Littelfuse

Littelfuse (NASDAQ: LFUS) is an industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 15 countries, and with approximately 17,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation and electronics end markets – everywhere, every day. Learn more at Littelfuse.com.

Articles

System Integration March 4, 2017

Diode arrays for protecting electronic equipment

Littelfuse's TVS Diode Arrays are designed to protect each input/output (I/O) pin of electronic equipment subject to destructive electrostatic discharges (ESD) or electrical fast transients (EFT).

By Littelfuse
Discrete Manufacturing January 27, 2017

Motor protection relays with Bluetooth technology

Littelfuse's MP8000/MP8100 series Bluetooth-enabled motor protection relay is designed to enhance worker safety in applications such as conveyor systems, HVAC equipment, saws and grinders, fan motors, and pumps employed in manufacturing, oil & gas, water/wastewater, and mines.

By Littelfuse
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Products

Semiconductors November 9, 2023

Protection thyristor series for EV applications

Littelfuse, Inc., an industrial technology manufacturing company empowering a sustainable, connected and safer world, announced the launch of its new Pxxx0S3N-A Automotive Grade 3kA SIDACtor Protection Thyristor Series in DO-214AB (SMC) package. This innovative product is designed to provide robust and reliable high surge current protection for equipment operating in harsh environments, enabling designers to meet regulatory requirements more easily. The key differentiator of the Pxxx0S3N-A series lies in its high-power density design, capable of withstanding surge currents up to 3 kA (8/20 µs) and voltages up to 6 kV with very low clamping voltage. This compact SIDACtor component, housed in the DO-214AB (SMC) package, allows automotive manufacturers to achieve high power density designs and product miniaturization in automotive electronics. Developed for Battery Electric Vehicles (BEV) and Plug-in Hybrid Electric Vehicles (PHEV) applications, the Pxxx0S3N-A Series, when used in conjunction with a MOV combination, delivers superior transient surge protection for on-board chargers.

Littelfuse
Electrical January 30, 2024

SM10 Varistor Series

Littelfuse, Inc. (NASDAQ: LFUS), an industrial technology manufacturing company empowering a sustainable, connected, and safer world, today announced the SM10 Varistor Series, a revolutionary Metal Oxide Varistor (MOV) designed to provide superior transient surge protection in automotive electronics, electric vehicles (EVs), and various other applications. This latest addition stands out as the first surface-mounted MOV device compliant with the AEC-Q200 automotive standard, capable of withstanding high operating temperatures and offering ultra-high surge current handling in a compact package.

Littelfuse
Electrical February 6, 2024

59177 Series

Littelfuse, Inc. (NASDAQ: LFUS), an industrial technology manufacturing company empowering a sustainable, connected, and safer world, introduces the 59177 Series ultra-miniature overmolded reed switch. This switch offers designers unparalleled flexibility for space-constrained applications.

Littelfuse
Control Systems October 17, 2023

Circuit protection device for high-voltage applications

eFuse Protection ICs product line of versatile circuit protection devices, the LS0502SCD33. This pioneering innovation marks a significant milestone in the industry, providing the eFuse Super Capacitor Protection IC, a cutting-edge solution designed specifically for backup power charging applications in harsh environments. View the video. In many applications where backup power is crucial, the narrow temperature range of Lithium-Ion batteries limits their use.

Littelfuse
Switchgear December 19, 2023

Switch series for automatic test equipment

Littelfuse, Inc., an industrial technology manufacturing company empowering a sustainable, connected and safer world, is excited to announce the availability of the MATE-12B Reed Switch Series. These sub-miniature reed switches provide longer life and higher reliability than currently available in existing 12.7 mm reed switches, achieving millions of cycles. Their extensive longevity exceeds the requirements for automatic test equipment and appliance applications.

Littelfuse
Vision and Discrete Sensors December 5, 2023

54100 and 54140 Miniature TMR Sensors

Littelfuse's 54100 and 54140 miniature Tunnel Magneto-Resistance (TMR) effect sensors offer unmatched sensitivity and power efficiency, revolutionizing the magnetic sensing industry. The key differentiator of the 54100/54140 sensors is their remarkable sensitivity and 100x improvement in power efficiency compared to Hall Effect sensors. These sensors offer activation in the x-y plane instead of the traditional z-axis, providing enhanced functionality.

Littelfuse
Process Instrumentation and Sensors October 24, 2023

59001 Reed Sensor

Littelfuse, Inc., an industrial technology manufacturing company empowering a sustainable, connected, and safer world, announced the release of its latest innovative product, the 59001 Reed Sensor. This miniature D-shaped cylindrical reed sensor offers a compact size, high performance, and customization options, making it an ideal choice for various industrial, appliances, and IoT proximity sensing applications. The key differentiator of the 59001 Reed Sensor lies in its compact size, measuring just 13.5 mm x 5.0 mm x 4.6 mm (0.591" x 0.197" x 0.181"). Its small form factor allows for significant space savings, making it ideal for applications where size constraints are a concern.

Littelfuse
Process Instrumentation and Sensors August 10, 2023

Flange mount reed sensor series

Littelfuse, Inc. announced the release of its 59155 and 59156 subminiature flange mount reed sensors. The sensors' design provides compact size, contactless activation and customization options, making them suitable for a wide range of tight-spacing applications across different industries. Littelfuse introduces the most miniature flange-mount type reed sensor available in the market, measuring only 12.70 mm x 9.00 mm x 3.00 mm (0.500-inch x 0.354-inch x 0.118-inch) with normally open contacts.

Littelfuse
Electrical July 25, 2023

Integrated protection IC for Type-C ports

This new eFuse protective integrated circuit's (IC) innovative design protects USB Type-C ports against short circuits, overvoltage, and electrostatic discharge (ESD). The LS05006VPQ33 is a highly integrated protection IC for Type-C PD Vbus short to CC/SBU with 28 V max and 8 KV IEC-61000-4-2 ESD capability. The eFuse LS05006VPQ33 protection ICs are ideal for use in a wide range of USB Type-C applications, including: Notebooks Desktops Monitors Industrial PCs Point of sales Smartphones Tablets USB Type-C PD docking stations. "The LS05006VPQ33 is an extension of the Littelfuse eFuse protection IC solutions, and it is our first eFuse to support 20 V short, overvoltage, and system ESD protection for signal pins," said Bernie Hsieh, APM of Protection Semiconductor Business at Littelfuse. "The LS05006VPQ33 provides better reliability, longer life, lower repair costs and compact product size.

Littelfuse
Electrical, Power July 18, 2023

Current sensing resistor family

Littelfuse, Inc. (NASDAQ: LFUS), an industrial technology manufacturing company empowering a sustainable, connected and safer world, announced the launch of its new Current Sensing Resistor (CSR) family. These new CSRs offer a more cost-effective solution for measuring current within circuits, enabling voltage monitoring, control and power management of functions such as battery charging and motor speed, while also providing overcurrent protection. The Current Sensing Resistors Series is a game changer for both automotive and consumer electronics markets and are ideal for numerous applications, including: Automotive electronics. Electric vehicles, including 2- and 3-wheelers. Home appliances. Consumer electronics. Industrial automation. The CSR Series offers the following key benefits: Cost-effective, compact solution Current measurement Voltage monitoring.

Littelfuse
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