Littelfuse, Inc.

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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Intrinsically Safe Fuse is certified to UL913 standard.
Electrical Equipment & Systems

Intrinsically Safe Fuse is certified to UL913 standard.

Featuring encapsulated design, 277 V PICOÂ-® 305 Series prevents heat and sparks from being exposed to hazardous dusts and gases. Fuse provides interrupting capacity of 1,500 A and current ratings from 50–750 mA. Meeting ATEX and IECEx requirements, fuse is suited for testing, measuring, or processing electronic and electrical equipment, motor controllers, lighting, communication handsets,...

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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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Architectural & Civil Engineering Products

Compact Fuse Blocks feature neon light for local indication.

DIN-releasable, POWR-GARDÂ-® LF Series of indicating fuse blocks are suited for panel shops and OEMs. Universal mounting holes aid in drop-in replacement and snap-to-release feature allows fuse block to be easily mounted and released from 35 mm hat DIN rail. UL Classes H/K5 and R rated units include voltages and amperages of 250 and 600 V, and 30-100 A where as UL Class J rated units have...

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Littelfuse Introduces the World's Smallest Protection Thyristor: The Teccor-® Q2L Series QFN (Quad Flatpak No-Lead) SIDACtor-® Device.
Electronic Components & Devices

Littelfuse Introduces the World's Smallest Protection Thyristor: The Teccor-® Q2L Series QFN (Quad Flatpak No-Lead) SIDACtor-® Device.

CHICAGO, Illinois - Littelfuse, Inc. (Nasdaq/NMS: LFUS) introduces their new Teccor Q2L series SIDACtor device - the world's smallest protection thyristor, designed for dense board telecom applications and CPE (Customer Premises Equipment). With size constraints continually challenging our industry, the new Q2L series is the solution that meets market demand. Littelfuse has incorporated their...

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Littelfuse Introduces SP3010 Series, Ultra-Low Capacitance Diode Array for ESD Protection
Electronic Components & Devices

Littelfuse Introduces SP3010 Series, Ultra-Low Capacitance Diode Array for ESD Protection

CHICAGO, Illinois - Littelfuse, Inc. (NASDAQ/NGS:LFUS) announced the introduction of the SP3010 Series today, a four channel diode array packaged in a 2.5x1.0x0.5mm Â-µDFN-10. The SP3010 presents an extremely low parasitic capacitance of only 0.45pF while providing ESD protection at the maximum level of the IEC61000-4-2 international standard (Level 4, Â-

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EC&M Awards Littelfuse  Product of the Year  Category Winner for PGR-5330 Advanced Ground Fault and Resistor Monitoring Relay
Electrical Equipment & Systems

EC&M Awards Littelfuse Product of the Year Category Winner for PGR-5330 Advanced Ground Fault and Resistor Monitoring Relay

Chicago IL - Littelfuse, the global leader in circuit protection, today announced that it has won Electrical Construction & Maintenance (EC&M) magazine's Product of the Year award in its category for the PGR-5330 advanced ground fault and resistor monitoring relay. The PGR-5330 increases safety and reliability by continuously monitoring the facility electrical system for damaging ground faults or...

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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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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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Company News

Littelfuse Honors Arrow Electronics as Its 2013 Volume Distributor of the Year

Award recognizes sales growth, focus product sales, design registrations and wins CHICAGO –Â- Littelfuse, Inc., the global leader in circuit protection, has named Arrow Electronics its Volume Distributor of the Year for 2013. Littelfuse presented the award to Arrow Electronics, a global leader in electronics distribution, at the recent 2014 Electronic Distribution Show (EDS) in Las Vegas,...

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Company News

Littelfuse Recognizes Digi-Key as High-Service/Catalog Distributor of the Year for Second Consecutive Year

Award recognizes growth in sales, focus product sales, customers, as well as marketing efforts CHICAGO –Â- Littelfuse, Inc., the global leader in circuit protection, has named Digi-Key Corporation as its High-Service/Catalog Distributor of the Year for 2013. This marks the second consecutive year that Littelfuse has recognized Digi-Key with this award. Littelfuse presented the award to...

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