Littelfuse, Inc.

Electronic Components & Devices

AEC-Q101 Qualified TVS Diode increases protection not footprint.

Offering 5,000 W (10/1,000 Â-µsec) or 2,200 W (load dump) peak pulse power dissipation rating inÂ- P600 package, SLD Series protects automotive electronics – ECU, TCU, BCM, sensor, and entertainment systemsÂ- – from voltage transients induced by load dump and other transient voltage events. Uni- and bi-directional polarity devices, supporting junction temperatureÂ- up to...

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Electrical Equipment & Systems

Fast-Acting 5 x 20 mm Fuse carries both 420 Vac and Vdc ratings.

Offered in cartridge or axial-leaded versions with current ratings to 16 A, 487 Series ensures optimal coordination between PSU and electrical circuit breaker panel during short-circuit and over-current faults to protect telecom and datacenter equipment. Air circuit breaker trips before fuse opens when circuit is exposed to short-circuit condition. Installed in PSU, fuse opens faster than circuit...

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TVS Diode Arrays offer high ESD withstand capability.
Electronic Components & Devices

TVS Diode Arrays offer high ESD withstand capability.

Available in 5 voltage options of 5, 12, 15, 24, and 36 V, SM Series protects sensitive equipment from damage due to electrostatic discharge, electrical fast transients, and lightning-induced surges. Units can absorb repetitive ESD strikes above maximum level specified in international standards without degradation and safely dissipate up to 24 A of induced surge current. Providing very low...

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Electrical Equipment & Systems

Open LED Protector prevents damage from reverse polarity voltages.

Available in QFN 3 x 3 and DO‑214AA packages designed to maximize heat dissipation and layout flexibility, PLEDxUx Unidirectional Series Open LED Protector provides switching electronic shunt path when one LED in string fails as open circuit. PLED devices, connected in parallel with each LED in series string, enables remainder of string to continue to function if one LED fails. Compatible with...

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TVS Diode Arrays replace multilayer varistors.
Electronic Components & Devices

TVS Diode Arrays replace multilayer varistors.

Housed in SOD-323 package that fits 0805 footprint, unidirectional SD05 and bidirectional SD05C protect electronic equipment from damage due to ESD and other transient events. Units offer dynamic resistance of 0.5 and 0.6 Ω, respectively, and can safely dissipate induced surge currents up to 30 A. Unlike ceramic devices, 450 W products are made of silicon diodes which have no inherent wear-out...

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TVS Diode Array provides ESD protection for sensitive chipsets.
Electronic Components & Devices

TVS Diode Array provides ESD protection for sensitive chipsets.

Optimized for protecting chipsets on high-speed data lines such as USB 3.0 and HDMI, SP3012-06UTG safely absorbs repetitive ESD strikes above maximum level specified in IEC61000-4-2 international standard (Level 4) without performance degradation. Dynamic resistance of just 0.4 Ω lowers clamping voltage for reliable chipset performance in field. Supplied in 3.5 x 1.35 x 0.5 mm Â-µDFN-14...

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Low Capacitance TVS Arrays protect against lightning surges.
Electronic Components & Devices

Low Capacitance TVS Arrays protect against lightning surges.

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 Â-µs) of lightning or surge protection. Additionally, both devices...

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Compact Ceramic-Body Fuses measure 6.3 x 32 mm.
Electrical Equipment & Systems

Compact Ceramic-Body Fuses measure 6.3 x 32 mm.

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...

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Electrical Equipment & Systems

LED Circuit Protector offers open-defect and surge protection.

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...

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Company News

Littelfuse Begins Shipments from New Power Semiconductor Assembly Facility

Highly automated facility in the Philippines reinforces commitment to customer-focused innovation CHICAGO, NOVEMBER 10, 2020 — Littelfuse, Inc. (NASDAQ: LFUS), a global manufacturer of leading technologies in circuit protection, power control and sensing, announced today that it recently shipped its first power semiconductor modules from the company’s new power semiconductor assembly plant...

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Company News

Littelfuse Presents Mouser Electronics with 2018 High Service Distributor of The Year Award

Chicago, May 16, 2019 — Littelfuse, Inc. (NASDAQ: LFUS) recognized Mouser Electronics for the second year in a row with the 2018 High Service Distributor of the Year award. Littelfuse presented the award at the Electronics Distribution Show (EDS), which was held last week in Las Vegas. “Mouser Electronics has been a valuable channel partner for Littelfuse and we are proud to honor them...

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SH Series Gas Discharge Tubes minimize insertion loss.
People in the News

SH Series Gas Discharge Tubes minimize insertion loss.

Used in G.fast, xDSL, 10GbE, and 10/100/1000 Base-T Ethernet port protection, coaxial cable protection and AC power line protection in VFDs and PIs, SH Series Gas Discharge Tubes are suitable for high surge and high density layout application. Designed with 5kA surge capacity, ≤ 0.7pF off-state capacitance, units come in 5.0 x 5.0 x 4.2mm square body. Offering protection against fast-rising...

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Mergers & Acquisitions

Littelfuse Completes Acquisition of TE Connectivity Circuit Protection Business

CHICAGO –Â- Littelfuse, Inc. (NASDAQ:LFUS) today announced it successfully completed its acquisition of the circuit protection business of TE Connectivity Ltd. (NYSE: TEL) for $350 million in cash. The circuit protection business has a leading position in polymer-based resettable circuit protection devices, with a strong global presence in the automotive, battery, industrial, communications...

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Company News

Littelfuse Invests in Silicon Carbide Technology

CHICAGO –Â- As part of the company’s strategy to move more significantly into power semiconductors for industrial and automotive markets, Littelfuse has made an investment in Monolith Semiconductor, Inc., a start-up company developing silicon carbide technology. Silicon carbide is a rapidly emerging semiconductor material that enables power devices to operate at higher switching...

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Company News

Littelfuse Honored with 2014 ASEAN Best Growth Supplier Award from Future Electronics

Award recognizes Littelfuse efforts to grow sales of the company’s products faster than any other Future Electronics’ supplier in region CHICAGO - Littelfuse, Inc., the global leader in circuit protection, was recognized by Future Electronics with the 2014 Best Growth Supplier Award (ASEAN) for suppliers located in South-East Asia. KY Ong, sales director for Littelfuse in South-East Asia, and...

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Electronic Components & Devices

AEC-Q101 Qualified TVS Diode increases protection not footprint.

Offering 5,000 W (10/1,000 Â-µsec) or 2,200 W (load dump) peak pulse power dissipation rating inÂ- P600 package, SLD Series protects automotive electronics – ECU, TCU, BCM, sensor, and entertainment systemsÂ- – from voltage transients induced by load dump and other transient voltage events. Uni- and bi-directional polarity devices, supporting junction temperatureÂ- up to...

Read More »
Electrical Equipment & Systems

Fast-Acting 5 x 20 mm Fuse carries both 420 Vac and Vdc ratings.

Offered in cartridge or axial-leaded versions with current ratings to 16 A, 487 Series ensures optimal coordination between PSU and electrical circuit breaker panel during short-circuit and over-current faults to protect telecom and datacenter equipment. Air circuit breaker trips before fuse opens when circuit is exposed to short-circuit condition. Installed in PSU, fuse opens faster than circuit...

Read More »
Company News

Littelfuse Receives Global Supplier Excellence Honors from TTI

CHICAGO –Â- Littelfuse, Inc., the global leader in circuit protection, has been honored with a Global Supplier Excellence Award from TTI, Inc. for 2013. This is the first year Littelfuse has been recognized by TTI in all three geographic regions it serves: the Americas, Asia, and Europe, including Platinum-Level status for North America. Littelfuse is one of only six TTI suppliers to...

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