Skip to main content Skip to search Skip to main navigation

Littelfuse L25S150 Semiconductor Fuse 150A Very Fast-Acting 20000A 250VDC

Brand SKU 371705

Documents

Manufactured by Littelfuse, the L25S150 from the L25S Series is a highly efficient semiconductor fuse designed to meet stringent electrical requirements. With a remarkable interrupting rating of up to 200,000 amperes, this fuse ensures reliable interruption of all overcurrents, safeguarding sensitive components and systems from damage. Its fast-acting response allows for swift disconnection from power, offering exceptional protection for various applications. Recognized under the components program of Underwriters Laboratories, this fuse not only meets current safety standards but is also suitable for supplementary protection in UL listed equipment, making it an essential choice for engineers and technicians looking for dependable circuit protection solutions.

  • UL Recognized and CSA Recognized for safety and compliance assurance
  • Very fast-acting for rapid circuit interruption
  • High interrupting rating of 20 kA AC and DC for reliable overcurrent protection
  • Extremely current limiting with low I2t and peak let-through currents
  • Designed specifically for semiconductor device protection
  • Class aR fuse suitable for semiconductor equipment protection
  • Direct bus-bar or stud mount design for secure and easy installation
  • Wide operating temperature range from -55 °C to +125 °C
  • Constructed with melamine body and silver-plated copper alloy caps for durability and conductivity
  • RoHS compliant for environmentally responsible applications
  • Voltage: 250 V AC, 250 V DC
  • Amperage: 150 A
  • Interrupting Rating: 20 kA AC, 20 kA DC
  • Opening Speed: Very Fast-Acting (FF)
  • Time Constant: 10 ms
  • Material: Melamine Body, Copper Alloy Silver Plated Caps
  • Class: aR
  • Compliance: UL Recognized, CSA Recognized, RoHS
  • Operating Temperature: -55 °C to +125 °C
  • Storage Temperature: Up to 35 °C, <65% RH
  • Country of Origin: Mexico

Datasheets

L25S Series Datasheet

RoHS Declaration

ChinaRoHS_L25S pdf

Certification

CSA 1422-30 029862
CE L25S Series

ICP Test Report

ICPTest_L25S pdf