Littelfuse

Products

Electrical, Power October 22, 2024

Residual current monitor series for EV charging stations

Littelfuse launches RCMP20 residual current monitor series for Mode 2 and Mode 3 Charging Stations Innovative design supports more compact, high-current EV chargers with improved safety, design flexibility, and thermal management. Littelfuse introduces the RCMP20 Residual Current Monitor Series for Mode 2 and Mode 3 EV charging stations, setting a new benchmark for safety and design flexibility in electric vehicle infrastructure. Featuring the industry’s largest current transformer aperture, this compact solution supports higher charging currents with enhanced thermal management and EMI resilience. Ideal for modern EV chargers, the RCMP20 Series ensures reliable ground fault detection, improving overall charger performance and safety.

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Electrical and Power August 1, 2024

High-reliability low capacitance TVS diode series

The SMBLCE-HR/HRA (600 W), SMCLCE-HR/HRA (1500 W), and SMDLCE-HR/HRA (3000 W) series stand out for their unique combination of high reliability and low capacitance in compact JEDEC DO-214AA and DO-214AB packages. These diodes are meticulously designed, manufactured, and screened to eliminate early failures, ensuring consistent performance without degradation even under continuous surge conditions. With capacitance values as low as 50 pF and power ratings ranging from 600 to 3000 watts, these TVS diodes offer unparalleled protection for sensitive avionics data lines. View the video. The new TVS diodes are ideal for a range of avionics applications, including: Flight control systems, Full Authority Digital Engine Control (FADEC), Radar systems, and Other high-speed data interfaces. By offering exceptional protection against overvoltage threats, these diodes ensure the reliability and safety of critical avionics equipment. “Today’s aircraft designs are increasingly utilizing new composite materials and higher data speeds,” said Charlie Cai, Director of Product Management, Protection Business, Semiconductor Business Unit at Littelfuse.

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Electrical, Power November 14, 2023

Optically isolated photovoltaic driver provides floating power source

Littelfuse, Inc., an industrial technology manufacturing company empowering a sustainable, connected and safer world, announced the launch of the FDA117 Optically Isolated Photovoltaic Driver. This innovative product generates a floating power source, making it an exceptional choice for isolated switching applications in a wide range of industries. The FDA117 is specifically designed to control discrete standard power MOSFETs and IGBTs using a floating voltage source, ensuring isolation between the low-voltage drive input side and the high-voltage load output side. With an input control current range of 5 mA to 50 mA, an integrated fast turn-off circuitry, and 5 kVRMS reinforced isolation, the FDA117 provides sufficient voltage and current to drive discrete power MOSFETs and IGBTs effectively. One of the key differentiators of the FDA117 is its ability to generate a floating power source with up to 15.3 V voltage and 60 µA current, making it suitable for driving standard MOSFET devices and IGBTs.

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Electrical and Power November 2, 2023

SSA Series Current Shunt Resistors

Littelfuse, Inc. announced the launch of its SSA Series Current Shunt Resistors—the first of its kind in the Littelfuse portfolio. These two-terminal, ultra-low resistance shunt resistors are uniquely designed to meet the increasing demand for accurate current measurement in high-performance applications.

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I/O Systems, I/O Modules November 1, 2022

High Surge Rating SMD TVS Diodes

Littelfuse, Inc. (NASDAQ: LFUS), an industrial technology manufacturing company empowering a sustainable, connected, and safer world, announced the new SMTOAK2 TVS Diode Series. Many of today’s high-power, high surge rating TVS diodes are only available in axial leaded packages.

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Electrical and Power December 13, 2022

ITV9550 Battery Protector Series

Littelfuse Expands ITV9550 Battery Protector Series to Include 60 A Rating to Prevent Battery Pack Damage Designed for power tools, robotic appliances, and other consumer electronics applications CHICAGO, December 13, 2022 — Littelfuse, Inc. (NASDAQ: LFUS), an industrial technology manufacturing company empowering a sustainable, connected, and safer world, announced the extension of its ITV9550 surface-mountable Li-ion battery protector series. These fuses safeguard battery packs against overcurrent and overcharging (overvoltage) conditions. The latest ITV9550 addition provides a 60 amp, three-terminal fuse in a 9.5 x 5.0 mm footprint.

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Building Automation and Controls February 15, 2022

Xtreme Varistor series

Littelfuse, Inc. (NASDAQ: LFUS), a global manufacturer of leading technologies in circuit protection, power control, and sensing, today announced the Xtreme Varistor series. Constructed with a proprietary powder formulation developed by Littelfuse, these new, smaller varistors achieve robust surge performance that helps prevent damage, fire hazards, and catastrophic failure even under extreme circumstances.

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Electrical and Power February 2, 2022

Compact Cartridge Fuses with High-Current, High-Voltage Ratings

Littelfuse, Inc. (NASDAQ: LFUS), a global manufacturer of leading technologies in circuit protection, power control, and sensing, today announced the compact cartridge fuse series available that's rated at 500Vac/Vdc with current ratings from 40A to 63A and a 10,000A interrupting rating.  The 607 Series high-current, high-voltage cartridge fuse, designed for overcurrent protection applications, provides a robust solution for demanding high-voltage power supply circuits. The 500V fuse rating is suitable for both AC and DC inputs.

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Electrical, Power April 5, 2022

Pxxx0S3N SIDACtors

Littelfuse, Inc. (NASDAQ: LFUS), an industrial technology manufacturing company empowering a sustainable, connected, and safer world, announced the new Pxxx0S3N SIDACtor® Protection Thyristor Series, which safeguards exposed interfaces in industrial and ICT applications, including RS-485 data interfaces and AC/DC power supplies. Providing equipment in harsh environments with increased protection from severe overvoltage transients assists designers in complying with regulatory requirements. Available in a compact, DO-214AB (SMC) package, the Pxxx0S3N SIDACtor series is designed to provide 3kA (8/20) high-power surge protection with low thermal accumulation during long-term overvoltage events.

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