Companies

Littelfuse, Inc.

  • 8755 West Higgins Road Suite 500 Chicago, IL
    60631
    United States of America
  • 1-773-628-1000
  • www.littelfuse.com
  • 1-800-522-7697

Littelfuse products are vital components in virtually every market that uses electrical energy, from consumer electronics to automobiles, commercial vehicles and industrial equipment.

Littelfuse, Inc. Articles

Displaying 1 - 20 of 210
Power
7th May 2020
Li-ion battery protectors to guard against overcurrent

Littelfuse has announced the ITV Series, a three-terminal, surface mountable li-ion battery protector designed to guard against the damage caused by both overcurrent and overcharging.

Power
7th April 2020
Solar fuses offer higher amperage in a streamlined design

Littelfuse has announced the expansion of its SPXI series in-line solar fuses to include 35 to 60 amperage models. Designed to integrate into in-line assemblies within a wire harness, these 1,500V DC solar fuses protect photovoltaic (PV) installations from overloads and short circuits to minimise damage to solar panels.

Analysis
15th January 2020
Accelerate the design cycles of SiC-based power converters

Littelfuse has announced the Gate Drive Evaluation Platform (GDEV). The new evaluation platform helps designers evaluate SiC MOSFETs, SiC Schottky diodes, and other peripheral components like gate driver circuitry, so that they can better understand how silicon carbide technologies will behave in converter applications under continuous operating conditions.

Passives
10th January 2020
High-temperature thyristors improve thermal management

Littelfuse has announced an additional five series of high-temperature Alternistor TRIAC switching thyristors. The thyristors are designed for use as semiconductor switches in appliances and equipment powered by line AC voltages up to 250VRMS.

Power
13th December 2019
Differential data lines use low capacitance TVS Diode Arrays

A new series of low capacitance TVS Diode Arrays (SPA Diodes) has been introduced by Littelfuse. The series is optimised to protect high speed differential data lines from ElectroStatic Discharge (ESD), Cable Discharge Events (CDE), Electrical Fast Transients (EFT), and lightning-induced surges, keeping network communications reliable by safeguarding signal integrity.  

Passives
14th November 2019
Dual channel PPTC with small footprint protects from overcurrents

Littelfuse has announced a new series of 250V Telecom PPTCs designed to help make telecom and network equipment more reliable. The TSM250-130 series protects against power cross and induced power surges as defined in ITU, Telcordia GR1089 and IEC 62368-1. 

Renewables
25th July 2019
Electric Vehicle charging infrastructure

Faster charging of electric vehicles demands efficient power delivery while keeping people safe. This video can help you to improve the efficiency, reliability and safety of your EV charging system with Littelfuse products.

Passives
10th June 2019
Temperature indicators with improved prevention of overheating

Global manufacturer of leading technologies in circuit protection, power control and sensing, Littelfuse, has announced an expanded PolySwitch setP series of digital temperature indicators, designed to protect USB Type C and USB power delivery charging cables from dangerous overheating. 

Passives
21st May 2019
Littelfuse Type 2 surge protection devices

Littelfuse Type 2 Surge Protection Devices for branch circuits safeguard components from transient overvoltage or surges by limiting the fault current to a load or the unit being protected.

Power
29th April 2019
TVS diode arrays provide ultra-low capacitance protection

It has been announced that Littelfuse has introduced two series of bidirectional TVS Diode Arrays (SPA Diodes) designed to protect ultra high speed consumer electronics interfaces from damaging electrostatic discharge (ESD) in applications where PCB layout is especially challenging. 

Power
22nd March 2019
SiC schottky diodes with current ratings from 6-40A at APEC 2019

Littelfuse has introduced two additions to its expanding line of second-generation, 650V, AEC-Q101-qualified SiC Schottky Diodes. Both series offer power electronics system designers a variety of performance advantages over traditional silicon-based devices, including negligible reverse recovery current, high surge capability, and a maximum operating junction temperature of 175°C. This makes them suitable for applications in which improv...

Power
8th March 2019
Protection thyristor safeguards CVBS signal lines

It has been announced that Littelfuse has launched the PxxxxS4xLRP Series SIDACtor Protection Thyristor, a robust solution for protecting Composite Video Blanking Sync (CVBS) signal lines and ports from damaging overvoltage transients. The combination of six volt operating voltage and 100A 5/310µs surge peak current capability and a low junction capacitance rating make the P0080S4BLRP suited for protecting a wide range of equipment needs da...

Power
9th February 2019
SiC MOSFETs respond to need for fast charge

  Understanding the structure of SiC MOSFETs helps engineers develop appropriate systems, say Levi Gant, Littelfuse and Sujit Banerjee, Monolith Semiconductor

Power
10th January 2019
Hybrid protection module guards from sustained overcurrents

The first of a series of bidirectional TVS Diode Arrays (SPA Diodes) designed to protect high-end consumer and wearable electronics from damaging ESD-generating events have been introduced by Littelfuse. The SP1333-01UTG, the first TVS Diode Array in the SP1333 Series, with a breakdown voltage 3.3V, incorporates back-to-back diodes fabricated using a proprietary silicon avalanche technology. 

Power
19th November 2018
SIP relay has 4000V isolation for high performance switching

  Offering twice the load current of its most popular power relay, the CPC1984Y is a 600V, normally open power SIP relay, rated for up to 1A DC/1A rms continuous load current.

Power
27th September 2018
SiC MOSFET enables high frequency power control applications

Expanding its portfolio of SiC MOSFET devices, Littelfuse has introduced its first 1,700V SiC MOSFET, the LSIC1MO170E1000. An important addition to the Littelfuse SiC MOSFET product offering, the LSIC1MO170E1000 is a powerful addition to the company’s 1,200V SiC MOSFETS and Schottky diodes already released. End-users will benefit from more compact, energy-efficient systems and also from a potential lower total cost of ownersh...

Power
10th September 2018
Over-temperature protection devices boost battery safety

Littelfuse has introduced MHP-TAC (Metal Hybrid PPTC - Thermal Activated Compact) Series Resettable Over-temperature Protection Devices, the latest addition to its line of battery min-breakers. These devices connect a PPTC (Polymeric Positive Temperature Coefficient) device in parallel with a bimetal protector (a resettable thermal cut-off device) to protect the high-capacity Lithium-ion Polymer (LiP) and prismatic battery cells used in mobi...

Power
7th September 2018
TRIAC helps designers improve thermal management

Littelfuse has introduced six series of high-temperature sensitive, standard and alternistor TRIAC, designed for use as semiconductor switches in appliances and equipment powered by line AC voltages up to 220VRMS. Available in compact, surface-mount packages, these components are the industry’s first TRIAC with such a high maximum temperature that are available in ratings of 4A, 6A, and 8A.

Power
7th June 2018
SiC Schottky diodes shrink energy costs and space requirements

Littelfuse has introduced an expanded portfolio of silicon carbide (SiC) power semiconductor devices with the addition of five GEN2 Series 1200V, 3L TO-247 Schottky Diodes and three GEN2 Series 1200V, 2L TO-263 Schottky Diodes. When compared with silicon devices, GEN2 SiC Schottky Diodes reduce switching losses and allow for increases in the efficiency and robustness of power electronics systems. The product introduction was made during the PCIM ...

Power
8th May 2018
Robust clip-attach package design supports mechanical durability

Littelfuse has upgraded its switching thyristor line with the introduction of the SJ Series High Temperature SCR (Silicon-Controlled Rectifier) Switching Thyristors. This new series offers circuit designers blocking voltages (VDRM) up to 600V and current ratings from 4-40A to support a wide range of applications. By offering designers a wider operating margin than earlier SCRs, they make it possible to tolerate insufficient cooling and highe...

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