Semiconductor Fuses


  • Littelfuse PSX Series

    PSX

  • Littelfuse PSX series 1500 V dc high-speed square body fuses are specially designed to protect batte...More

  • Amps (A): 80, 100, 125, 160, 200, 250, 280, 315, 350, 400, 450, 500, 550, 630, 700, 800, 900, 1000, 1100, 1250 more

  • Interrupting Rating: 200kA@1500VDC

  • Opening: Very Fast-Acting (FF)

  • Littelfuse PSR High-Speed Fuse Series

    PSR Flush End

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

  • Amps (A): 40, 50, 050, 63, 063, 80, 080, 100, 125, 160, 200, 250, 280, 315, 350, 400, 450, 500, 550, 630 more

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

  • Opening: Very Fast-Acting (FF)

  • PSR Bolted Blade

    PSR Bolted Blade

  • 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: 100kA@1300VAC, 200kA@600VAC, 200kA@650VAC, 200kA@700VAC

  • Opening: Very Fast-Acting (FF)

  • Littelfuse PSR DIN Blade

    PSR DIN Blade

  • 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: 100kA@1300VAC, 200kA@600VAC, 200kA@650VAC, 200kA@700VAC

  • Opening: Very Fast-Acting (FF)

  • Littelfuse Microswitch Series

    MS

  • Littelfuse MS Series external mount Microswitches offer permanent blown fuse indication to PSR Serie...More

  • Information Not Available

  • Information Not Available

  • Information Not Available

  • Littelfuse MSXL Microswitch

    MSXL

  • Littelfuse MSXL Series external mount microswitches offer permanent blown fuse indication to PSX Ser...More

  • Information Not Available

  • Information Not Available

  • Information Not Available

  • Littelfuse L75QS

    L75QS

  • The L75QS 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

  • VDC (V): 750

  • Interrupting Rating: 50kA@750VDC

  • 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

  • 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

pdf icon PSX Series Datasheet

pdf icon PSX Series Datasheet (Mandarin)

pdf icon MSXL Series High-Speed Fuse Microswitch Datasheet

pdf icon MSXL Series High-Speed Fuse Microswitch Datasheet (Mandarin)

pdf icon MSXL Series High-Speed Fuse Microswitch Datasheet (Russian)

pdf icon PSX High-Speed Fuses Flyer

pdf icon PSX High-Speed Fuses Flyer - Russian

pdf icon OL-PSX1XLDB0000 2D Print

pdf icon OL-PSX1XLFL0000 2D Print

pdf icon OL-PSX1XLUB0000 2D Print

OL-PSX3XLDB0000 2D Print

pdf icon OL-PSX3XLFL0000 2D Print

pdf icon OL-PSX3XLUB0000 2D Print

PSX1XLDB0000X 3D Model STP

PSX1XLFL0000X 3D Model STP

PSX1XLUB0000X 3D Model STP

PSX3XLDB0000X 3D Model STP

PSX3XLFL0000X 3D Model STP

PSX3XLUB0000X 3D Model STP

tc icon PSX Time Current Curves

pdf icon POWR-SPEED® Fuse Cross Reference

This guide covers the most popular high-speed fuse types that Littelfuse has in stock and ready to ship.

pdf icon POWR-SPEED® Fuse Cross Reference - Mandarin

本指南涵盖Littelfuse最受欢迎的 高速熔断器类型,库存充足,可随 时发货!交叉引用旨在对快速识别 和产品选型作出指导。我们建议 您在进行替换之前查看全部适用 规格。

pdf icon POWR-SPEED® Catalog

These certified high-speed fuses are optimized for performance and efficiency to better protect your critical power semiconductors against short circuits. PF611

pdf icon POWR-SPEED® Catalog - Mandarin

高速半导体熔断器产品目录

pdf icon PSR Flush End Series Datasheet

pdf icon POWR-SPEED® Range of High-Speed Fuses - Flyer

Optimized protection for your power electronics.

pdf icon POWR-SPEED® Range of High-Speed Fuses Flyer - Mandarin

为您的电力电子设备提供最佳保护

PSR030-FL0000 3D Model STP

PSR030-FS0000 3D Model STP

PRS031-FL0000 3D Model STP

PSR031-FS0000 3D Model STP

PSR032-FL0000 3D Model STP

PSR032-FS0000 3D Model STP

PSR033-FL0000 3D Model STP

PSR033-FS0000 3D Model STP

PSR070-FL0000 3D Model STP

PSR070-FS0000 3D Model STP

PSR071-FL0000 3D Model STP

PSR071-FS0000 3D Model STP

PSR072-FL0000 3D Model STP

PSR072-FS0000 3D Model STP

PSR073FL0000 3D Model STP

PSR073-FS0000 3D Model STP

tc icon PSR30 Time Current Curves 40A-550A

tc icon PSR31 Time Current Curve 200A-800A

tc icon PSR32 Time Current Curve 400A-1100A