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2. Our legacy and our future

3. Littelfuse Is the Preferred Brand for Circuit Protection Products

4. The #1 Brand In Circuit Protection -- The Largest Portfolio Of Solutions
Automotive
Electrical
Electronics
Littelfuse has the broadest and deepest portfolio of circuit protection products serving three major market segments…

5. Electronics Business Unit
Littelfuse Solutions for Today’s Advanced Products
Handheld Digital Consumer Telecom General Electronics
SIDACtor® & Battrax® Protection Thyristors
Greentube™ Gas Plasma Arresters
Telelink ® Fuses
DC Power Fuses
Fuses – leaded/cartridge
MLVs
MOVs
TVS Diode Arrays
TVS Diodes
PulseGuard ® ESD Suppressors
Fuses – leaded/cartridge
Surface Mount Fuses
Resettable PTCs
MLVs
TVS Diode Arrays
PulseGuard® ESD Suppressors
Surface Mount Fuses
Resettable PTCs
MLVs
MOVs
Fuses – leaded/cartridge
Power Thyristors

6. Automotive Business Unit
Automotive OEMs Around the World Rely on Solutions from Littelfuse
Safety (Airbags, Battery Disconnect, Anti-rollover, Stability Control, etc.)
PTCs, MOVs, MLVs, TVS Diodes
Hybrid Vehicles (Gas Electric, Fuel-cell Electric, Li-Ion Polymer, etc.)
EV Fuses
Comfort and Infotainment (Ride Control, Climate Control, Navigation Systems, Seating Controls, etc.)
PTCs, MOVs, MLVs, TVS Diodes, PulseGuard® ESD Suppressors, Electronic Fuses, GDTs
Performance and Emissions (Engine Management, Adaptable Suspension, Advanced Power-trains)
PTCs, MOVs, MLVs, TVS Diodes, TVS Thyristors, Fuses
Today’s automobiles include more electronic systems than ever before. Over
their lifetime these systems are exposed to a wide range of potential
overcurrent and transient voltage hazards.
Major automotive OEMs around the world rely on solutions from Littelfuse to
protect the silicon chips within automotive modules, as well as the battery
power distribution and wiring harnesses that feed these modules.
• 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.

7. Electrical Business Unit
Protecting Critical Business Assets
Service Entrance Switches
KLPC Class L Fuses
Overload protection
Short-circuit protection
Compressor Motor Circuits
JTD_ID Class J Fuses
Overload protection
Short-circuit protection
Conveyor Motor Circuits
LLSRK_ID Class RK1 Fuses
Overload protection
Short-circuit protection
Conveyor Control Circuits
CCMR Class CC Fuses
Overload protection
Short-circuit protection
As industrial equipment becomes more sophisticated, so does the need for circuit protection.

8. 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

9. Littelfuse - The only company to offer a complete range of circuit protection technologies
No competitor can match Littelfuse’s broad product offering and technical expertise in circuit protection applications...

10. Our Customers Are Global Market Leaders
LEADING OEMs
EMERGING OEMs
EMS/ODM
TIER 1 AUTO
More than 10,000 customers worldwide
Electronics
OEM (Nokia, Samsung, Sony, Lucent, IBM, LG, Apple, Canon, Dell)
CEM (Celestica, Flextronics, Solectron, Jabil)
ODM (Asustek, HuaWei, Delta, Quanta, BenQ, Wistron)
Distributors (Arrow, Future)
Automotive
OEM (Ford, General Motors, DaimlerChrysler)
Tier 1 (Hella, Delphi, Motorola, Bosch, Siemens)
Aftermarket (AutoZone, Hella, Pep Boys, Chang Hua)
Electrical
End users (Otis, Sonoco)
Distributor channels (Rexel, GE Supply, Haggermeyer)
VESTEL

11. Littelfuse Continues to Build a Strong Worldwide Presence
Littelfuse has leading market positions in all three regions of the world

12. Littelfuse Has Broad End-Market Exposure
AUTOMOTIVE
OEM / Aftermarket
Off-road, truck & bus
Automotive electronics
TELECOM
VOIP
LAN / WAN
Telco Central Office
CONSUMER
Hand-held devices
Entertainment
Computers
INDUSTRIAL
Factory Automation
Lighting applications
White goods

13. 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

14. Fuses Broadest selection of any company
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
Cartridge
Axial Leaded
Surface Mount Nano and Thin Film
Automotive Blade Fuses

15. POWR-GARD SPF Solar Rated Fuse
Central Inverter
Protection
using
Littelfuse
Class L/J fuses
Where Used:
String protection, Re-combiners
Inverter DC Input protection
IEC , UL2579 coming soon
Available Range:
Options from 1A up to 1000V Breaking capacity A Leaded version available for PCB mounting

16. 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

17. Polyfuse® PTCs Resettable 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 , 0805, 1206, 1210, 1812, 2016, 2920
Radial Leaded - 6V, 16V, 30V, 60V, 72V
Telecom - 250V, 600V
Battery Strap

18. TVS Diodes Protect 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 Axial
6.8V to 550V
Uni-directional and bi-directional products available
6 kA, 10 kA, 15KA high surge capability device

19. Silicon Protection ArraysTM Best-in-class clamping performance for ESD, EFT, and Lightning-Induced Transients
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: , 2, 3, 4, 5, 6, 8, 14
Standoff Voltage: V - 30V
ESD (IEC , Contact): kV - 30kV
Capacitance 0V Bias): pF - 50pF
Lightning (IEC , tP=8/20µs): 1A - 150A
EFT (IEC , tP=5/50ns): ≥ 40A

20. Switching Thyristors Solid state switches to control the flow of current
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

21. Protection Thyristors SIDACtor® 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 CELL
Surface Mount: DO-214, 3L DO-214 Compak, MS pin, MS-012 (SO-8) , 3x3 ,3.3X3.3 and 5x6 QFN

22. Varistors - MOVs High 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

23. Varistors - MLVs Small surface mount varistors for ESD suppression
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)
Cell phones
PDAs
Automotive Applications
Digital communication
MP3 players
Computers
Peripherals
Industrial Controls

24. 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 Leaded
Electrode: 2 and 3 terminals/electrodes
Voltage Range: 90V-5000V

25. PulseGuard ESD Suppressors Protect 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

26. Why circuit protection?
Safety, Reliability and Compliance
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

27. One Stop Shopping- Littelfuse Advantage

28. 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