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, Electronic Components & Devices

Single-Port Fixed Voltage Thyristors protect SLICs.

September 10, 2010

Designed to optimize reliability of telecom equipment, Pxxx1DF-1 and Pxxx1DF-1E Series SIDACtor® devices protect sensitive Subscriber Line Interface Circuits from damaging overvoltage transients caused by lightning and AC power faults. Thyristors' fixed-voltage switching device protects against both positive and negative induced surge events without additional external components. Units help... Read More

Electronic Components & Devices

Low-Capacitance Diode Array provides ESD protection to USB 3.0.

September 9, 2010

Supplied in 3.5 x 1.35 x 0.5 mm µDFN-14 package, SP3011-06UTG presents parasitic capacitance of 0.40 pF that minimizes signal degradation on array's 4 super-speed (5 Gbps) and 2 legacy (480 Mbps) data lines. Each channel also provides Level 4, ±8 kV contact discharge ESD protection. With dynamic resistances of 1.5 W per capacitance, RoHS-compliant product suits... Read More

Electrical Equipment & Systems

Low Capacitance TVS Arrays protect against lightning surges.

June 25, 2010

Supplied in SOT23-3 and SOIC-8 packaging, respectively, single-channel SPLV2.8 and 4-channel SPLV2.8-4 Series protect sensitive Ethernet PHYs from lightning-induced transients and ESD. Both diode-compensated TVS arrays present loading capacitance of 3.8 pF to minimize signal degradation while providing up to 24 A (tP=8/20 µs) of lightning or surge protection. Additionally, both devices protect... Read More

Electrical Equipment & Systems

Compact Ceramic-Body Fuses measure 6.3 x 32 mm.

June 15, 2010

Featuring circuit interrupting capacity of 10 kA at 1,000 Vac/Vdc, 508 Series ceramic-body fuses are designed to open quickly and safely to protect compact circuits and equipment under high fault application conditions. Compact, cartridge-style fuses are available in operating current ratings of 315 and 500 mA. Suited for multimeters and other instrumentation, units are RoHS-compliant as well as... Read More

Electrical Equipment & Systems

LED Circuit Protector keeps strings lit if single LED fails.

June 15, 2010

Series PLED5 provides open-defect, ESD, and lightning protection, as well as protection against reverse battery/power connections. Voltage-triggered electronic shunt device provides current bypass if single LED fails into open circuit condition, and open defects can be controlled without negatively affecting power supply voltage. Design ensures against loss of entire string of LEDs due to failure... Read More

Electrical Equipment & Systems, Electronic Components & Devices

LED Circuit Protector offers open-defect and surge protection.

June 15, 2010

PLED18 Series is voltage-triggered electronic shunt device that provides current bypass in case of single LED failing into open circuit condition, insuring against loss of entire string of LEDs due to failure of single LED. One PLED18 Series device can protect up to 4 high-brightness LEDs, and is suitable for outdoor lighting and high-intensity applications employing 1, 2, or 3 W high-brightness... Read More

Electrical Equipment & Systems

High-Temperature Fuses work in ambient environments to 150°C.

January 29, 2010

Suited for protecting against DC over-current conditions, 1206-size 469 Series is comprised of Slo-Blo® SMT ceramic fuses with UL and CAS agency approvals that carry ratings from 4-5 A (32 Vdc) and 6-8 A (24 Vdc). Inrush current withstand values, which range up to 23.72 A²s, eliminate nuisance fuse open during momentary overload conditions. Construction is Pb- and Halogen-free as well as... Read More

Electrical Equipment & Systems

SMT Ceramic Fuse offers high in-rush current values.

January 29, 2010

Used to protect circuits against DC over-current conditions in environments up to 150°C, 0603 size 441 Series offers inrush current withstand ratings up to 2.6 A²sec (6 A current rating) for eliminating fuse open during momentary overload conditions. UL-approved design exhibits electrical stability and is available with current ratings from 2-6 A (32 Vdc). Each RoHS-compliant fuse has max... Read More

Electrical Equipment & Systems, Electronic Components & Devices

Silicon TVS Arrays provide ESD protection.

December 24, 2009

Housed in 1.25 x 1.0 x 0.5 mm µDFN package, ±8 kV Model SP1010-04UTG has capacitance of 3.5 pf for high speed buses, while ±15 kV Model SP1011-04UTG offers 7 pF of capacitance for optimized ESD protection. Both 4-channel arrays are RoHS-compliant and suitable for cell phones, smart phones, PDAs, portable navigation devices, digital cameras, netbooks, and portable medical devices. Read More

Electrical Equipment & Systems, Material Handling & Storage

Fuse/Clip Assembly offers over-current protection for PCBs.

November 23, 2009

Measuring 10.90 x 4.80 x 4.80 mm, 160 Series offers current ratings from 500 mA to 5 A, with max inrush current withstand of 127 A²secs and interrupting rating of 50 A at 250 Vac. Time-lag surface mount fuse/clip assembly minimizes probability of fuse opening during momentary overloads, and makes field replacement of fuse possible. RoHS-compliant and Halogen-free, assembly is suited for LED... Read More

Electrical Equipment & Systems

Bidirectional TVS Array provides ESD protection.

November 23, 2009

Housed in SOT953 package that measures 1.0 x 1.0 x 0.5 mm, 4-channel SP1004 Series provides ESD protection at maximum level of IEC61000-4-2 international standard (Level 4, ±8 kV contact discharge). Unit has 6 V reverse standoff voltage with low leakage of less than 0.1 µA at 5 V. It is suited for cell phones, smart phones, PDAs, MP3/PMP players, and portable navigation devices. With total... Read More

Electrical Equipment & Systems, Electronic Components & Devices

Silicon Protection Arrays offer ESD protection of ±30 kV.

November 20, 2009

Low pass, C-R-C filters in SP6001 Series feature line capacitance of 24 pF with cut-off frequency of approximately 115 MHz, while SP6002 Series filters have line capacitance of 30 pF with cut-off frequency of about 100 MHz. Each series includes 4- and 6-channel versions that provide attenuation of less than or equal to -30 dB from 800-3,000 MHz. Silicon protection arrays meet IEC61000-4-2... Read More

Electrical Equipment & Systems

Cartridge Fuses suit audio and medical equipment.

November 20, 2009

Available in current ratings from 125 mA to 20 A, 285 Series is available with gold-plated caps as standard and rhodium-plated caps upon request. Ceramic body of these 5 x 20 mm cartridge fuses lends to breaking capacity of 1,500 A/250 Vac. Used as supplementary protection in appliance or utilization equipment, RoHS-compliant products have max fault current ratings (interrupt ratings) of 1,500 A... Read More

Electrical Equipment & Systems

Subminiature SMT Fuse has 40 A current rating.

November 20, 2009

Intended for smaller embedded device protection of higher current applications, 456 series 40 A NANO²® fuse offers interrupt ratings up to 600 A at 60 Vdc with melting I²t value of 454.51 A² secs. It enables circuit engineers to design-in primary and secondary over-current protection with one 12 X 4.5 X 4.5 mm fuse. Circuit protection device features RoHS-compliant construction free... Read More

Electronic Components & Devices

Metal Oxide Varistor is lead-free and halogen-free.

October 26, 2009

With operating voltage up to 510 Vac, surface mount SM7 Series provides over-voltage protection and transient suppression, and is designed for continuous operation across AC power lines. RoHS-compliant device is based on radial 7 mm internal varistor element and is housed in nylon molded package with tin-plated terminal. Operating at ambient temperatures up to 85°C with peak pulse current of... Read More

Electronic Components & Devices

Varistor Series delivers high peak surge current ratings.

October 16, 2009

Able to withstand peak surge current up to 22 kA at single 8/20 µs pulse, Ultra MOV(TM) 25S series can protect against lightning striking interference and abnormal power source from incoming power lines. Standard 25 X 25 mm square, radial lead package has straight leads and is RoHS-compliant. Supporting operating voltages from 115-750 Vac, product is also available as phenolic coated option... Read More

Electrical Equipment & Systems

Surface Mount Ceramic Fuses operate up to 150°C.

October 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.

October 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.

October 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.

October 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