Littelfuse Semiconductor Fuse Wins EC&M 2020 Protective Devices Category Award

CHICAGO, May 12, 2020 — Littelfuse, Inc. (NASDAQ: LFUS), a global manufacturer of leading technologies in circuit protection, power control and sensing, today announced it earned EC&M Magazine’s 2020 Protective Devices Category Award for its POWR-SPEED PSR series of high-speed fuses with bladed mounting options. The 31 category winners will compete for the EC&M 2020 Product of the Year Platinum, Gold and Silver awards, which will be determined by an online poll of EC&M subscribers between May 25 and June 21, 2020 at

"Littelfuse is honored to be recognized for its expansion of the PSR series of fuses with 275 new bolted and DIN mounting options in various sizes and amperages," said Sakthidharan Krishnamoorthy, Littelfuse product manager, Industrial Business Unit. "We wanted to help extend the life of power semiconductor devices to an even broader range of applications with a wider selection of PSR fuses that are engineered to optimize protection and reduce the amount of short circuit current."

Benefits of the PSR series include:

  • Different mounting terminations, including bladed and flush mount options, to meet a wider range of applications
  • Unique silicon sealant prevents filler leakage to increase fuse reliability and keep equipment safe
  • Up to 20 percent more DC voltage in standard package size than existing products
  • Up to 70 percent more DC interrupting rating than existing products
  • Third-party DC certification printed on product label, along with extensive published DC information with global certifications, help streamline UL inspections

These fuses are ideal for:

  • Power conversion device protection (UPS, inverters, rectifiers, drives)
  • Battery protection applications (energy storage systems)
  • Electric vehicle charging stations
  • High power DC systems (DC common bus, DC injection braking)
  • Heaters and welding equipment
  • Power supplies

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About Littelfuse

Littelfuse (NASDAQ: LFUS) is a global manufacturer of leading technologies in circuit protection, power control and sensing. Serving over 100,000 end customers, our products are found in automotive and commercial vehicles, industrial applications, data and telecommunications, medical devices, consumer electronics and appliances. Our 11,000 worldwide associates partner with customers to design, manufacture and deliver innovative, high-quality solutions, for a safer, greener, and increasingly connected world — everywhere, every day. Learn more at