Semiconductor Fuses


  • KLC

  • 600 Vac - Traditional Semiconductor Fuse

  • Amps (A): 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 15, 17.5, 20, 25, 30, 35, 40, 45, 50, 60 more

  • VAC (V): 600

  • Interrupting Rating: 200 kA @ 600 Vac

  • L50QS

  • The L50QS Series is a next generation High-Speed Fuse for the protection of power semiconductor devi...More

  • Amps (A): 35, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200, 225, 250, 275, 300, 325, 350, 400, 450 more

  • VAC (V): 500

  • VDC (V): 500

  • L70QS

  • The L70QS Series is a next generation High-Speed Fuse for the protection of power semiconductor devi...More

  • Amps (A): 35, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200, 225, 250, 300, 350, 400, 450, 500, 600 more

  • VAC (V): 700

  • VDC (V): 700

  • PSR Flush End

  • Littelfuse PSR Series High-Speed Square Body Fuses are specially designed for protection of power se...More

  • Amps (A): 40, 50, 63, 80, 100, 125, 160, 200, 250, 280, 315, 350, 400, 450, 500, 550, 630, 700, 800, 900 more

  • Interrupting Rating: 100 kA @ 1300 Vac, 200 kA @ 600 Vac, 200 kA @ 650 Vac, 200 kA @ 700 Vac

  • Opening: Very Fast-Acting (FF)