PSR High-Speed Square Body Fuses

Littelfuse PSR Series High-Speed Square Body Fuses are specially designed for the protection of power semiconductor devices. The fuses from Littelfuse combine extreme current limitation benefits with balanced performance levels to meet the precise requirements for protecting sensitive power electronics devices. These devices include diodes, triacs, IGBTs, SCRs, MOSFETs, and other solid-state devices that are typically designed for power conversion and power conditioning equipment.

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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Product
Current Rating
Voltage Rating AC
Fuse Type
Voltage Rating DC
Interrupt Rating
Termination Style
Class
Fuse Size/Group
Indicator Style
Packaging
Series
Littelfuse Industrial & Electrical Fuses 1800A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 1.8 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 2000A 700VAC SIZE 33 POWER-SPEED FLUSH M
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 2 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 450A 700V SIZE 33 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 450 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 500A 700V SIZE 33 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 500 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 550A 700V SIZE 33 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 550 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 630A 700V SIZE 33 Flush End In. Thred
Datasheet
12Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

Semiconductor Fuses 630 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 700A 700V SIZE 33 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 700 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 800A 700V SIZE 33 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 800 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 900A 700V SIZE 33 Flush End In. Thred
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 900 A 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1000A 700V SIZE 33 Flush End In. Thred
Datasheet
6Factory Stock Available
More Info Available
Min.: 3
Mult.: 3

Semiconductor Fuses 1 kA 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1100A 700VAC SIZE 33 POWER-SPEED FLUSH I
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 1.1 kA 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1250A 700VAC SIZE 33 POWER-SPEED FLUSH I
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 1.25 kA 700 VAC Fast-Acting Fuses 600 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1400A 700VAC SIZE 33 POWER-SPEED FLUSH I
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 1.4 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1500A 700VAC SIZE 33 POWER-SPEED FLUSH I
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 1.5 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1600A 700VAC SIZE 33 POWER-SPEED FLUSH I
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 1.6 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 1800A 700VAC SIZE 33 POWER-SPEED FLUSH I
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 1.8 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses 2000A 700VAC SIZE 33 POWER-SPEED FLUSH I
Datasheet
Non-Stocked Lead-Time 25 Weeks
Min.: 3
Mult.: 3

Semiconductor Fuses 2 kA 700 VAC Fast-Acting Fuses 500 VDC Quick Connect Class aR Fuses 33 Visual Side Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US LONG BL 450A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 450 A Fast-Acting Fuses Knife Blade Class aR Fuses 33 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US LONG BL 500A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 500 A Fast-Acting Fuses Knife Blade Class aR Fuses 33 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US LONG BL 550A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 550 A Fast-Acting Fuses Knife Blade Class aR Fuses 33 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US LONG BL 630A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 630 A Fast-Acting Fuses Knife Blade Class aR Fuses 33 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US LONG BL 700A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 700 A Fast-Acting Fuses Knife Blade Class aR Fuses 33 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US LONG BL 800A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 800 A Fast-Acting Fuses Knife Blade Class aR Fuses 33 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US LONG BL 900A
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 900 A Fast-Acting Fuses Knife Blade Class aR Fuses 33 Visual Indicator Bulk PSR
Littelfuse Industrial & Electrical Fuses POWR-SPEED SQB SIZE 33 US LONG BL 1000A
Datasheet
Non-Stocked Lead-Time 15 Weeks
Min.: 1
Mult.: 1

Semiconductor Fuses 1 kA Fast-Acting Fuses Knife Blade Class aR Fuses 33 Visual Indicator Bulk PSR