Semiconductor Fuses

PSR Flush End Series – High-Speed Semiconductor Fuse, Square Body

Littelfuse PSR Flush End, High-Speed Fuses Provide Superior Protection

Datasheet

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 @ 1000 Vac, 100 kA @ 1050 Vac, 100 kA @ 1100 Vac, 100 kA @ 1200 Vac, 100 kA @ 1300 Vac, 100 kA @ 900 Vac, 200 kA @ 500 Vac, 200 kA @ 550 Vac, 200 kA @ 600 Vac, 200 kA @ 650 Vac more

Opening:
Very Fast-Acting (FF)

Series Details

PSR Bolted Blade Series – High-Speed Semiconductor Fuse, Square Body

Littelfuse PSR Bolted Blade, High-Speed Fuses Provide Superior Protection

Datasheet

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 @ 1000 Vac, 100 kA @ 1050 Vac, 100 kA @ 1100 Vac, 100 kA @ 1200 Vac, 100 kA @ 1300 Vac, 100 kA @ 900 Vac, 200 kA @ 500 Vac, 200 kA @ 550 Vac, 200 kA @ 600 Vac, 200 kA @ 650 Vac more

Opening:
Very Fast-Acting (FF)

Series Details

PSR DIN Blade Series – High-Speed Semiconductor Fuse, Square Body

Littelfuse PSR DIN Blade, High-Speed Fuses Provide Superior Protection

Datasheet

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 @ 1000 Vac, 100 kA @ 1050 Vac, 100 kA @ 1100 Vac, 100 kA @ 1200 Vac, 100 kA @ 1300 Vac, 100 kA @ 900 Vac, 200 kA @ 500 Vac, 200 kA @ 550 Vac, 200 kA @ 600 Vac, 200 kA @ 650 Vac more

Opening:
Very Fast-Acting (FF)

Series Details

L50QS Series – High-Speed Semiconductor Fuse, Round Body

Littelfuse L50QS High-Speed Fuses Provide Superior Protection

Datasheet

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

Interrupting Rating:
200 kA @ 500 Vac

Opening:
Very Fast-Acting (FF)

Series Details

L70QS Series – High-Speed Semiconductor Fuse, Round Body

Littelfuse L70QS High-Speed Fuses Provide Superior Protection

Datasheet

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

Interrupting Rating:
200 kA @ 700 Vac

Opening:
Very Fast-Acting (FF)

Series Details

L75QS Series – High-Speed Semiconductor Fuse, Round Body

Littelfuse L75QS High-Speed Fuses Provide Superior Protection

Datasheet

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

Interrupting Rating:
50 kA @ 750 Vdc

Opening:
Very Fast-Acting (FF)

Series Details

L70S Series – High-Speed Semiconductor Fuse

Littelfuse L70S High-Speed Fuses Provide Superior Protection

Datasheet

Amps (A):
10, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200, 225, 250, 300 more

Interrupting Rating:
20 kA @ 650 Vdc

Opening:
Very Fast-Acting (FF)

Series Details

L50S Series – High-Speed Semiconductor Fuse

Littelfuse L50S High-Speed Fuses Provide Superior Protection

Datasheet

Amps (A):
10, 12, 15, 20, 25, 30, 35, 40, 50, 60, 70, 80, 90, 100, 125, 150, 175, 200, 225, 250 more

Interrupting Rating:
20 kA @ 450 Vdc, 200 kA @ 500 Vac

Opening:
Very Fast-Acting (FF)

Series Details

L15S Series – High-Speed Semiconductor Fuse

Littelfuse L15S High-Speed Fuses Provide Superior Protection

Datasheet

Amps (A):
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 15, 20, 25, 30, 35, 40, 45, 50, 60 more

Interrupting Rating:
100 kA @ 150 Vac, 20 kA @ 100 Vdc

Opening:
Very Fast-Acting (FF)

Series Details

L25S Series – High-Speed Semiconductor Fuse

Littelfuse L25S High-Speed Fuses Provide Superior Protection

Datasheet

Amps (A):
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80 more

Interrupting Rating:
20 kA @ 200 Vdc, 20 kA @ 250 Vdc

Opening:
Very Fast-Acting (FF)

Series Details

L60S Series – High-Speed Semiconductor Fuse

Littelfuse L60S High-Speed Fuses Provide Superior Protection

Datasheet

Amps (A):
1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17.5, 20, 25, 30, 35, 40, 45, 50, 60, 70 more

Interrupting Rating:
200 kA @ 600 Vac

Opening:
Very Fast-Acting (FF)

Series Details

PSX Series – High-Speed Semiconductor Fuse, Square Body

Littelfuse PSX High-Speed Fuses Provide Superior Protection

Datasheet

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:
250 kA @ 1500 Vdc

Opening:
aBat

Series Details