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• The lower height profile produces a flat surface for improved perform-ance in pick-and-place operations and an alternate solution for heightcritical application.
• Mounting pad and electrical specification are identical to the popular429 Series specifications.
ELECTRICAL CHARACTERISTICS:% of Ampere Opening
Rating Time at 25°C100% 4 hours, Minimum200% 5 seconds, Maximum300% 0.2 seconds, Maximum
AGENCY APPROVALS: Recognized under the Components Programof Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATINGS:0.125 – .375A 50 A @ 125 V AC/DC0.5 – 2A 50 A @ 63 V AC/DC2.5 – 3A 50 A @ 32 V AC/DC4 – 5A 50 A @ 24 V AC/DCENVIRONMENTAL SPECIFICATIONS:Operating Temperature: –55°C to 90°C. Consult temperaturererating chart on page 4. For operation above 90°C contact Littelfuse.Vibration: Per MIL-STD-202F.Insulation Resistance (After Opening): Greater than 10,000 ohms.Resistance to Soldering Heat: Withstands 60 seconds above200°C up to 260°C, maximum.Shelf Life (Solderability): 1 year min.Thermal Shock: Withstands 5 cycles of –55° to 125°C.PHYSICAL SPECIFICATIONS:Materials: Body: Epoxy Substrate
1 Measured at 10% of rated current, 25°C. 2 Measured at rated voltage.
7A
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0.01
0.1
0.1
1
1
10
100
10 1000.001
Average Time Current Curves
REFLOW SOLDER
RECOMMENDED PAD LAYOUTS
3.81(.150")
1.52(.060")
2.03(.080")
.635(.025")
1.14(.045")
2.49 (.098")REF.
1.52(.060")
3.18(.125")
1.14(.045")
1.12(.044")REF.
® ®
For Low-Current Designs Use 433 or 466 Series.
RoHS Pb
PATENTED
• RoHS compliant and Lead-Free 7A device available-add ‘L’ suffixto catalog number
• For new designs up to 5A please consult the 433 or 466 Series
ELECTRICAL CHARACTERISTICS:% of Ampere Opening
Rating Time at 25°C100% 4 hours, Minimum200% 5 seconds, Maximum300% 0.2 seconds, Maximum
AGENCY APPROVALS: Recognized under the Components Programof Underwriters Laboratories and Certified by CSA.AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.INTERRUPTING RATINGS:7A 35 amperes at rated voltage, VAC/VDCENVIRONMENTAL SPECIFICATIONS:Operating Temperature: –55°C to 90°C. Consult temperature reratingchart on page 4. For operation above 90°C contact Littelfuse.Vibration: Withstands 10–55 Hz per MIL-STD-202F,Method 201A and 10-2000 Hz at 20 G’s per MIL-STD-202F, Method 204D,Condition D.Insulation Resistance (After Opening): Greater than 10 KOhm.Resistance to Soldering Heat: Withstands 60 seconds above 200°Cup to 260°C, maximum.Thermal Shock: Withstands 5 cycles of –55° to 125°C.PHYSICAL SPECIFICATIONS:Materials: Body: Epoxy Substrate
Soldering Parameters:Reflow Solder — 260°C, 30 seconds maximum
PACKAGING SPECIFICATIONS: 8mm Tape and Reel per EIA-RS481-1 (IEC 286, part 3); 3,000 per reel, add packaging suffix, WRM.Options: For RoHS Compliant and lead-free devices add the letter ‘L’ toend of packaging suffix. Example: 0429007.WRML (RoHS Compliant 7A,3,000 per reel).
1Measured at 10% of rated current, 25°C.2Measured at rated voltage.
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CURRENT IN AMPERES
0.01
0.1
0.1
1
1
10
100
10 1000.001
.5A
1A 1.5A
2A 3A
Average Time Current Curves
• For RoHS compliant and Lead-Free designs use 468 series
• Time delay feature withstands high in-rush currents and prevents
nuisance openings.• Package is visually distinct from fast-acting version for easy identification.
• Top side marking allows visual verification of amperage rating.
3.18 (.125")2.03 (.080")
REF.
1.52(.060")
1.52 (.060")3.81 (.150")
1.14(.045")
.635 (.025")
2.03(.080")
1.14 (.045")
REFLOW SOLDER
R .318(.013") REF.
Reference Dimensions:
® ®
369
Surface Mount Fuses
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Surface Mount Fuses
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Lead-Free Thin-Film
SlimLine™ Lead-Free 0603 Very Fast-Acting Fuse 467 Series ®®
• RoHS compliant and Lead-Free.• Product is compatible with lead-free solders and higher
temperature profiles.• High performance materials provide improved performance in elevated
ambient temperature applications.• Product is marked on top surface with code to allow amperage rating
identification without testing.• Low profile for height sensitive applications.• Flat top surface for pick-and-place operations.• Element covering material is resistant to industry standard
cleaning operations.• Mounting pad and electrical performance is identical to Littelfuse 431
and 434 Series products.• Alloy based element construction provides superior inrush withstand
characteristics (I2t) over ceramic or glass based 0603 fuse products.
ELECTRICAL CHARACTERISTICS:
1.09(.043")
REFLOW SOLDER
1.60(.063")
.305(.012")
.279(.011")
.18(.007")
.127(.005")
MARKING CODE VARIES WITH AMPERAGE RATING(SEE CHART)
R REF.
1.02(.040")
.762(.030")
2.54(.100")
1.09(.043")
WAVE SOLDER
3.20(.126")
1.09(.043")
1.02(.040")
.813(.032")
Sn
SnCu
Sn
Coating
Reference Dimensions:
% of Ampere OpeningRating Time at 25°C100% 4 hours, Minimum200% 5 seconds, Maximum300% 0.2 seconds, Maximum
Soldering Parameters(see page 3 for typical soldering profile):Wave Solder — 260°C, 10 seconds maxReflow Solder — 260°C, 30 seconds max
NEW
AGENCY APPROVALS: Recognized under the Components Programof Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862
INTERRUPTING RATINGS:0.25 – 1A 50A at 32V AC/DC1.25 – 5A 35A at 32V AC/DC
PHYSICAL SPECIFICATIONS:
Materials: Body: Advanced High Temperature SubstrateTerminations: 100% Copper/Nickel/TinElement Cover Coat: Conformal Coating
PbRoHS
371
Surface Mount Fuses
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Lead-Free Thin-Film
SlimLine™ Lead-Free 0603 Very Fast-Acting Fuse 467 Series
Average Time Current CurvesENVIRONMENTAL SPECIFICATIONS:Operating Temperature: -550C - + 900C* For operation above 90°C contact Littelfuse
Vibration: Per MIL-STD-202F
Insulation Resistance (After Opening):Greater than 10,000 ohms.
Resistance to Soldering Heat: Withstands 60 seconds above2000C up to 2600C, maximum
Thermal Shock: Withstands 5 cycles of -550 to 1250C
PACKAGING SPECIFICATIONS:8mm Tape and Reel per EIA-RS481-2 (IEC 286, part 3); 5,000 per reel,add package suffix, NR.
• The lower height profile produces a flat surface for improvedperformance in pick-and-place operations and an alternate solution forheight critical applications.
ELECTRICAL CHARACTERISTICS:% of Ampere Opening
Rating Time at 25°C
100% 4 hours, Minimum
200% 5 seconds, Maximum
300% 0.2 seconds, Maximum
AGENCY APPROVALS: Recognized under the ComponentsProgram of Underwriters Laboratories and Certified by CSA.AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.INTERRUPTING RATINGS:.25–1A 50 A @ 32 V AC/DC1.25–5A 35 A @ 32 V AC/DCENVIRONMENTAL SPECIFICATIONS:Operating Temperature: –55°C to 90°C. Consult temperature rerating chart on page 4. For operation above 90°C contact Littelfuse.Vibration: Per MIL-STD-202F.Insulation Resistance (After Opening): Greater than 10,000 ohms.Resistance To Soldering Heat: Withstands 60 seconds above200°C up to 260°C, maximum.Thermal Shock: Withstands 5 cycles of –55°C to 125°C.PHYSICAL SPECIFICATIONS:Materials: Body: Epoxy Substrate
0434.250 .25 D 32 0.375 0.00300434.375 .375 E 32 0.265 0.00530434.500 .5 F 32 0.193 0.00870434.680 .68 X 32 0.125 0.01090434.750 .75 G 32 0.114 0.01710434 001. 1 H 32 0.072 0.02100434 1.25 1.25 J 32 0.054 0.03200434 01.5 1.5 K 32 0.048 0.05260434 1.75 1.75 L 32 0.039 0.06610434 002. 2 N 32 0.036 0.1040434 02.5 2.5 O 32 0.028 0.1750434 003. 3 P 32 0.023 0.1980434 03.5 3.5 R 32 0.019 0.2650434 004. 4 S 32 0.017 0.3520434 005. 5 T 32 0.013 1.297
1 Measured at 10% of rated current, 25°C.2 Measured at rated voltage.
1.09(.043")
REFLOW SOLDER
1.60(.063")
.127(.005")
MARKING CODE VARIES WITH AMPERAGE RATING(SEE CHART)
1.02(.040")
.762(.030")
2.54(.100")
1.09(.043")
WAVE SOLDER
3.20(.126")
1.09(.043")
1.02(.040")
.813(.032")
.305(.012")
.279(.011")
.254 (.010")
Sn/Pb
Sn/PbCu Sn/Pb
Coating
Reference Dimensions:
Thin-Film Surface Mount
373
Surface Mount Fuses
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Thin-Film Surface Mount
SlimLine™ Lead-Free 0402 Very Fast-Acting Fuse 435 Series
• RoHS compliant and Lead-Free
• The SlimLine 0402 fuse is the world’s smallest fuse available.
• Ideal for space sensitive applications including disc drives and handheld devices including mobile phones, cameras and personalcommunication devices.
• The low profile flat surface and full-faced termination are designed forsuperior performance in surface mount assembly processes.
ELECTRICAL CHARACTERISTICS:% of Ampere Opening
Rating Time at 25°C
100% 4 hours, Minimum
200% 5 seconds, Maximum
300% 0.2 seconds, Maximum
AGENCY APPROVALS: Recognized under the Components Programof Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATINGS: 35A @ 32 VDC
ENVIRONMENTAL SPECIFICATIONS:Operating Temperature: –55°C to 90°C. Consult temperature rerating chart on page 4. For operation above 90°C contact Littelfuse.Vibration: Per MIL-STD-202F.Insulation Resistance (After Opening): Greater than 10,000 ohms.Resistance To Soldering Heat: Withstands 60 seconds above 200°Cup to 260°C, maximum.Thermal Shock: Withstands 5 cycles of –55°C to 125°C.
1 Measured at 10% of rated current, 25°C.2 Measured at rated voltage.
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0.1
1
1
10
100
10 1000.001
2A1.5A
1.25
A1A.5
A
.25A
.375
A
.75A
1.75
A.558
(.022")
REFLOW SOLDER
1.04(.041")
.30(.012")
.18(.007")
Cu
Sn
.51(.020")
.381(.015")
.584(.023")
Marking Codes:
.250
.375
.5
.750
1.0
1.25
1.5
1.75
2.0
Reference Dimensions:
Average Time Current Curves
®®PbRoHS
10
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Surface Mount Fuses
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Subminiature Surface Mount
NANO2® FUSE Very Fast-Acting 451/453 Series
The Nano2 SMF Fuse is a very small, square surface mount fuse that isalso available in a surface mount holder.• 451 Series RoHS Compliant version now available, use ordering suffix
‘L’ (see example on data sheet).ELECTRICAL CHARACTERISTICS:
% of Ampere Ampere OpeningRating Rating Time
100% 1/16–15 4 hours, Minimum
200%1/16–10 5 seconds, Maximum12–15 20 seconds, Maximum
AGENCY APPROVALS: Recognized under the Components Programof Underwriters Laboratories and Certified by CSA. Approved by METIfrom 1 through 5 amperes.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.INTERRUPTING RATINGS:1/16 – 8A 50 amperes at 125 VAC/VDC
300 amperes at 32 VDC10A 35 amperes at 125 VAC/50 amperes at 125 VDC
300 amperes at 32 VDC12A – 15A 50 amperes at 65 VAC/VDC
300 amperes at 24 VDC
ENVIRONMENTAL SPECIFICATIONS:Operating Temperature: –55°C to 125°C.Shock: MIL-STD-202, Method 213, Test Condition I(100 G’s peak for 6 milliseconds).Vibration: MIL-STD-202, Method 201 (10–55 Hz).Salt Spray: MIL-STD-202, Method 101, Test Condition B.Insulation Resistance (After Opening): MIL-STD-202, Method302, Test Condition A, (10,000 ohms minimum).Resistance to Soldering Heat: MIL-STD-202, Method 210, Test Condition B (10 sec. at 260°C).Thermal Shock: MIL-STD-202, Method 107, Test Condition B (–65 to 125°C).Moisture Resistance: MIL-STD-202, Method 106, High Humidity (90-98 RH), Heat (65°C).
F
7 A
6.86(.270")
3.15(.124")
2.95(.116")1.96
(.077")
2.69(.106")
2.69(.106")
1.45(.057")
6.10(.240")
Recommended pad layout
Tin-Lead Silver Nominal NominalPlated Plated Ampere Voltage Resistance Melting I2t
Solderability: MIL-STD-202, Method 208.PACKAGING SPECIFICATIONS: 12mm Tape and Reel per EIA-RS481-1 (IEC 286, part3); 1,000 pieces per reel, add packaging suffix, MR; 5,000 per reel, add packaging suffix NR.Options: For RoHS Compliant 451 series add the letter ‘L’ to end of packagingsuffix. Example: R451001.MRL (RoHS Compliant 1A, 1,000 per reel).
PATENTED
375
Surface Mount Fuses
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Subminiature Surface Mount
NANO2®Slo-Blo® Fuse 452/454 Series
Tin-Lead Silver Nominal NominalPlated Plated Ampere Voltage Resistance Melting I2t
The NANO2 Slo-Blo fuse has enhanced inrush withstand characteristicsover the NANO2 Fast-Acting fuse. The unique time delay feature of thisfuse design helps solve the problem of nuisance “opening” by accommo-dating inrush currents that normally cause a fast-acting fuse to open.• 452 Series RoHS Compliant version now available, use ordering suffix
‘L’ (see example on data sheet).ELECTRICAL CHARACTERISTICS:
AGENCY APPROVALS: Recognized under the Components Programof Underwriters Laboratories and Certified by CSA.AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.INTERRUPTING RATINGS:50 amperes at 125 VAC/VDCENVIRONMENTAL SPECIFICATIONS:Operating Temperature: –55°C to 125°C.Shock: MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds).Vibration: MIL-STD-202, Method 201 (10–55 Hz, .06 in. total excursion).Salt Spray: MIL-STD-202, Method 101, Test Condition B (48 hrs.).Insulation Resistance (After Opening): MIL-STD-202, Method 302, Test Condition A, (10,000 ohms minimum).Resistance to Soldering Heat: MIL-STD-202, Method 210, (3 sec. at 260°C).Thermal Shock: MIL-STD-202, Method 107, Test Condition B (–65 to 125°C).Moisture Resistance: MIL-STD-202, Method 106, High Humidity (90-98 RH), Heat (65°C).PHYSICAL SPECIFICATIONS:Materials: Body: Ceramic
Terminations: Tin-Lead AlloyRoHS Compliant Terminations: Gold over Nickel Plated Caps(452)
Solderability: MIL-STD-202, Method 208.PACKAGING SPECIFICATIONS: 12mm Tape and Reel per EIA-RS481-1 (IEC 286, part3); 1,000 pieces per reel, add packaging suffix, MR; 5,000 per reel, add packaging suffix NR.Options: For RoHS Compliant 452 series add the letter ‘L’ to end of pack-aging suffix. Example: 0452001.MRL (RoHS Compliant 1A, 1,000 per reel).PATENTEDORDERING INFORMATION:
1000
100
10
1
0.1
0.0110001001010.1
3/8A
1/2A
3/4A
1A 1 1/
2A2A 2
1/2A
3A 3 1/
2A4A 5A
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Refer to pg. 271 for SMF Omni-Blok® Holder, Series 154 000T.
® ®
Average Time Current Curves
1 AT
6.86(.270")
3.15(.124")
2.95(.116")1.96
(.077")
2.69(.106")
2.69(.106")
1.45(.057")
6.10(.240")
Recommended pad layout
F
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Surface Mount Fuses
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Subminiature Surface Mount
NANO2® UMF Fast-Acting Fuse 455 Series
• The Nano2 UMF Fuse is a very small, square surface mount fuse design.• Designed to International (IEC) Standards for use globally.• Meets IEC 60127-4 UMF specifications for Fast-Acting Fuses• RoHS Compliant version now available, use ordering suffix ‘L’
1 453 Series Fuse has silver plated end caps, installed to accommodate solder reflow process.Use either 451 or 453 Series for replacement purposes, page 371.
2 454 Series Fuse has silver plated end caps, installed to accommodate solder reflow process.Use either 452 or 454 Series for replacement purposes, page 372.
The RoHS Compliant SMF Omni-Blok® Fuseholder permits quick andeasy replacement of Nano2® SMF surface mount fuses. The fuse blockand pre-installed fuse combination can be placed on the PC board inone efficient manufacturing operation. Fuse replacement is accomplishedwithout exposing the PC board to the detrimental effects of solder heat.Refer to notes 1 and 2, below, for fuse/fuseholder combinations avail-able.
AGENCY APPROVALS: Recognized under the Components Programof Underwriters Laboratories and Certified by CSA.
SPECIFICATIONS:Electrical: 8 Amperes, 125 Volts.Molded Parts: Thermoplastic (94V0).Terminals: Tin Plated Beryllium Copper.Ambient Temperature: –55°C to +125°C.Shock: MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds).Vibration: MIL-STD-202, Method 201 (10–55 Hz).Thermal Shock: MIL-STD-202, Method 107, Condition A (200 cycles: 30 minutes at –55°C, 30 minutes at 125°C).Soldering Parameters (Fuse Installed):
Solderability: MIL-STD-202, Method 208.Packaging: 16mm Tape and Reel for use with automatic pick andplace equipment per EIA Standard 481; 1,500 per reel, add suffix DR.
*For information and availability of additional ratings please contact Littelfuse
• The Surface Mount Nano2 250V UMF product family complies with IECPublication IEC 60127-4-Universal Modular Fuse-Links [UMF]. This IEC standard has been accepted by UL/CSA making it the first global fuse standard.
• The Nano2 250V UMF fuse family is based on the proven NANO2
Fuse product technology.• Product is RoHS Compliant and compatible with lead-free solders and
higher temperature profiles.
ELECTRICAL CHARACTERISTICS:% of Ampere Opening
Rating Time
125% 1 hour, Minimum
200% 2 minutes, Maximum
1000% 0.001 sec, Min; 0.01 sec Max
AGENCY APPROVALS: Listed to IEC 60127-4, Universal Modular Fuse-Links (UMF), 250V. UL Listed. Approved by METI and CCC. K and VDE
AGENCY FILE NUMBERS: UL E184655. METI NBK30502-E184655a,b.
INTERRUPTING RATINGS: 100 amperes at 250VAC
ENVIRONMENTAL SPECIFICATIONS:Operating Temperature: –55°C to 125°C.
*For information and availability of additional ratings please contact Littelfuse
Subminiature Surface Mount
NANO2® 250V UMF FUSE Time Lag 465 Series
Reference Dimensions:
REFLOW SOLDER
F
2.8(.11")
12.1(.475")
4.5 (.177")
6.7(.264")
6.8(.264")
WAVE SOLDER3.5
(.14")
AC250VT500mAL
6.9(.27")
5.6 (.22")
5.6(.22")
4.5(.177")
Height
END CAP
TOP VIEW
• The Surface Mount Nano2 250V UMF product family complies with IECPublication IEC 60127-4-Universal Modular Fuse-Links [UMF]. This IEC standard has been accepted by UL/CSA making it the first globalfuse standard.
• The Nano2 250V UMF fuse family is based on the proven NANO2 Fuseproduct technology.
• Product is RoHS Compliant and compatible with lead-free solders andhigher temperature profiles.
ELECTRICAL CHARACTERISTICS:% of Ampere Opening
Rating Time
125% 1 hour, Minimum
200% 2 minutes, Maximum
1000% 0.01 sec, Min; 0.1 sec Max
AGENCY APPROVALS: Listed to IEC 60127-4, Universal Modular Fuse-Links (UMF), 250V. UL Listed. Approved by METI and CCC. K and VDE .
AGENCY FILE NUMBERS: UL E184655. METI NBK30502-E184655a,b.
INTERRUPTING RATINGS: 100 amperes at 250VAC
ENVIRONMENTAL SPECIFICATIONS:Operating Temperature: –55°C to 125°C.
PACKAGING SPECIFICATIONS: 24mm Tape and Reel per EIA-RS481-1 (IEC 286, part 3); 1,500 per reel, add packaging suffix, DR.
PATENTEDORDERING INFORMATION:
100
100
10
1
0.1
0.01
0.0011 10 10000.1
1 A
1.25
A1.
6 A
2 A
2.5
A3.
15 A
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4 A
5 A
6.3
A
Average Time Current Curves
RoHS
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Surface Mount Fuses
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TeleLink® Fuse 461 Series ® ®
LF 1.25A T3.12
(.123")
3.12(.123")
10.10(.397")
3.25(.128")
3.43(.135")
12.6(.496")
6.10(.240")
Recommended Pad Layout1.70 typ(.067")
• Surface mount surge resistant Slo-Blo® fuse.• Meets UL 60950 3rd Edition power cross requirements stand
alone.• Designed to allow compliance with Telcordia GR-1089-CORE
and TIA-968-A (formerly FCC Part 68) Surge Specifications.• Provides coordinated protection with Littelfuse SIDACtor®
Protection Thyristors without series resistors.• Ideal for use in telecommunication equipment including line
cards, modems, fax machines, phones, answering machines,caller ID devices and other products connected to phone network.
• 2A rating has improved temperature rise performance under2.2A surge current testing when compared with 1.25A rating.
• Product is RoHS Compliant and compatible with lead-freesolders and higher temperature profiles when ordered withStandard Silver Plated Brass Caps.
• Standard product is RoHS Compliant and compatible withlead-free solders and higher temperature profiles.
Telecom TeccorNano2 TeleLink Nominal Nominal
Catalog Catalog Ampere Voltage Resistance Melting I2tNumber Number Rating Rating Cold Ohms A2 Sec.0461.500 F0500T 0.5 600 .560 .8401
0461 1.25 F1250T 1.25 600 .110 16.51
0461 002. F1251T 2.00 600 .050 17.51
ORDERING INFORMATION:
Notes:1 I2t is calculated at 10 msec or less. I2t at 10 times rated current has a typical value of:
24 A2sec (2.0A), 22 A2sec (1.25A), 1.3 A2sec (0.5A).• Typical inductance < 40nH up to 500 MHz.• Resistance changes 0.5% for every ˚C.• Resistance is measured at 10% rated current.
AGENCY APPROVALS: Recognized under the ComponentsProgram of Underwriters Laboratories and Certified by CSA.
Littelfuse: UL E10480CSA LR29862
Teccor: UL E191008CSA LR702828
PHYSICAL SPECIFICATIONS:Materials: Body: Ceramic
RoHS Compliant Terminations: Silver Plated Brass Caps Terminations: Tin-Lead Alloy also available, add suffix, T.
If sufficient series resistance is used, then the 0.5 fuse may be used in test conditions 1-4.
GR 1089 Inter-building requirements
GR 1089 1st level lighting surge inter-building (Equipment under test can not be damaged & must continue to operate properly)
GR 1089 AC power fault 2nd level (fuse can open but mustopen in a safe and controlled manner)
Test Vrms Short Duration FuseCircuit (A)
1 120, 277 25 15 min. 0.5, 1.25, 2.02 600 60 5 sec. 0.5, 1.25, 2.03 600 7 5 sec. 0.5, 1.25, 2.04 100-600 2.2 15 min.. 0.5, 1.25, 2.05 Diagram Diagram 15 min. 0.5, 1.25, 2.0
Fuse must open before wiring simulator fuse (MDL 2.0).
ELECTRICAL CHARACTERISTICS:
% of AmpereRating OpeningTime
100% 4 hours, Min.
250% 1 Second, Min.; 120 Seconds, Max.
GR 1089 AC power fault 1st level inter-building (fuse not allowed to open)
Test Vrms Short Duration Primary FuseCircuit Protector ChoicesCurrent
(A)1 50 .33 15 min. removed 1.25, 2.02 100 .17 15 min removed 1.25, 2.03 200,400, 600 1 60 x 1 sec. removed 1.25, 2.04 1000 1 60 x 1 sec. operative 1.25, 2.05 Diagram Diagram 60 x 5 sec. removed 1.25, 2.06 600 0.5 30s removed 1.25, 2.07 440 2.2 5 x 2 sec. removed 1.25, 2.08 600 3 1.1 sec. removed 1.25, 2.09 1000 5 0.4 sec. in place 1.25, 2.0
GR 1089 2nd level lightning surge telecom port (Equipmentunder test shall not become a fire, fragmentation, or electri-cal safety hazard)
Surge Minimum Minimum Max Repetitions FusePeak Peak Rise/Min. Each Choices
Voltage Current Decay Polarity(V) (A) (µs)
1 5000 500 2/10 1 0.5, 1.25, 2.0alternative 5000 5000/8=625 8/20 1 0.5, 1.25, 2.0The 0.5 fuse will open during these test conditions. The 1.25 & 2.0 will not open thus providing
operational compliance.
RoHS
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Surface Mount Fuses
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Miniature Surface Mount
TeleLink® Fuse 461 Series ®
Test Voltage Current Waveform Repetitions Fuse(V) (A) Choices
ImpulseFor handheld units 2500 62.5 10 x 700µs + 10 w/60 sec. rest 0.5, 1.25, 2.0Non handheld 1500 37.5 10 x 700µs + 10 w/60 sec. rest 0.5, 1.25, 2.0Steady-StateFor handheld units 1500 60Hz 0.5, 1.25, 2.0Non handheld 1000 60Hz 0.5, 1.25, 2.0
Surge Voltage Waveform Current Waveform Reps Recommended(V) (µs) (A) (µs) Fuse
Metallic A 800 10 x 560 100 10 x 560 1 ea. polarity 1.25Longitudinal A 1500 10 x 160 200 10 x 160 1 ea. polarity 1.25Metallic B 1000 9 x 720 25 5 x 320 1 ea. polarity 1.25Longitudinal B 1500 9 x 720 37.5 5 x 320 1 ea. polarity 1.25
For the type A events the 0.5 fuse will open, providing non-operational compliance. The 1.25 & 2.0 will not open, providingfor operational compliance with TIA-968-A type A surge events.
TIA –968-A (formerly FCC Part 68) Surge Waveforms(fuse can not open during type B events)
UL60950 (EN 60950) (formerly UL 1950) PowerCross (L = longitudinal, M = metallic)
Test Voltage Current Time FuseNumber (V) (A) Choices
L1 600 40 1.5 sec. 0.5, 1.25, 2.0L2 600 7 5 sec. 0.5, 1.25, 2.0L3 600 2.2 30 min. 0.5, 1.25, 2.0L4 200 2.2 30 min. 0.5, 1.25, 2.0L5 120 25 30 min. 0.5, 1.25, 2.0M1 600 40 1.5 sec. 0.5, 1.25, 2.0M2 600 7 5 sec. 0.5, 1.25, 2.0M3 600 2.2 30 min. 0.5, 1.25, 2.0M4 600 2.2 30 min. 0.5, 1.25, 2.0
Selection of test number depends on current limiting & fire enclosure/spacing ofend product
• 26 AWG line cord removes L1/M1 test requirement• L5 conducted only if product does not pass section 6.1.2 • L2,M2,L3,M3,L4,M4 conducted if not in a fire enclosure
Fuse must open before the wiring simulator fuse (MDL 2.0).
UL 60950 requirements
UL60950 (EN 60950) (formerly UL 1950) Impulse Test & Steady-state electric strength test
®RoHS
383
Surface Mount Fuses
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Subminiature Surface Mount
PICO® SMF 459 and 460 Series Fuses
ENVIRONMENTAL SPECIFICATIONS:Operating Temperature: –55°C to 125°C.Shock: MIL-STD-202, Method 213, Test Condition I (100 G’s peak for 6 milliseconds).Vibration: MIL-STD-202, Method 201 (10–55 Hz, .06 in. total excursion).Salt Spray: MIL-STD-202, Method 101, Test Condition B (48 hrs.).Insulation Resistance (After Opening): MIL-STD-202, Method302, (10,000 ohms minimum at 100 volts).Thermal Shock: MIL-STD-202, Method 107, Test Condition B (–65 to 125°C).Moisture Resistance: MIL-STD-202, Method 106, High Humidity (90-98 RH), Heat (65°).PHYSICAL SPECIFICATIONS:Materials: Body: Molded Thermoplastic
Terminations: 100% Tin Plated Copper(459 Series)Tin-Lead Plated Copper(460 Series)
Solderability: MIL-STD-202, Method 208.
PACKAGING SPECIFICATIONS: 12mm Tape and Reel per EIA-RS481-1 (IEC 286, part 3); 500 per reel, add packaging suffix, UR.
459 SERIES AGENCY APPROVALS: Recognized under theComponents Program of Underwriters Laboratories and Certified by CSA.AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.459 SERIES INTERRUPTING RATINGS:50 amperes at 125 VAC.300 amperes at 125 VDC.Soldering Parameters:
460 SERIES AGENCY APPROVALS: Recognized under theComponents Program of Underwriters Laboratories and Certified byCSA. Approved by METI from 1 through 5 amperes.
460 SERIES INTERRUPTING RATINGS:50 amperes at 125 VAC.50 amperes at 125 VDC.Soldering Parameters:
• For new designs please use the 464 Series, NANO2® 250V UMF Fuse.
Fast-Acting and Slo-Blo® Fuse versions of the Flat-Pak® Fuse designsare available. Both designs are available in either a gull-wing surfacemount package or a DIP configuration for through-hole mounting.These fuse designs feature a 250 VAC rating in a low profile, rectangular package.
ELECTRICAL CHARACTERISTICS:
% of Ampere OpeningRating Time
100% 4 hours, Minimum
200% 2 seconds, Maximum
AGENCY APPROVALS: Recognized under the ComponentsProgram of Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATING:50 amperes at 250 VAC.
ENVIRONMENTAL SPECIFICATION:Operating Temperature: –55°C to 125°C.
Solderability: MIL-STD-202, Method 208.Cleaning: Board washable in most common solvents.
PACKAGING SPECIFICATIONS:SMF Fuses — 24mm Tape and Reel per EIA-RS481-2 (IEC 286, part 3); 500 per reel.DIP Fuses — Antistatic magazine, 100 per magazine.
1 SMF fuse marking includes the letter “G” next to the series number indicating “Gull-Wing”.
9.45(.372") 6.35
(.250")
4.19(.165")
0.53(.021")
10.16(.400")
.135"
0.30 (.012")
6o
202 FLAT- PAK
LF F 2A250 V
PAT 4563666
DIP Configuration(Thru-Hole) Mounting
9.45(.372") 6.35
(.250")
4.19(.165")
202G FLAT- PAK
LF F 2A250 V
PAT 4563666
SMF Configuration("Gull Wing" Surface Mount)
1.52(.060")
0.08 (.003")
1.40 (.055")
15.24 (.600")
17.12 (.674)
4.06 (.160)
11.53 (.454)2.79 (.110)
Recommended Pad Layout
Reference Dimensions:
100
10
0.1
0.01
0.00110001001010.10.05
1/16
A
1/8A
1/4A
1/2A
3/4A
1A 1 1/
2A2A 2
1/2A
3A 4A 5A
TIM
E IN
SE
CO
ND
S
CURRENT IN AMPERES
1
Average Time Current Curves
® ®
385
Surface Mount Fuses
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Subminiature Surface Mount & Dip Types
FLAT-PAK® Slo-Blo® Fuse 203 Series
9.45(.372") 6.35
(.250")
4.19(.165")
0.53(.021")
10.16(.400")
.135"
0.30 (.012")
6o
202 FLAT- PAK
LF F 2A250 V
PAT 4563666
DIP Configuration(Thru-Hole) Mounting
9.45(.372") 6.35
(.250")
4.19(.165")
202G FLAT- PAK
LF F 2A250 V
PAT 4563666
SMF Configuration("Gull Wing" Surface Mount)
1.52(.060")
0.08 (.003")
1.40 (.055")
15.24 (.600")
17.12 (.674)
4.06 (.160)
11.53 (.454)2.79 (.110)
Recommended Pad Layout
Reference Dimensions:
100
10
1
0.01
0.00110001001010.10.05
1/4A
1/2A
3/4A
1A 1 1/
2A2
A2
1/2A
3A 4A 5A
TIM
E IN
SE
CO
ND
S
CURRENT IN AMPERES
.1
Average Time Current Curves
• For new designs please use the 465 Series, NANO2® 250V UMF Fuse.
Fast-Acting and Slo-Blo® Fuse versions of the Flat-Pak Fuse designs areavailable. Both designs are available in either a gull-wing surface mountpackage or a DIP configuration for through-hole mounting.These fuse designs feature a 250 VAC rating in a low profile, rectangular package.
ELECTRICAL CHARACTERISTICS:
% of Ampere OpeningRating Time
100% 4 hours, Minimum
200%1 second, Minimum
30 seconds, Maximum
AGENCY APPROVALS: Recognized under the ComponentsProgram of Underwriters Laboratories and Certified by CSA.
AGENCY FILE NUMBERS: UL E10480, CSA LR 29862.
INTERRUPTING RATING:50 amperes at 250 VAC.
ENVIRONMENTAL SPECIFICATION:Operating Temperature: –55°C to 125°C.
Solderability: MIL-STD-202, Method 208.Cleaning: Board washable in most common solvents.
PACKAGING SPECIFICATIONS:SMF Fuses — 24mm Tape and Reel per EIA-RS481-2 (IEC 286, part 3); 500 per reel.DIP Fuses — Antistatic magazine, 100 per magazine.
1 SMF fuse marking includes the letter “G” next to the series number indicating “Gull-Wing”.
ORDERING INFORMATION
10
SU
RFA
CE
MO
UN
TF
US
ES
386
Surface Mount Fuses
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350 Volt Surface Mount Fuse
EBF Fuse Fast-Acting Type 446/447 Series
• Ideal for use in electronic lighting ballast, power supply and powerinverter applications.
• Rated for use in 125, 250, 277 and 350 VAC circuits.• Based on the proven reliability of the automotive MINI® Fuse; available
from 2 through 10 amperes.ELECTRICAL CHARACTERISTICS:
% of Ampere OpeningRating Time
100% 4 hours, Minimum
200% 0.15 sec. Min., 5 Sec. Max
AGENCY APPROVALS: Recognized under the ComponentsProgram of Underwriters Laboratories and CSA Certified. Approved byMETI to 5 amperes.AGENCY FILE NUMBERS: UL: E71611, CSA LR 29862.INTERRUPTING RATINGS: 100 amperes at 350 VAC, 50 amperesat 125 VDC and 450 amperes at 60VDCENVIRONMENTAL SPECIFICATIONS:Operating Temperature: –40°C to +125°C.
PHYSICAL SPECIFICATIONS:Materials: Body: Plastic Body
Terminations: Tin-Lead (95/5) plated Zn, Ni barrierSoldering Parameters:
Reflow Solder — 235°C, 5 seconds maximum.No-clean process recommended.Wave Solder — Not recommended.Non-plated terminal surfaces may not meet MIL-STD-202, Method 208.
PACKAGING SPECIFICATIONS:24mm Tape and Reel per EIA-RS481 (Equivalent to IEC 286, part 3); 800 fuses per reel, add packaging suffix, ZR.Shelf Life: Up to 1 year in Factory sealed packaging.
ORDERING INFORMATION:
• Through-hole version of the 446 series.
ELECTRICAL CHARACTERISTICS: Same as 446 Series.
Dimensions: Contact Littelfuse for specifications.
Soldering Parameters: Contact Littelfuse for soldering parameters.Inside terminal face of each lead is non-plated zinc. Non-plated zinc terminal faces may not meet MIL-STD-202, method 208. To ensure thatthe fuse is acceptable for the application, appropriate application testingshould be performed.
Packaging Specifications: Bulk Pack (4,000 pieces per pack)