Company News

Littelfuse, Inc.

8755 W. Higgins Rd., Suite 500, Chicago, IL, 60631, USA

  • 800-522-7697

Latest New Product News from
Littelfuse, Inc.

Electrical Equipment & Systems

Surface Mount Ceramic Fuses operate up to 150°C.

Oct 16, 2009

Available in current ratings from 4-8 A, Slo-Blo® 469 Series features high inrush current withstand ratings up to 23.72 A²s for eliminating nuisance fuse open during momentary overload conditions. Time-lag 1206-size fuses have max fault current rating of 60 A and are 100% lead-free, Halide-free, and RoHS-compliant. Units are particularly suitable for protecting DC over-current conditions in... Read More

Electronic Components & Devices

Silicon Diode Arrays offer ESD protection.

Oct 16, 2009

Available in 1.6 x 1.6 x 0.5 mm µDFN-6 and SOT23-6 packages, SP3002 Series provides ESD protection per IEC61000-4-2 for electronic devices with input capacitance of 0.85 pF. Four-channel units with integrated zener diode have 6 V reverse standoff voltage with low leakage of less than 1 µA and low dynamic resistance of 1.1W. Compliant with RoHS, Model SP3002-04UTG... Read More

Electrical Equipment & Systems

Subminiature Fuse suits high voltage DC applications.

Oct 15, 2009

Offered with current ratings from 1-5 A and variety of lead configurations, 808 Series features 250 Vac/450 Vdc rating, making it suited for power supplies and adapters, battery chargers, consumer electronics, and industrial controllers. TE5® fast acting fuse is halogen-free, lead-free and cURus agency approved. Read More

Electrical Equipment & Systems, Electronic Components & Devices

Surge/Lightning Protection Array features 2 pF capacitance.

Oct 15, 2009

Housed in SOT23-6 package, SP3050 Series suppresses large surge/lightning transients per IEC61000-4-5. Four-channel diode array features integrated zener diode and is suitable for secondary or tertiary protection in 10/100/1000 Ethernet applications. It is also usable in USB 2.0 applications where enhanced level of ESD protection is required. Compliant with RoHS, unit has 6 V reverse standoff... Read More

Electrical Equipment & Systems

Surface Mount Ceramic Fuses range from 1.75-8 A.

Oct 15, 2009

Operating up to 150°C, 440 Series has high inrush current withstand rating up to 12.95 A²s for eliminating nuisance fuse open during momentary overload conditions. Surface mount 1206-size units have max fault current rating of 50 A at rated voltage and are 100% lead-free, halide-free, and RoHS-compliant. Fuses are particularly suitable for protecting AC/DC over-current conditions in LCD... Read More

Electrical Equipment & Systems

Miniature Fuse/Clip Assembly simplifies PCB fuse replacement.

Oct 14, 2009

Intended for over-current protection of PCBs, 160 Series 250 V time-lag, SMT fuse/clip assembly offers current ratings from 500 mA to 5 A, with maximum inrush current withstand of 127 A²s and interrupting rating of 50 A at 250 Vac. Unit measures 10.90 x 4.80 x 4.80 mm, and fuse clip holder prevents fuse from opening during momentary overloads. Assembly is RoHS compliant, halogen-free, and... Read More

Electrical Equipment & Systems

Cartridge Fuses come in 5 x 20 mm size.

Jan 22, 2009

Compact 215 Series Fuses come in 15, 16, 20 and 25 A ratings for up to 250 Vac service. Ceramic body, time-lag fuses are suited for use in power supplies, white goods, air conditioner compressors, and other high-amp equipment that needs protection against high fault-current conditions. RoHS compliant fuses can interrupt currents as high as 500 A at 250 Vac under fault conditions, and are... Read More

Electronic Components & Devices

Thermally-Protected MOV meets UL 1449 specifications.

Jan 13, 2009

Designed to prevent fires occurring under prolonged overvoltage conditions, 2-leaded version of TMOV®34S Series consists of 34 mm square-format varistor element with integrated thermally active element. Latter opens and safely disconnects device in case of overheating. Able to be wave soldered, device offers steady-state AC voltage ratings from 115-750 V. Single pulse energy ratings for 8/20... Read More

Electrical Equipment & Systems

Ground Fault Relay offers adjustable time delay of 0-1.5 sec.

Dec 19, 2008

Connected to WKE Series current transformer, RCD300M2 senses fault current, and if fault current exceeds relay trip setting, it activates and sends signal to disconnect high potential from equipment. Features include adjustable trip setting of 10 mA to 3 A, relay supply voltage of 24V AC/DC, or 120 Vac, 50-60 Hz, breaking capacity of 3 A at 240 Vac and 0.3 A at 110 Vdc, and fault indicator LEDs.... Read More

Electrical Equipment & Systems

Subminiature Fuses are rated for 300 Vac.

Dec 16, 2008

Designed in accordance to IEC 60127-3, 369 Series fuses in TE5® packages and 383 Series fuses in TR5® packages suit electronic ballast applications in fluorescent lighting. RoHS compliant/Pb-Free units are available with ampere ratings from 1-10 A for 383 Series and 1-6.3 A for 369 Series, with UL recognized safety certification and METI for 1-5 A. Interrupting ratings are 100 A for 383... Read More

Electronic Components & Devices, Thermal & Heating Equipment

Thyristors offer high-temperature operation.

Dec 12, 2008

With max junction temperature of 125°C, Multipulse(TM) SIDAC Series is capable of switching speeds exceeding 8 kHz. Units optimize speed and consistency of lamp lighting by allowing multiple sparks per half cycle. During lamp outages, ignitor functions in active mode or in continuous operation until lamp is replaced. Suited for metal halide and high-pressure sodium lighting, devices... Read More

Electrical Equipment & Systems

Cartridge Fuses are rated for 500 Vac/Vdc applications.

Dec 02, 2008

Featuring 6 x 32 mm ceramic body and Amp ratings of 10-30 A, 505 Series fast acting cartridge fuses can interrupt fault currents at 500 Vac or Vdc. AC and DC ratings make product suitable for both primary (AC) and secondary (DC) circuit protection. Suited for applications in uninterruptable power supplies (UPS) and other high-energy equipment, fuses are RoHS-compliant/lead-free, and are... Read More

Electrical Equipment & Systems

Compact Fuses can be used for AC and DC applications.

Nov 26, 2008

Available in ampere ratings from 0.5-16 A, with interrupting capability up to 1,500 A @ 400 Vdc, 477 Series ceramic-body, time-lag cartridge fuses are also rated for 500 Vac usage. They come in 5 x 20 mm package and are available in cartridge as well as axial lead configurations, providing design and installation flexibility. RoHS-compliant and Pb-free products can be used in power supply... Read More

Electrical Equipment & Systems

SMT Ceramic Fuse suits high-temperature applications.

Nov 03, 2008

Suited for electronics applications with ambient operating temperatures from -55 to +150°C, 0603-size 438 Series can respond quickly to overcurrents without nuisance tripping caused by high inrush currents. Current ratings range from 250 mA to 6 A, and maximum fault current rating (Interrupt Rating) is 50 A. Pb- and halogen-free solution, compliant with RoHS standards, also extends DC circuit... Read More

Display & Presentation Equipment

Open LED Protector increases LED lighting array reliability.

Oct 31, 2008

Available in DO-214 or QFN SMT package, PLED® 6 Series provides switching electronic shunt path when single LED in LED array fails as open circuit. This ensures entire array of LEDs will continue to function, even if one LED in array does not. In addition to built-in surge immunity, protector has 4-layered thyristor structure that automatically resets if LED heals itself or is replaced.... Read More

Electrical Equipment & Systems

Surface Mount Fuses target small electronic designs.

Oct 29, 2008

Featuring Wire in Air construction with ceramic body and gold-plated brass caps, 1206-size Nano2® 458 Series provides overcurrent protection at PCB level. Units are rated from 1-10 A with overload opening characteristic of 5 sec max at 250% of ampere rating. Lead-free and fully RoHS-compliant, fuses have Interrupting Rating of 50 A at 63 Vdc. Applications include notebook PCs, LCD backlight... Read More

Electrical Equipment & Systems

Surface-Mount Fuse offers operating current surge protection.

Aug 21, 2008

Available in current ratings of 15 and 20 A with maximum fault current rating (Interrupt Rating) of 150 A at 24 Vdc, 0501 Series 1206-size surface-mount fuse provides operating current surge protection for high-current voltage regulator modules and dc-to-dc converters. RoHS compliant and UL and CSA approved low resistance device is lead- and halide-free, and can minimize trips during momentary... Read More

Electrical Equipment & Systems

Silicon Protection Arrays guard high-speed data lines.

Aug 19, 2008

ESD overvoltage suppression devices of SP3000 Series use steering diode architecture with integral zener diode, fabricated with silicon avalanche technology, that protects each I/O line by routing surge currents to ground. Effective against ESD surges up to ±12 kV with response time of less than 1 ns, devices deliver protection with minimal distortion at data rates up to 1 GHz or higher. They... Read More

Electrical Equipment & Systems

SMT Ceramic Fuse withstands temperatures up to 150°C.

Jul 28, 2008

Operating in -55 to 150°C temperature range and quickly responding to over-currents without tripping, 437 Series surface-mount 1206-size ceramic fuse provides dc circuit protection in wide range of electronic applications. Available in current ratings from 250 mA to 8 A, it provides maximum fault current rating of 50 A and l2t nominal melting rating. RoHS compliant and UL and CSA approved unit... Read More

Electrical Equipment & Systems

Fuses are compliant with METI B standard.

Jul 18, 2008

Targeting manufacturers of Japanese white goods, 388 Series of METI B-compliant fuses are designed to provide overall protection for both primary (main power input) and secondary (individual component) protection. Available in both cartridge and pigtailed versions as well as with color-banding and with special/customized formed leads, RoHS-compliant and lead-free fuses feature interrupting... Read More