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Mar 31, 2015
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Our legacy and our future
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Littelfuse Is the Preferred Brand for Circuit Protection Products
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The #1 Brand In Circuit Protection --
The Largest Portfolio Of Solutions
Electrical
Automotive
Littelfuse has the broadest and deepest portfolio of circuit protection products serving three major market segments…
Electronics
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Electronics Business UnitLittelfuse Solutions for Today’s Advanced Products
MLVs
TVS Diode Arrays
PulseGuard® ESD Suppressors
Surface Mount Fuses
Resettable PTCs
MLVs
MOVs
TVS Diode Arrays
TVS Diodes
PulseGuard ® ESD Suppressors
Fuses – leaded/cartridge
Surface Mount Fuses
Resettable PTCs
MLVs
MOVs
Fuses – leaded/cartridge
Power Thyristors
Handheld Digital Consumer Telecom General Electronics
SIDACtor® & Battrax® Protection Thyristors
Greentube™ Gas Plasma Arresters
Telelink ® Fuses
DC Power Fuses
Fuses – leaded/cartridge
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Safety (Airbags, Battery Disconnect, Anti-rollover, Stability Control, etc.)PTCs, MOVs, MLVs, TVS Diodes
Automotive Business Unit
• Today’s automobiles include more electronic systems than ever before. Littelfuse's automotive solutions protect these systems from a wide range of potential overcurrent and transient voltage hazards.
Hybrid Vehicles (Gas Electric, Fuel-cell Electric, Li-Ion Polymer, etc.)EV Fuses
Automotive OEMs Around the World Rely on Solutions from Littelfuse
Comfort and Infotainment (Ride Control, Climate Control, Navigation Systems, Seating Controls, etc.)PTCs, MOVs, MLVs, TVS Diodes, PulseGuard® ESD
Suppressors, Electronic Fuses, GDTsPerformance and Emissions(Engine Management, Adaptable Suspension, Advanced Power-trains)PTCs, MOVs, MLVs, TVS Diodes, TVS Thyristors, Fuses
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Electrical Business Unit
Service Entrance SwitchesKLPC Class L Fuses• Overload protection • Short-circuit protection
Conveyor Motor CircuitsLLSRK_ID Class RK1 Fuses• Overload protection • Short-circuit
protection
Compressor Motor CircuitsJTD_ID Class J Fuses• Overload protection • Short-circuit protection
Conveyor Control CircuitsCCMR Class CC Fuses• Overload protection • Short-circuit protection
As industrial equipment becomes more sophisticated, so does the need for circuit protection.
Protecting Critical Business Assets
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We offer protection against all common threats to electric circuits and components
Every product that uses electrical energy needs circuit protection to ensure safety, reliability and performance…
Littelfuse has the solution
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Littelfuse - The only company to offer a completerange of circuit protection technologies
No competitor can match Littelfuse’s broad product offering and technical expertise in circuit protection applications...
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Our Customers Are Global Market Leaders
LEADING OEMs EMERGING OEMs EMS/ODM TIER 1 AUTO
VESTEL
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Littelfuse Continues to Build a StrongWorldwide Presence
Littelfuse has leading market positions in all three regions of the world
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Littelfuse Has Broad End-Market Exposure
CONSUMER• Hand-held devices • Entertainment • Computers
INDUSTRIAL • Factory Automation• Lighting applications• White goods
TELECOM• VOIP• LAN / WAN • Telco Central Office
AUTOMOTIVE• OEM / Aftermarket• Off-road, truck & bus• Automotive electronics
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Overview of Littelfuse circuit protection technologies
Overvoltage Technologies TVS Diodes Varistors SIDACtor Devices Gas Plasma Arrestors (GDTs) Silicon Protection Arrays (SPAs) PulseGuard ESD Suppressors
Overcurrent Technologies Positive Temperature Coefficient Devices (PTCs) Fuses
Switching Technologies Switching Thyristors
Services Application Testing Services
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Where Used:Protect equipment from current overloads or short circuits by completely stopping the flow of dangerous current – Littelfuse offers the broadest selection to serve the widest range of applications
Available Range:
Options from .062A – 100kA and up to 1000V
CartridgeAxial LeadedSurface Mount Nano and Thin FilmAutomotive Blade Fuses
FusesBroadest selection of any company
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Where Used:String protection, Re-combinersInverter DC Input protectionIEC60269-6, UL2579 coming soon
Available Range:Options from 1A up to 30A @ 1000VBreaking capacity 20.000ALeaded version available forPCB mounting
POWR-GARDSPF Solar Rated Fuse
Central Inverter Protectionusing LittelfuseClass L/J fuses
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Increase Safety and Protect Expensive Equipment from Damage, Reduce Downtime
Our comprehensive line of microprocessor-based protection relays safeguard equipment and personnel to prevent expensive damage, downtime or injury due to electrical faults. We offer:
- Ground Fault Relays - Motor Protection Relays - Feeder Protection Relays - Supplemental Monitors
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Polyfuse® PTCsResettable fuse alternative
Where Used:When maximum uptime is desired or fuse replacement difficult – PTCs restrict flow of dangerous current while allowing safe currents to continue equipment operation
Available Range:SMD - 0603, 0805, 1206, 1210, 1812, 2016, 2920Radial Leaded - 6V, 16V, 30V, 60V, 72VTelecom - 250V, 600VBattery Strap
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TVS DiodesProtect semiconductors from transient volts
Where Used:TVS Diodes respond to overvoltage events faster than most other types of circuit protection – Ideal for consumer electronics, industrial and telecom applications
Available Range:400 W to 30,000 W SMT and Axial6.8V to 550V Uni-directional and bi-directional products available6 kA, 10 kA, 15KA high surge capability device
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Where Used:Silicon Protection Arrays (SPAs), commonly called Diode Arrays, are a family of discrete diodes and diode arrays designed to protect sensitive electronic equipment against destructive electrostatic discharges (ESD) and other electrical transients.
Available Range:• Number of Channels: 1, 2, 3, 4, 5, 6, 8,
14 • Standoff Voltage: 2.5V - 30V• ESD (IEC61000-4-2, Contact): 4kV - 30kV• Capacitance (@ 0V Bias): 0.4pF - 50pF• Lightning (IEC61000-4-5, tP=8/20µs): 1A - 150A
• EFT (IEC61000-4-4, tP=5/50ns): ≥ 40A
Silicon Protection ArraysTM
Best-in-class clamping performance for ESD, EFT, and Lightning-Induced Transients
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Where Used:Thyristors are solid state switches used to control the flow of current
• Capable of blocking rated voltage until triggered to the on-state• Typically used in water heaters, gas ignitors, and a wide variety of electrical controls
Available Range:SCR Silicon Controlled Rectifier (Standard and Sensitive Gate types)
Triac (Standard, High Commutating Alternistor, High Temperature, and QUADRAC types)
SIDAC (Standard, High Energy, MultipulseTM, and Unidirectional types)• 0.8A to 70ARMS continuous current ratings
• Up to 1000VRMS blocking voltage ratings
• TO-220, TO-218, DPAK, TO-92, SOT223, and a variety of other THT and SMT packages
Switching Thyristors Solid state switches to control the flow of current
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Protection ThyristorsSIDACtor® protectors for Telecom and Datacom
Where Used:Protect telecom equipment and ADSL2+, VDSL2+, Ethernet, SLIC, VOIP and POTS applications from high voltage surges
Available Range:Leaded Devices: DO-15, TO-92, TO220 and CELLSurface Mount: DO-214, 3L DO-214 Compak, MS-013 6-pin, MS-012 (SO-8) , 3x3 ,3.3X3.3 and 5x6 QFN
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Varistors - MOVsHigh energy protectors from power spikes/lightning
Where Used:Protect sensitive equipment from power spikes or lightning strikes by shunting the energy to ground – typically used in industrial applications
Available Range:Radial Leaded (LA, ZA, UltraMOV, CIII)
Axial Leaded (MA)
Bare Disk
Surface Mount (CH, SM7, SM20)
Industrial (BA/BB, DA/DB, HA/HB)
Thermal MOV (TMOV)
Newly Released
SM7
SM20
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Varistors - MLVsSmall surface mount varistors for ESD suppression
– Cell phones– PDAs– Automotive
Applications– Digital communication– MP3 players– Computers– Peripherals– Industrial Controls
Where Used:Suppress ESD and other transients that occur on power supply, signal, and control lines – Computers, Mobile Communications, Handheld Electronics, I/O Ports, Alarm & Control Systems, Automotive Electronics and Industrial Automation.
Available Range:ML - Standard Series also available in 0201 package
MHS - High Speed (Lowest Capacitance)
MLE - ESD Suppression and Filtering
AUML - Automotive Transients
MLN - SurgeArray Series(4 Line Device)
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Gas Plasma Arrestors (GDTs)Suppress network damage through a contained gas
Where Used:Suppress damaging voltage transients including lighting in a contained plasma gas – ideal for broadband, ADSL, XDSL, CATV, Satellite and other network and communication equipment
Available Range:Form: Surface Mount, Cartridge, Radial and Axial LeadedElectrode: 2 and 3 terminals/electrodesVoltage Range: 90V-5000V
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PulseGuard ESD SuppressorsProtect integrated circuits from static discharge
Where Used:Supplement on-chip protection of IC’s; to increase the reliability of the end product -- used in low voltage (up to 24VDC) applications to protect the data/signal/control lines against user-generated ESD
Available Range:- Single and Multiple Line Suppressors- 0402, 0603 and SOT23 package types
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Why circuit protection?
Protecting End Users– Reducing or eliminating risk of injury
Protecting Products from Damage– Reduce risk of spikes, electrostatic discharge (ESD),
lightning, misuse– Increased product reliability and lower warranty repair costs
Compliance with Standards– Achieve safety standards acceptance
Safety, Reliability and Compliance
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One Stop Shopping- Littelfuse Advantage
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Why Littelfuse?
#1 circuit protection brand in the world Complete range of circuit protection technologies Product and application expertise Increased market acceptance and reduced liability Available globally Global application testing capabilities Technology leader