpeakJrmsE_ratingAcuNmaxLmaxEtabAirgap
gNEta'b'Airgap
gCriteriaERROR:#N/AEFD1010.55.22.77.74.61.53.823.77.2171.014.84.262.2251.0531.1122.4524.97.3572.2572.22329.97330.00108.28.0329.97330.08.020.040.732.600.6110390917.77-0.070.1021256.319.04E+106.091E-03-4.486TestEFDAirgapEFD1212.56.23.59.05.42.04.628.511.4325.018.66.5120.9342.3389.5166.9374.26.1508.5508.59329.97330.00108.26.7329.97330.06.670.070.873.341.258482361.56-0.090.1313425.043.60E+107.378E-03-5.175ERROR:#N/AEFD1515.07.54.711.05.32.45.534.015.0510.025.616.7427.5578.5230.5282.0300.85.5471.3471.31329.97330.00108.25.9329.97330.05.910.220.997.623.7315094893.95-0.040.3410203.032.08E+107.662E-03ERROR:#NUM!TRUE#
of
TurnsEFD2020.010.06.715.48.93.67.747.031.01460.034.127.7944.6986.9135.1481.1200.14.5408.8408.89329.97330.00108.24.7329.97330.04.710.601.2410.0610.199634957.42-0.070.454936.954.87E+091.234E-02-8.824ERROR:#N/AEFD2525.012.59.118.711.45.29.357.058.03300.040461840.01352.098.6659.1128.23.6350.1350.17329.97330.00108.23.7329.97330.03.651.451.6012.9624.556643590.83-0.100.572638.711.39E+091.603E-02-10.513JrmsBpeakEFD3030.015.09.122.414.64.911.268.069.04700.052.952.32766.71894.770.4923.7123.73.5345.8345.81329.97330.00108.23.6329.97330.03.581.921.6314.4332.536205376.67-0.110.642218.059.84E+081.869E-02-13.631ERROR:#N/AERROR:#N/ASingle
airgapSingle airgapAcoreVc + Vwin center legin center
legERROR:#N/AERROR:#N/Aof the coreof the
core[mW/cm3]Psp,cu635.9926275712439.9578302489345.8924886912EFD
Core Formulas219.3806417261131.9177788266126.5346808578
Magnetic parameters (mean path length lm, core area Ac, and core
volume Vc) given in manufacturer's catalog.
Winding parameters:
Mean turn length lw
PhillipsCalculatedCalculatedFerroxcubeFerroxcubeCalculatedCalculateddesignationw/bobbinw/bobbinw/bobbinw/bobbinNo
bobbinNo bobbinCore
#LwAwLwAwLwAwEFD1021.04.514.84.217.111.8EFD1224.37.618.66.520.516.6EFD1528.219.325.616.724.331.4EFD2039.133.834.127.735.250.1EFD2548.548.5404644.767.9EFD3055.164.552.952.351.287.4
lw = 2(E+F) +2(0.25)(D - E) = 2(E+F) +0.5(D-E) ; no coil
former
lw = = 2(E+F+3.2 ) +0.5(D-E-1.6) ; with coil former having wall
thickness 0.8 mm
Winding window area Aw = 2H (D-E)/2 = (D-E)H : no coil formerAw
= (D-E-1.6)(H-.8) ; with coil former having wall thickness 0.8
mm
Winding volume Vw = Awlw
Surface area of assembled core and winding AsExposed core
surface area:Front and back = 2(A2B) - 2(2HD) = 4AB - 4DHTop and
bottom = 2ACLeft and right = 2(2BC) = 4BCTotal exposed core surface
area = 4AB - 4DH + 2AC + 4BC
Exposed winding surface area:Vertical surface = 2DH - 4CH
Horizontal surface = 4(D-E)E + 4F(D-E) +2EF +2(D-E)2 - 2DC
Total surface area As = 2H(D-2C) + 4(D-E)(E+F) + 2EF +2(D-E)2 -
2CD
= 4(D-E)(E+F) + 2EF +2(D-E)2 - 2CD
EP_Cores
TransferDataFerroxcubeFerroxcubeThermallyLimitedFluxLimitedMaximumPhillipsw/bobbinw/bobbinInductanceDesiredInductanceCore
RatingCore
#designation[mm][mm][mm][mm][mm][mm][mm][mm][mm2][mm3][mm][mm2][mm3][mm2][C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW/cm3][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]0ERROR:#N/ACore #Dim. ADim. BDim. CDim. DDim.
EDim. FDim. GLmAcVcLwAwVwAsRqPt @
DTPspJrmsBacBpeakBacBpeakPsp,coreJrmsBacBpeakJrmsE_ratingAcuNmaxLmaxEtabAirgap
gNEta'b'Airgap
gCriteriaERROR:#N/AEP79.47.55.06.57.23.41.715.510.7165.017.74.376.1381.2349.8185.8770.88.8654.1654.19329.97330.00108.29.9329.97330.09.860.0673437560.63.31.19068909.5-0.10.114303.31350892140916668046.6323-0.10462521790.1106065444TestEPAirgapEP1011.510.27.47.69.43.31.819.311.3215.021.711.4247.4604.1220.7294.5636.98.0612.0612.11329.97330.00108.28.9329.97330.08.900.17020048910.77.82.920863256.1-0.00.313543.84553499636686811493.3007-0.04183468390.2619505411ERROR:#N/AEP1312.813.09.09.09.74.52.424.219.5472.023.013.5310.5847.0157.4412.9527.77.3573.2573.26329.97330.00108.28.0329.97330.08.040.31422191470.78.45.312898231.9-0.10.37848.484848484812319496648.133-0.06934447520.2932605909TRUE#
of
TurnsEP1718.016.811.411.012.05.73.329.533.7999.028.918.6537.51448.492.1706.1459.56.8546.2546.30329.97330.00108.27.5329.97330.07.460.69411340790.810.711.89548108.3-0.10.34541.40814674944124703906.36602-0.09443302780.3453160822ERROR:#N/AEP2024.021.414.415.016.58.84.541.178.73230.040.833.61370.92524.652.81230.8267.55.2452.4452.43329.97330.00108.25.5329.97330.05.542.17492783251.114.436.95481998.3-0.20.51944.6690539448756243927.552566-0.16673154380.4657602926JrmsBpeakERROR:#N/AERROR:#N/ASingle
airgapSingle airgapin center legin center legAcoreVc + Vwof the
coreof the coreERROR:#N/AERROR:#N/A[mW/cm3]Psp,cu961.7727996762EP
Core Formulas783.6773683289639.6147477514Core
dimensions:PhillipsCalculatedCalculatedFerroxcubeFerroxcubeCalculatedCalculated550.5001786116Magnetic
dimensions (lm, Ac, Vc) given on core spec
sheets.designationw/bobbinw/bobbinw/bobbinw/bobbinNo bobbinNo
bobbin303.6994250288Winding dimensions:Core #LwAwLwAwLwAwMean turn
length lw = 2(E+F)/2 = (E + F) ; no
bobbinEP719.23.717.74.316.69.5EP1022.513.121.711.419.922.6lw = (E +
F+1.6) ; bobbin with 0.8 mm thick
wallsEP1324.813.323.013.522.323.4Winding window area Aw = C(E-F)/2
; no bobbinEP1730.323.028.918.627.835.9Aw = (C-1.6)(E-F-1.6)/2 ;
bobbin with 0.8 mm thick wallsEP2042.239.040.833.639.755.4
Winding volume Vw = lw Aw
Surface area As:Exposed core surface:
Vertical surface area = 2BD + AB + AB - EC = 2B(D+A) - ECTop and
bottom surface = 2ADExposed core surface area = 2AD + 2B(A+D) -
EC
Exposed winding surface = CE/2
Total surface area = 2AD + 2B(A+D) - EC + 0.5CE = 2AD + 2B(A+D)
+ 0.57CE
ER_Cores
TransferDataCalculatedCalculatedCalculatedThermallyLimitedFluxLimitedMaximumPhillipsw/bobbinw/bobbinw/bobbinInductanceDesiredInductanceCore
RatingCore
#designation[mm][mm][mm][mm][mm][mm][mm][mm][mm2][mm3][mm][mm2][mm3][mm2][C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW/cm3][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]0ERROR:#N/ACore #Dim. ADim. BDim. CDim. DDim.
EDim. FDim. GLmAcVcLwAwVwAsRqPt @
DTPspJrmsBacBpeakBacBpeakPsp,coreJrmsBacBpeakJrmsE_ratingAcuNmaxLmaxEtabAirgap
gNEta'b'Airgap
gCriteriaERROR:#N/AER9.59.55.02.57.13.51.67.514.28.5120.019.81.938.071.71859.635.0221.34.7423.4423.47329.97330.00108.25.0329.97330.04.980.011.20.70.22326483.6-0.40.018005.347593582964838176927.22850.006984415ERROR:#NUM!TestERAirgapER1111.06.02.58.04.31.58.714.711.9174.022.92.044.976.71738.337.4170.84.2386.9386.95329.97330.00108.24.3329.97330.04.300.011.40.70.31429282.2-0.70.012860.962566844933080626531.1180.0085694533ERROR:#NUM!ERROR:#N/AER14.514.56.83.011.84.81.611.819.017.6333.028.64.3123.473.21821.835.778.22.8294.7294.70329.97330.00108.22.7294.67294.72.810.032.10.90.51610161.3-0.60.09737.411868913418963223785.44460.0095467124ERROR:#NUM!TRUE#
of
TurnsER2828.611.414.021.89.99.821.864.081.45260.052.392.74846.41689.478.9823.681.52.9299.0299.00329.97330.00108.22.7298.98299.02.872.912.020.549.58361931.8-0.11.02075.0646974147861022699.5353540.0186263896ERROR:#NUM!ERROR:#N/AER28L28.611.416.921.89.912.721.875.581.46140.052.3122.66408.12165.561.61055.784.12.9302.3302.35329.97330.00108.22.8302.32302.32.923.962.027.667.211133114.5-0.11.42052.1408973428842072421.0753820.0185999783ERROR:#NUM!JrmsBpeakER3535.011.420.726.211.314.826.290.8107.09710.061.4186.211430.33174.742.01547.773.22.7288.0288.04329.97330.00108.22.5288.02288.02.727.022.139.1119.212637849.7-0.12.31638.6655622516536876592.3368590.0207178073ERROR:#NUM!ERROR:#N/AERROR:#N/AER4040.013.422.429.613.315.529.698.0149.014600.069.9216.115097.13903.834.21903.164.12.5275.0274.99329.97330.00108.22.3274.96275.02.5410.142.342.4172.110328983.6-0.12.61232.6412190946303750375.3750550.023273238ERROR:#NUM!ER4242.015.622.430.115.515.530.198.8194.019200.074.1191.114161.34207.131.72051.061.52.5271.0271.04329.97330.00108.22.3271.01271.02.4911.272.336.7191.36958675.6-0.12.1960.5175660531184417751.6475360.0255205643ERROR:#NUM!AcoreVc
+
VwER42A42.015.621.830.415.015.630.499.0170.016800.073.8204.215070.94042.333.01970.661.82.5271.6271.58329.97330.00108.22.3271.55271.62.5010.602.339.4180.08502299.9-0.12.61093.9277708325239220047.3412060.0257758339ERROR:#NUM!ERROR:#N/AERROR:#N/AER4848.021.021.238.018.014.738.0100.0255.025500.090.4255.823128.94043.633.01971.240.52.0234.4234.42329.97330.00108.21.7234.40234.42.0213.922.939.9236.46670733.7-0.12.9844.8727881335142684196.7243460.0289178897ERROR:#NUM!ER5453.518.018.340.717.911.140.791.8250.023000.094.5218.420638.13324.940.11620.937.11.9227.4227.39329.97330.00108.21.6227.37227.41.9410.823.032.6183.75726738.0-0.12.3888.4210642027157785540.3209530.0293957046ERROR:#NUM!
Single airgapSingle airgap[mW/cm3]in center legin center
legPsp,cuof the coreof the
core245.6742588086183.366827190369.807314072873.8382937751ER Core
Formulas77.081764768963.90282872Magnetic dimensions (mean path
length lm, core area Ac, and core volume Vc) given on core
specification sheets.53.400694718150.492675903550.8853917246Winding
dimensions:28.796036331525.5943877208Mean turn length lw = 2
(G+E)/2 = (G+E) ; no
bobbinPhillipsCalculatedCalculatedFerroxcubeFerroxcubeCalculatedCalculateddesignationw/bobbinw/bobbinw/bobbinw/bobbinNo
bobbinNo bobbinlw = (G+E+1.6) ; bobbin with 0.8 mm thick wallsCore
#LwAwLwAwLwAwER9.519.81.918.42.817.36.4Winding area Aw = 2F(G-E)/2
= F(G-E) ; no
bobbinER1122.92.021.62.820.46.6ER14.528.64.327.05.126.111.2Aw =
(F-0.8)(G-E-1.6) ; bobbin with 0.8 mm thick
wallsER2852.392.749.8116.6ER28L52.3122.649.8151.1Winding Volume Vw
= lwAw = F(G2 -
E2)ER3561.4186.258.9220.5ER4069.9216.167.4252.7Surface area
As:ER4274.1191.171.6226.3Exposed core surface: front and back =
2(2CA) - 2(2FD) = 4AC-4DFER42A73.8204.271.3240.2Left and right =
2(2CB) = 4BCER4890.4255.887.9294.0top and bottom =
2ABER5494.5218.492.0253.1Total exposed core surface = 4AC
-4DF+4BC+2AB = 4C(A+B)+2AB-4DF
Winding surface:Vertical surface = G2F - 2(2FB) = 2FG -
4BFHorizontal surface = 2(G/2)2 - 2BGTotal winding surface =
2FG-4BF + 0.5G2 -2BG = G(2F-0.5G) - 2B(2F+G)
As = 4C(A+B)+2AB-4DF + G(2F-0.5G) - 2B(2F+G)
ETD_Cores
TransferDataFerroxcubeFerroxcubeFerroxcubeThermallyLimitedFluxLimitedMaximumPhillipsw/bobbinw/bobbinw/bobbinInductanceDesiredInductanceCore
RatingCore
#designation[mm][mm][mm][mm][mm][mm][mm][mm2][mm3][mm][mm2][mm3][mm2][C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW/cm3][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]0ERROR:#N/ACore #Dim. ADim. BDim. CDim. DDim.
EDim. FLmAcVcLwAwVwAsRqPt @
DTPspJrmsBacBpeakBacBpeakPsp,coreJrmsBacBpeakJrmsE_ratingAcuNmaxLmaxEtabAirgap
gNEta'b'Airgap
gCriteriaERROR:#N/AETD2930.615.89.811229.87276547052.095.04940.0334339.91629.8156.64.0375.4375.39329.97330.00108.24.1329.97330.04.104.39067041811.430.074.511903508.1-6.5E-021.52013.7559808612810854660.1660740.0183537776ERROR:#NUM!TestETDAirgapETD343517.311.111.825.611.178.697.1764060.0123.07380.0428131.12087.1139.03.7360.1360.11329.97330.00108.23.8329.97330.03.826.78199897121.536.3115.111281207.0-6.7E-021.91576.1632805917496697527.344050.0201655522ERROR:#NUM!ERROR:#N/AETD394019.812.814.229.312.892.21251150069.0177.012213.0562323.72741.3115.63.4337.7337.75329.97330.00108.23.4329.97330.03.4411.29157690341.746.9191.711348686.1-6.3E-022.71224.3636363636299666913.6035680.0222279053ERROR:#NUM!TRUE#
of
TurnsETD444522.315.216.132.515.21031731780077.0214.016478.0717118.63496.0102.03.2323.3323.32329.97330.00108.23.2323.29323.33.2117.28867738471.853.0293.59454099.0-7.6E-023.2902.9386090938162941496.2547650.0241983556ERROR:#NUM!ERROR:#N/AETD4949.824.716.717.736.116.71142112400085.0273.023205.0878315.24282.090.73.0310.3310.38329.97330.00108.22.9310.35310.43.0324.35346963181.963.8413.59728645.5-7.0E-024.2771.1839406608118837734.7887980.0248967648ERROR:#NUM!JrmsBpeakETD5454.527.618.920.241.218.91272803550096.0316.030336.01094112.25333.981.02.9298.4298.40329.97330.00108.22.7298.37298.42.8633.98772384742.069.8577.08343799.5-8.3E-024.5604.481501109372989582.70560290.0239554872ERROR:#NUM!ERROR:#N/AERROR:#N/AETD5959.83121.6522.544.721.6513936851500106.0366.038796.0134199.96542.072.52.7287.0287.00329.97330.00108.22.5286.97287.02.7147.05713210632.276.4798.97232601.4-9.6E-025.1478.195624209245659267.07571140.0211685626ERROR:#NUM!
AcoreVc + VwERROR:#N/AERROR:#N/ASingle airgapSingle airgapin
center legin center leg[mW/cm3]of the coreof the
corePsp,cu166.0235014445144.7601564232ETD Core
FormulasPhillipsCalculatedCalculatedFerroxcubeFerroxcubeCalculatedCalculated116.9297233034designationw/bobbinw/bobbinw/bobbinw/bobbinNo
bobbinNo bobbin99.9240357155DimensionsCore
#LwAwLwAwLwAw85.3166446333Mean turn length lw =2 (E+F)/4 = 0.5(E+F)
; no
bobbinETD2952.438108.1252.095.049.926134.273.2582992108ETD3460.131141.960.0123.057.619171.163.0098391836ETD3968.609199.6669.0177.066.097234.3lw
= 0.5(E+F+1.6) ; bobbin with 0.8 mm thick
wallsETD4477.401240.2177.0214.074.889278.53ETD4985.408300.8285.0273.082.896343.38Winding
window area Aw = 2D = D(E-F) ; no
bobbinETD5496.869401.5896.0316.094.357450.46ETD59106.6815465.465106.0366.0104.1695518.625Aw
= (D-0.8)(E-F-1.6) ; bobbin with 0.8 mm thick walls
Winding volume Vw = {0.25 E2 - 0.25F2]2D = 0.5D(E2 - F2)
Surface Area AsExposed core surface:left and right = C4B : top
and bottom 2CA : front and back 2(2AB-2DE)Summing 4BC +
2AC+4AB-4DE
Exposed winding surface:Vertical cylindrical surface = 2D*2E/2 -
2(2DC) = 2DE - 4CDHorizontal circuilar surfaces = 2(0.25E2) - 2CE =
0.5(E2) - 2CE
Summing exposed core and winding area:As =
4BC+2AC+4AB-4DE+2DE-4CD+0.5(E2)-2CE
PM_CORES
TransferDataCalculatedCalculatedCalculatedThermallyLimitedFluxLimitedMaximumSeimensw/bobbinw/bobbinw/bobbinInductanceDesiredInductanceCore
RatingCore
#Designation[mm][mm][mm][mm][mm][mm][mm][mm][mm][mm][mm][mm2][mm3][mm][mm2][mm3][mm2][C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW/cm3][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]476PM 114/93Core # Dim. A Dim. B Dim. C Dim. D
Dim. EDim. FDim. GDim. HDim. IDim. JLmAcVcLwAwVwAsRqPt @
DTPspJrmsBacBpeakBacBpeakPsp,coreJrmsBacBpeakJrmsE_ratingAcuNmaxLmaxEtabAirgap
gNEta'b'Airgap gCriteria5.0PM
50/3949.238.823.426.84.81.419.739.75.437.68437031000191.5231.844406.613734.09.76695.388.83.0308.0308.07329.97330.00108.22.9308.04308.12.9935.61409272851.953.6604.64702945.9-0.22.2443.074304450739217922.80784130.0136335866ERROR:#NUM!TestPMAirgapPM
62/4962.049.0-33.4--25.548.85.4-10957062000238.3345.082229.621570.56.210515.672.92.7287.6287.63329.97330.00108.22.5287.60287.62.7169.08009689392.172.31172.84413856.3-0.23.7308.051864499218941248.166876-0.0023494521ERROR:#NUM!8.3PM
74/5974.059.0-40.7--29.557.55.4-128790101000278.2516.1143586.630555.34.414895.760.92.5270.1270.15329.97330.00108.22.2270.12270.12.48122.93930789112.498.82087.24643405.9-0.25.7236.648477087711168352.461341-0.0314793447ERROR:#NUM!TRUE#
of TurnsPM
87/7087.070.0-48.0--31.767.18.5-146910133000315.3784.2247211.142097.03.220522.354.02.3259.0259.02329.97330.00108.22.1259.00259.02.33194.21234432222.5141.33297.26023350.2-0.110.7214.2682411659150342.58826673-0.0470335933ERROR:#NUM!126.7052087799PM
114/9311493-63--43885.4-2001720344000416.41332.4554755.172307.91.835250.139.22.0231.7231.75329.97330.00108.21.7231.72231.71.99475.68832964472.9204.78076.05163093.4-0.120.8126.70520877993187770.7423894-0.23099431798.302971954JrmsBpeak2232Single
airgapSingle airgapAcoreVc + Vwin center legin center
leg1720899[mW/cm3]of the coreof the
corePsp,cu82.890302789163.54816251949.856136984142.366496843827.5433434252PM
Core Forumlas
SeimensCalculatedCalculatedFerroxcubeFerroxcubeCalculatedCalculatedDesignationw/bobbinw/bobbinw/bobbinw/bobbinNo
bobbinNo bobbinCore #LwAwLwAwLwAwPM 50/39191.54231.84186.516268PM
62/49238.326345.03233.302389.11PM 74/59278.204516.12273.18569.8PM
87/70315.256784.16310.232849.6PM
114/93416.3641332.38411.341417.5
Effective magnetic length lm, core area Ac, and core volume Vm
given in core specification sheet.
Mean winding length lw = 2(g +h)/2 = (g + h) ; no bobbinlw = =
(g + h + 1.6) ; bobbin with 0.8 thick walls
Winding window area Aw = d(h - g)/2 ; no bobbinAw = (d - 1.6)(h
- g -1.6)/2 ; bobbin with 0.8 mm thick walls
Winding volume = Vw = lwAw = (h^2 - g^2)/2
Surface area As 2 (a/2)^2 + 2(a/2)h = a^2/2 + ah
Potcore
TransferDataFerroxcubeFerroxcubeThermallyLimitedFluxLimitedMaximumPhillipsw/bobbinw/bobbinInductanceDesiredInductanceCore
RatingCore #
designation[mm][mm][mm][mm][mm][mm][mm][mm][mm][mm2][mm3][mm][mm2][mm3][mm2][C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW/cm3][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]0ERROR:#N/ACore # Dim. A Dim. B Dim. D1 Dim. D2
Dim. D3 Dim. D4Dim. H1Dim. H2LmAcVcLwAwVwAsRqPt @
DTPspJrmsBacBpeakBacBpeakPsp,coreJrmsBacBpeakJrmsE_ratingAcuNmaxLmaxEtabAirgap
gNEta'b'Airgap
gCriteriaERROR:#N/AP7/45.51.67.45.83.01.44.22.810.07.070.014.62.231.4125.01066.960.9600.97.8599.8599.82329.97330.00108.28.6329.97330.08.620.020.71.40.35972209.0-0.20.121863.636363636495603435561.55240.0059894302ERROR:#NUM!TestPAirgapP9/56.52.09.37.53.92.15.43.612.510.1126.018.83.464.1200.9663.698.0515.37.2568.5568.53329.97330.00108.27.9329.97330.07.940.040.72.10.76082732.3-0.20.115153.015301530245922528985.41110.0077779954ERROR:#NUM!ERROR:#N/AP11/76.82.211.39.04.72.26.54.415.516.2251.022.74.8108.3294.5452.8143.6399.66.4520.3520.33329.97330.00108.26.9329.97330.06.910.080.82.51.34615876.7-0.20.19447.250280583617849917733.48720.0093433888ERROR:#NUM!TRUE#
of
TurnsP14/89.52.714.311.66.03.18.45.619.825.1495.029.08.7250.9479.4278.1233.7313.45.6478.0478.07329.97330.00108.26.0329.97330.06.050.191.04.03.34765158.9-0.20.26097.42846794647435570267.554650.0118640985ERROR:#NUM!ERROR:#N/AP18/1113.43.818.414.97.63.110.67.225.843.31120.036.718.1664.3781.7170.6381.1213.64.6418.3418.30329.97330.00108.24.9329.97330.04.880.571.26.89.64703936.9-0.20.33534.5370564772498472217.913080.0147955508ERROR:#NUM!JrmsBpeakP22/1315.03.822.017.99.44.413.49.231.563.42000.044.727.11211.41167.7114.2569.2177.34.2392.0391.99329.97330.00108.24.4329.97330.04.401.121.39.219.04339471.1-0.20.42413.96616002291165347943.905540.0179328725ERROR:#NUM!ERROR:#N/AERROR:#N/AP26/1618.03.825.521.211.55.416.011.037.693.93530.052.739.32071.11606.283.0783.0139.83.8360.8360.87329.97330.00108.23.8329.97330.03.842.101.511.635.73714249.0-0.20.51629.8770452125531220386.9019150.0210977665ERROR:#NUM!P30/1920.54.330.025.013.55.418.813.045.2137.06190.066.058.13834.62221.060.01082.7108.03.3329.8329.84329.97330.00108.23.3329.81329.83.303.901.814.866.33244887.0-0.30.61117.658962099249766849.4042220.022954206ERROR:#NUM!AcoreVc
+
VwP36/2226.24.936.229.916.25.421.714.653.2202.010700.074.372.45379.33121.842.71521.994.63.1315.0315.01329.97330.00108.23.0314.98315.03.096.411.917.3108.82690053.6-0.30.8793.7002911964125939775.2235380.0243762822ERROR:#NUM!ERROR:#N/AERROR:#N/AP42/2932.05.142.235.617.75.429.420.368.6265.018200.086.0140.012040.04786.227.92333.377.22.8293.3293.36329.97330.00108.22.6293.34293.42.7913.672.130.2232.13867531.6-0.21.4649.653142201984358478.35111330.0234212964ERROR:#NUM!P66/567.066.353.528.86.455.842.0123.0717.088300.0130.0400.052000.013814.49.76734.548.02.2248.6248.65329.97330.00108.21.9248.62248.62.2070.662.668.01199.63817046.7-0.24.1283.292023178816016836.7545194-0.0054901861ERROR:#NUM!
Single airgapSingle airgap[mW/cm3]in center legin center
legPsp,cuof the coreof the
core736.030212756PhillipsCalculatedCalculatedFerroxcubeFerroxcubeCalculatedCalculated623.3585217746
designationw/bobbinw/bobbinw/bobbinw/bobbinNo bobbinNo
bobbin472.6506853804Potcore FormulasCore
#LwAwLwAwLwAw361.8862010917P7/416.330.7214.602.1513.823.92236.1199198853Effective
lm, Ac, Vc given on core spec
sheet.P9/520.412.0018.803.4117.906.48191.2737724607P11/724.023.7822.704.7721.519.46145.7815451588Mean
winding length lw = 0.5(d2 + d3) ; without coil
formerP14/830.148.0029.008.6527.6315.68107.9540320938P18/1137.8415.9636.7018.1035.3326.2890.3496999616lw
= 0.5(d2 + d3 + 1.6) ; with coil former having walls 0.8 mm
thickP22/1345.3726.2244.7027.1042.8639.1068.5918677456Winding
window area Aw = 0.5 h2 (d2 - d3); without coil
formerP26/1653.8538.0752.7039.3051.3453.3536.1672866906P30/1962.9656.4366.0058.1060.4574.75Aw
= 0.5 (h2 - 1.6)(d2 - d3 - 1.6); with coil former having walls 0.8
mm
thickP36/2274.8978.6574.3072.4072.38100.01P42/2986.19152.4186.00140.0083.68181.69P66/56131.72466.62130.00400.00129.21518.70Winding
volume = Awlw
Surface area = 2 (d1/2)2 + h1d1 = 0.5(d1)2 + h1d1
PQ_Cores
TransferDataFerroxcubeFerroxcubeThermallyLimitedFluxLimitedMaximumPhillipsw/bobbinw/bobbinInductanceDesiredInductanceCore
RatingCore #
designation[mm][mm][mm][mm][mm][mm][mm][mm][mm][mm2][mm3][mm][mm2][mm3][mm2][C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW/cm3][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]0ERROR:#N/ACore # Dim. A Dim. B Dim. C Dim. D
Dim. E Dim. FDim. GDim. HLmAcVcLwAwVwAsRqPt @
DTPspJrmsBacBpeakBacBpeakPsp,coreJrmsBacBpeakJrmsE_ratingAcuNmaxLmaxEtabAirgap
gNEta'b'Airgap
gCriteriaERROR:#N/APQ20/1621.316.210.318.08.814.04.012.037.661.92330.04423.51034.01667.879.9813.0241.74.9436.7436.71329.97330.00108.25.2329.97330.05.231.131.119.4919.204573202.96836276-0.20.42472.51222494052.827440.0167734068ERROR:#NUM!TestPQAirgapPQ20/2021.320.214.318.08.814.04.012.045.762.62850.044361584.01920.269.4936.1211.14.6416.6416.61329.97330.00108.24.9329.97330.04.851.621.2013.4827.576446194.13780824-0.10.62444.81195279784.520890.0167545869ERROR:#NUM!ERROR:#N/APQ26/2027.320.211.522.512.019.06.015.545.0121.05820.056.4311748.42705.749.31319.0174.34.2389.6389.68329.97330.00108.24.4329.97330.04.352.421.3410.4141.172560781.2332367-0.40.41264.8319889479.8348540.0208410802ERROR:#NUM!TRUE#
of
TurnsPQ26/2527.324.716.122.512.019.06.015.554.3120.06530.056.447.52679.03065.643.51494.5162.34.0380.1380.12329.97330.00108.24.2329.97330.04.183.541.4015.3260.073818619.86124646-0.20.61275.4325228428.7682010.020892937ERROR:#NUM!ERROR:#N/APQ32/2033.020.611.527.513.522.05.519.055.9169.09440.066.744.82988.23549.837.61730.5139.23.8360.3360.37329.97330.00108.23.8329.97330.03.834.301.5213.2473.082331693.34470194-0.40.4905.6163954616.6731480.0208366773ERROR:#NUM!JrmsBpeakPQ32/3033.030.321.327.513.522.05.519.074.7167.012500.066.7533535.14492.929.72190.3136.63.7357.9357.96329.97330.00108.23.8329.97330.03.794.981.5415.4984.492749673.85484233-0.30.5916.4167883647.7763110.0209809194ERROR:#NUM!ERROR:#N/AERROR:#N/APQ35/3536.134.725.032.014.426.06.023.586.1190.016300.075.4187.214107.45742.623.22799.592.13.0312.0311.99329.97330.00108.23.0311.96312.03.0515.231.9144.05258.547417002.50034585-0.12.0852.0145090302.1211660.0218353359ERROR:#NUM!
AcoreVc + VwSingle airgapSingle airgapERROR:#N/AERROR:#N/Ain
center legin center leg[mW/cm3]of the coreof the
corePsp,cu271.2137334657233.0679734274PQ Core
FormulasPhillipsCalculatedCalculatedFerroxcubeFerroxcubeCalculatedCalculated187.6281530396
designationw/bobbinw/bobbinw/bobbinw/bobbinNo bobbinNo
bobbin172.9834081769Core Dimensions:Core
#LwAwLwAwLwAw145.1112193011PQ20/1644.58833.064423.542.07647.38141.927592743Magnetic
parameters (lm, Ac,Vc) given on core specificaitons
sheets.PQ20/2044.58848.26443642.07665.7887.0429581355Winding
dimensions:PQ26/2056.67744.05556.43154.16560.375PQ26/2556.67764.52556.447.554.16584.525Mean
turn length lw = 0.5(D+E) ; no coil
formerPQ32/2066.88261.3866.744.864.3780.5lw = 0.5(D+E +1.6) ; with
coil former with walls 0.8 mm
thickPQ32/3066.882122.1466.75364.37149.1PQ35/3575.36187.272.848220Winding
window area Aw = 0.5C(D-E) ; no coil formerarea Aw = 0.5[C -
1.6](D-E-1.6) ) ; with coil former with walls 0.8 mm thick
Windng volume Vw = lwAw
Surface Area As:
Exposed core area:Top and bottom = 2AF ; cutouts ignored.Left
and right vertical = 2BFFront and back vertical = 2AB-2CDTotal
exposed core surface = 2AF+2BF +2AB-2CD
Exposed winding area:Vertical surface = 2CD/2 -2CF = CD - 2CF =
C(D - 2F)Top and bottom = 2(D/2)2 - 2FDTotal winding surface = CD -
2CF + 0.5D2 -2FD
Total surface area As = 2AF + 2BF + 2AB -2CD + + CD - 2CF +
0.5D2 - 2DF
RM_I_Cores
TransferDataFerroxcubeFerroxcubeThermallyLimitedFluxLimitedMaximumPhillipsbobbinbobbinInductanceDesiredInductanceCore
RatingCore #
designation[mm][mm][mm][mm][mm][mm][mm][mm][mm][mm2][mm3][mm][mm2][mm3][mm2][C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW/cm3][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]0ERROR:#N/ACore #Dim. ADim. BDim. CDim. D2Dim.
D3Dim. EDim. H1Dim. H2LmAcVcLwAwVwAsRqPt @
DTPspJrmsBacBpeakBacBpeakPsp,coreJrmsBacBpeakJrmsE_ratingAcuNmaxLmaxEtabAirgap
gNEta'b'Airgap
gCriteriaERROR:#N/ARM4/I9.8114.47.953.95.810.4723.313.832219.88.4166.3552.9241.2269.5552.07.5582.3582.32329.97330.00108.28.2329.97330.08.240.14177544280.75.342.40699888211506822.199291-0.10.211090.250329380824598395472.51580.0077589199ERROR:#NUM!TestRMIAirgapRM5/I12.314.96.810.24.9610.46.323.224.857424.99.8244.0735.2181.3358.4438.26.7537.3537.31329.97330.00108.27.3329.97330.07.270.26224658510.85.504.4523030556596769.6830358-0.10.26171.18768328457616525872.58520.0096673273ERROR:#NUM!TRUEERROR:#N/ARM6S/I14.717.98.212.46.48.812.4829.237109030.815462.01074.0124.1523.6337.35.8490.5490.52329.97330.00108.26.3329.97330.06.300.51897682310.97.298.81095208015873455.68435381-0.20.34136.36363636363421744241.28970.0125046813ERROR:#NUM!#
of
TurnsRM7/I17.220.37.2514.757.259.313.48.43044.113253521735.01460.391.3711.9345.65.9494.6494.66329.97330.00108.26.4329.97330.06.380.87754414650.910.3414.89854475087042431.70422305-0.10.43470.41847041852408625897.339560.014080464ERROR:#NUM!ERROR:#N/ARM8/I19.723.211178.559.516.410.838.463244042311302.01848.872.1901.3240.94.9436.1436.19329.97330.00108.25.2329.97330.05.221.51507543121.112.5025.72226047115951022.64321327-0.20.52429.29292929291180171889.998730.0162437644ERROR:#NUM!JrmsBpeakRM10/I24.728.513.521.210.910.918.612.444.696.6431052.342.72233.22702.449.31317.4201.34.5409.7409.79329.97330.00108.24.7329.97330.04.722.89371357191.215.5749.12815077964841006.12410123-0.20.61584.3214756258501923300.9348520.0197867338ERROR:#NUM!ERROR:#N/AERROR:#N/ARM12/I29.837.416.12512.812.925.516.856.6146834061754575.04295.331.02093.9162.14.0380.0380.00329.97330.00108.24.2329.97330.04.186.79349126811.424.18115.33679994564992556.83786125-0.20.91048.2565379826219691434.9892270.0210003432ERROR:#NUM!RM14/I34.742.21929151730.120.87019813900711117881.05845.622.82849.8130.83.6352.6352.63329.97330.00108.23.7329.97330.03.6912.05371920791.631.64204.64255358744820502.34835605-0.21.3772.9568411387119422309.7491320.0215383883ERROR:#NUM!AcoreVc
+ VwERROR:#N/AERROR:#N/ASingle airgapSingle airgap[mW/cm3]in center
legin center legPsp,cuof the coreof the coreDimensions:RM/I Core
Formulas671.5333215732PhillipsCalculatedCalculatedFerroxcubeFerroxcubeCalculatedCalculated522.6927276279
designationBobbinBobbinbobbinbobbinno BobbinNo
bobbin392.5475285376Core
#LwAwLwAwLwAw403.0922666712RM4/I21.11656.61519.88.418.604514.175270.1757165537RM5/I26.2198.69524.99.823.70716.695220.9445873534RM6S/I32.02814.0830.81529.51624172.7985492514Core
parameters:RM7/I37.05220.06352134.5431.5135.0355413589RM8/I42.625531.51423140.113545.63RM10/I52.90946.9852.342.750.39763.86Mean
magnetic path length lm given in core spec
sheet.RM12/I61.85880.56617559.346102.48Core area Ac given in core
spec sheet.RM14/I71.592119.047111169.08145.6Core volume Vm given in
core spec sheet.
Winding parameters: Coil former assumed to have 0.8mm thick
walls
Mean turn length lw = 2(d2+d3)/4 = 1.57(d2+d3) no coil formerlw
= 2(d2+d3 +1.6)/4 = 1.57(d2+d3 + 1.6) with coil former
Winding window area Aw = 0.5(d2-d3)h2 no coil formerAw = (0.5d2
- 0.5d3 -0.8)(h2 - 1.6) with coil formerWinding volume Vw =
lwAw
Core area - top and bottom surfaces : 2{ a^2 - shaded areas}
shaded areas (top only) = 2{[a/2]^2- c^2/4} + 2{[a/2]^2 -
{0.7a-0.5b}^2}= a^2/2 - c^2/2 + a^2/2 -0.5[2a^2 - 2.83ab + b^2] =
1.414ab -0.5b^2 - 0.5c^2=1.5a^2+0.5b^2-0.5c^2-ab/1.414total top and
bottom surfaces = total top and bottom surfaces = 2[1.414ab -0.5b^2
- 0.5c^2]= 2.83ab - b^2 - c^2
Vertical core surfaces: top viewside view
vertical surface area = 4(.707b-.5a)h1+ 2(1.414a-b)h1
+4(0.5(a-d2)h2 +4e (h1 - h2)= 0.83h1(a+b) + 2h2(a-d2)
+4e(h1-h2)
Exposed core surface area = 2.83ab - b2 - c2 + 0.83h1(a+b) +
2h2(a-d2) +4e(h1-h2)
Exposed winding surface area:
vertical exposed winding surface = 0.5d2h2
top and bottom exposed surfaces =2[ 0.5[d2/2]^2 - 0.5c^2] =
0.25[d2]^2 - c^2Total exposed winding surface = 1.57d2h2 +
0.79[d2]^2 - c^2
As = 2.83ab - b^2 - c^2 + 0.83h1(a+b) + 2h2(a-d2) +4e(h1-h2) +
1.57d2h2 + 0.79[d2]^2 - c^2As = 2.83ab - b^2 - 2c^2 + + 0.83h1(a+b)
+ 2h2(a-d2) +4e(h1-h2) + 1.57d2h2 + 0.79[d2]^2
side view
U_CORES
TransferDatacalculatedcalculatedThermallyLimitedFluxLimitedMaximumw/bobbinw/bobbinInductanceDesiredInductanceCore
RatingCore #Phillips
designation[mm][mm][mm][mm][mm][mm][mm2][mm3][mm][mm2][mm3][mm2][C/W][mW][mw/cm3][A/mm2][mT][mT][mT][mT][mW][A/mm2][mT][mT][A/mm2][milliJoules][mm2]max.
# turns[H][mm][mm]0.0ERROR:#N/ACore #Dim. ADim. BDim. CDim. DDim.
ELmAcVcLwAwVwAsRqPt @
DTPspJrmsBacBpeakBacBpeakPcoreJrmsBacBpeakJrms
E_ratingAcuNmaxLmaxEtabAirgap gNEta'b'Airgap
gCriteriaERROR:#N/AU/10/8/3108.22.954.3538.48.4323.030.026.8803.2824161.8402356.76.0500.1500.1330.0330.0108.26.5330.0330.06.490.220.9013.433.6848023221.6111548-0.05465558530.621833555718219.69696969766390564504.03850.0114021829ERROR:#NUM!TestUAirgapU/15/11/615.411.456.256.45.45232.31680.044.347.52105.9178274.8869229.54.8428.9428.9330.0330.0108.25.1330.0330.05.081.161.1518.6519.6817350353.7488984-0.16047051580.80921298864738.24936673234489881986.251860.0217929428ERROR:#NUM!FALSEERROR:#N/AU20/16/720.815.67.58.36.46856.03800.054.478.84285.4299144.61458180.44.3394.3394.4330.0330.0108.24.4330.0330.04.442.911.3127.0149.4114520733.0426553-0.1892255451.19127219052732.95454545461493567179.798920.0272744825ERROR:#NUM!#
of
TurnsU25/16/625.415.96.49.512.783.640.33380.070.2198.913970.3456429.22225128.23.6350.1350.2330.0330.0108.23.7330.0330.03.654.351.6056.0373.7742146376.4414768-0.04982327673.47825958513797.65395894432884023522.804150.024399245ERROR:#NUM!ERROR:#N/AU25/20/1324.819.612.711.48.488.2104.09180.073.0153.911241.7518625.72528123.83.5345.9345.9330.0330.0108.23.6330.0330.03.588.501.6342.48144.3412335099.8011048-0.2155633961.94741988691471.5909090909432947691.5130320.0344674671ERROR:#NUM!JrmsBpeakU/30/25/1631.325.31614.910.5111161.017900.090.6264.123935.4838115.9408697.73.1318.4318.5330.0330.0108.23.1318.4318.53.1419.141.8664.01324.9312473707.6293099-0.20170357423.2450098706985.0178134715193915224.7232490.0364289122ERROR:#NUM!ERROR:#N/AERROR:#N/AU/33/22/933.322.29.412.714.311086.59490.087.6311.227251.0767117.43740101.83.2323.1323.1330.0330.0108.23.2323.1323.13.2112.551.8277.01213.0727581020.6492751-0.07730100424.77040008191807.1350841169652895125.7229290.0329376522ERROR:#NUM!U/67/27/1467.32714.312.738.8173204.035200.0183.8884.5162567.7247705.41207561.12.5270.4270.4330.0330.0108.22.2270.4270.42.4854.532.35169.52925.7030874195.4646298-0.0457238348ERROR:#NUM!915.6125731084167501015.0577010.0381472601ERROR:#NUM!AcoreVc
+
VwU/93/76/169376164836.2354448.0159000.0207.33308.8686006.9619612.23020635.71.9224.4224.4330.0330.0108.21.6224.4224.41.90284.403.07485.204828.4648599850.32974830.0234787459ERROR:#NUM!502.438282883750332064.1588390.0257268233ERROR:#NUM!ERROR:#N/AERROR:#N/AU/93/52/309352302436.2258840.0217000.0235.31619.2381043.1505552.62464641.22.0235.8235.8330.0330.0108.21.7235.8235.82.04294.432.86254.944998.6212941476.1905295-0.12850456436.5330514428255.009747435812945053.2143668-0.128436780636.5778105008U/93/76/309376304836.2354840.0297000.0235.33308.8778653.3698351.93404431.61.8215.0215.1330.0330.0108.21.4215.0215.11.79480.933.26456.558165.0825444659.2616512-0.0079650103ERROR:#NUM!279.576341334215548969.3467229-0.0873680772ERROR:#NUM!U/100/48/25101.647.525.422.150.8270645.0174000.0266.02101.6558956.1577852.32817038.42.0230.1230.1330.0330.0108.21.6230.1230.11.97276.562.96319.544695.3721663673.3980337-0.0449403912ERROR:#NUM!340.276631340323074580.6888616-0.0359801024ERROR:#NUM!U/100/57/25101.657.125.431.750.8308645.0199000.0266.03057.7813267.9668562.03259232.21.8216.3216.3330.0330.0108.21.5216.3216.31.80346.273.23425.545878.7630708513.0052987-0.001778603ERROR:#NUM!361.930777326326104031.6064991-0.0200135202ERROR:#NUM!
Each U-coreEach U-coreleg has gapleg has gap[mW/cm3]of 0.5g of
0.5g Psp,cu417.3252700054U core
dimensions255.9441832585195.0671734392131.9268477396126.637252098494.245777060699.655145585750.0292018305Mean
core length lc = 4D + 2E + 2{(A-E)/8 + (B-D)/4} = 4D + 2E +
0.25[(A-E)
+2(B-D)]24.304813486829.443517559820.625929058526.800343509821.1083244203coil
formercoil formerFerroxcubeFerrooxcubePhillips
designationcalculatedcalculatedbobbinbobbinNo bobbinNo bobbinCore
#lwAwLwAwLwAwU/10/8/330.026.82927.425.10943.5U/15/11/644.347.5248.737.339.45669.12U20/16/754.478.8449.496106.24U25/16/670.2198.965.378241.3U25/20/1373.0153.9268.176191.52U/30/25/1690.6264.185.77312.9U/33/22/987.6311.2282.702363.22U/67/27/14183.8884.52178.932985.52U/93/76/16207.33308.8202.4683475.2U/93/52/30235.31619.2230.4681737.6Core
Area Ac =
0.5C(A-E)U/93/76/30235.33308.8230.4683475.2U/100/48/25266.02101.56261.1122245.36Core
Volume Vc = 2BAC- 2DEC lc
AcU/100/57/25266.03057.72261.1123220.72Mean turn length lwTwo
section windingSingle section windinglw = 2(C+2mm) + 2{0.5(A-E)
+2mm} + 2{0.25(E-3mm)} = 2C +(A-E) + 8mm + 0.5(E-3mm)With coil
former:lw = 2 [(E-1mm)/2] + 2 {0.5(A-E) + 2mm} + 2(C+2mm) = (E-1mm)
+ (A-E) +2C + 8mmWithout coil former: lw = E +A-E+2C
Winding Area AwWith coil former:Without coil former:Single
section Aw = (E-1mm)(2D-2mm)Aw = 2DETwo section Aw
=(2D-2mm)(E-3mm)
Winding volume Vw lwAwSurface area As - single section
winding
Exposed surface area of core As,cExposed core surface bottom and
top = 2BC + 2(B-D)C = 4BC - 2DCExposed core surface left and right
= 2ACExposed core surface front and back= 4AB 4DE-2D(A-E)/2*2 = 4AB
4DE 2AD + 2DE = 4AB 2DE 2AD
Summing three terms togetherAs,c = 4BC 2DC+2AC+4AB-2DE-2AD =
4AB+2AC-2AD-2DE+4BC-2CD
Exposed surface area of winding As,wTop and bottom =
(2)(4)(0.25)(E)^2 + (4)(0.5)(A-E)E + 2CE = E^2(6.3-2) + 2AE + 2CE =
2.3E^2 + 2AE +2CE
Vertical surface = 2E(2D) +2(2D)(0.5)(A-E) + C(2D) = 4DE +
2AD-2DE+2CD = 10.6DE + 2AD +2CD
As,w = 2.3E^2 +2AE+2CE+ 10.6DE +2AD +2CDAs = As,c + As,w =
4AB+2AC-2AD-2DE+4BC-2CD+ 2.3E2 +2AE+2CE+ 10.6DE +2AD +2CD
As = 4AB + 2AC + 8.6DE + 4BC +2.3E2 + 2AE + 2CE