Electrical, Specialty Fuses

Manufacturer Series Package / Case Packaging Product Status Mounting Type Fuse Type Current Rating (Amps) Voltage Rating - AC Voltage Rating - DC Response Time Applications Features Class Approval Agency Operating Temperature Breaking Capacity @ Rated Voltage Size / Dimension Grade Qualification






























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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Photo Mfr. Part # Availability Price Quantity Datasheet Series Package / Case Packaging Product Status Mounting Type Fuse Type Current Rating (Amps) Voltage Rating - AC Voltage Rating - DC Response Time Applications Features Class Approval Agency Operating Temperature Breaking Capacity @ Rated Voltage Size / Dimension Grade Qualification
PSR070FS0350Z Littelfuse Inc.

PSR070FS0350Z

FUSES POWR-SPEED

Littelfuse Inc.

6,092
RFQ
PSR070FS0350Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 350A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm) - -
PSR070FL0350Z Littelfuse Inc.

PSR070FL0350Z

FUSES POWR-SPEED

Littelfuse Inc.

8,471
RFQ
PSR070FL0350Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 350A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm) - -
PSR070FS0400Z Littelfuse Inc.

PSR070FS0400Z

FUSES POWR-SPEED

Littelfuse Inc.

6,080
RFQ
PSR070FS0400Z Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Requires Holder Square 400A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.913" L x 1.693" W x 1.929" H (74.00mm x 43.00mm x 49.00mm) - -
LPJ-175SP Eaton - Bussmann Electrical Division

LPJ-175SP

FUSE CRTRDGE 175A 600VAC/300VDC

Eaton - Bussmann Electrical Division

2,988
RFQ
LPJ-175SP Datasheet

Datasheet

LOW-PEAK™ LPJ Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 175A 600 VAC 300 VDC Slow Blow Electrical, Industrial - J CE, CSA, UL - 300kA AC, 100kA DC 1.500" Dia x 3.000" L (38.10mm x 76.20mm) - -
PSR072FS0500Z Littelfuse Inc.

PSR072FS0500Z

FUSE SQUARE 500A 1.3KVAC/1KVDC

Littelfuse Inc.

2,701
RFQ
PSR072FS0500Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 500A 1.3 kVAC 1 kVDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.953" L x 2.362" W x 2.598" H (75.00mm x 60.00mm x 66.00mm) - -
PSR072UL0500X Littelfuse Inc.

PSR072UL0500X

FUSE SQUARE 500A 1.3KVAC/1KVDC

Littelfuse Inc.

1,889
RFQ
PSR072UL0500X Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 500A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.843" L x 2.362" W x 2.598" H (72.20mm x 60.00mm x 66.00mm) - -
PSR032FL1100Z Littelfuse Inc.

PSR032FL1100Z

FUSE SQUARE 1.1KA 700VAC/600VDC

Littelfuse Inc.

2,541
RFQ
PSR032FL1100Z Datasheet

Datasheet

POWR-SPEED® PSR - Bulk Active Bolt Mount Square 1.1kA 700 VAC 600 VDC Fast Blow Semiconductors - - CCC, CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 2.008" L x 2.362" W x 2.598" H (51.00mm x 60.00mm x 66.00mm) - -
PSR032DS1250X Littelfuse Inc.

PSR032DS1250X

FUSES POWR-SPEED

Littelfuse Inc.

1,502
RFQ
PSR032DS1250X Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 1.25kA 600 VAC 550 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.937" L x 2.362" W x 2.598" H (49.20mm x 60.00mm x 66.00mm) - -
PSR032US1250X Littelfuse Inc.

PSR032US1250X

FUSES POWR-SPEED

Littelfuse Inc.

4,843
RFQ
PSR032US1250X Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 1.25kA 600 VAC 550 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.937" L x 2.362" W x 2.598" H (49.20mm x 60.00mm x 66.00mm) - -
PSR073UL0450X Littelfuse Inc.

PSR073UL0450X

FUSE SQUARE 450A 1.3KVAC/1KVDC

Littelfuse Inc.

2,712
RFQ
PSR073UL0450X Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 450A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) - -
PSR073UL0350X Littelfuse Inc.

PSR073UL0350X

FUSE SQUARE 350A 1.3KVAC/1KVDC

Littelfuse Inc.

2,029
RFQ
PSR073UL0350X Datasheet

Datasheet

POWR-SPEED® PSR - Box Active Bolt Mount Square 350A 1.3 kVAC 1 kVDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.894" W x 3.130" H (73.20mm x 73.50mm x 79.50mm) - -
PSR032DS1400X Littelfuse Inc.

PSR032DS1400X

FUSES POWR-SPEED

Littelfuse Inc.

1,009
RFQ
PSR032DS1400X Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 1.4kA 500 VAC 450 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.937" L x 2.362" W x 2.598" H (49.20mm x 60.00mm x 66.00mm) - -
PSR032DS1500X Littelfuse Inc.

PSR032DS1500X

FUSES POWR-SPEED

Littelfuse Inc.

1,958
RFQ
PSR032DS1500X Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 1.5kA 500 VAC 450 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.937" L x 2.362" W x 2.598" H (49.20mm x 60.00mm x 66.00mm) - -
PSR032US1500X Littelfuse Inc.

PSR032US1500X

FUSES POWR-SPEED

Littelfuse Inc.

1,763
RFQ
PSR032US1500X Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 1.5kA 500 VAC 450 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 200kA AC, 150kA DC 1.937" L x 2.362" W x 2.598" H (49.20mm x 60.00mm x 66.00mm) - -
L75QS500.X Littelfuse Inc.

L75QS500.X

750VDC HIGHSPEED SEMICONDUCTOR F

Littelfuse Inc.

1,945
RFQ
L75QS500.X Datasheet

Datasheet

POWR-SPEED® L75QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 500A - 750 VDC Fast Blow Electrical, Industrial - - CE, cURus, UL -55°C ~ 125°C 50kA 2.000" Dia x 2.844" L (50.80mm x 72.24mm) - -
FRS-R-300 Eaton - Bussmann Electrical Division

FRS-R-300

FUSE CRTRDGE 300A 600VAC/300VDC

Eaton - Bussmann Electrical Division

2,601
RFQ
FRS-R-300 Datasheet

Datasheet

Fusetron™ FRS-R Cartridge, Non-Standard Bulk Active Requires Holder Cartridge 300A 600 VAC 300 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, UL - 200kA AC, 20kA DC 2.340" Dia x 11.630" L (59.44mm x 295.40mm) - -
FRS-R-400 Eaton - Bussmann Electrical Division

FRS-R-400

FUSE CRTRDGE 400A 600VAC/300VDC

Eaton - Bussmann Electrical Division

3,383
RFQ
FRS-R-400 Datasheet

Datasheet

Fusetron™ FRS-R Cartridge, Non-Standard Bulk Active Requires Holder Cartridge 400A 600 VAC 300 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, UL - 200kA AC, 20kA DC 2.340" Dia x 11.630" L (59.44mm x 295.40mm) - -
PSR072DL0700X Littelfuse Inc.

PSR072DL0700X

FUSES POWR-SPEED

Littelfuse Inc.

3,433
RFQ
PSR072DL0700X Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 700A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.362" W x 2.598" H (73.20mm x 60.00mm x 66.00mm) - -
PSR072UL0700X Littelfuse Inc.

PSR072UL0700X

FUSES POWR-SPEED

Littelfuse Inc.

7,111
RFQ
PSR072UL0700X Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 700A 1.2 kVAC 900 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.882" L x 2.362" W x 2.598" H (73.20mm x 60.00mm x 66.00mm) - -
PSR073UL0900X Littelfuse Inc.

PSR073UL0900X

FUSES POWR-SPEED

Littelfuse Inc.

2,332
RFQ
PSR073UL0900X Datasheet

Datasheet

POWR-SPEED® PSR Rectangular, Blade Bulk Active Bolt Mount Square 900A 1.05 kVAC 800 VDC Fast Blow Semiconductors Indicating - CE, cURus, UL -55°C ~ 125°C 100kA AC, 150kA DC 2.921" L x 2.894" W x 3.130" H (74.20mm x 73.50mm x 79.50mm) - -
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Electrical, Specialty Fuses Electronic Components Sourcing and Lifecycle Support

FPGAX is a global sourcing partner specializing in FPGA and programmable logic solutions for engineering and manufacturing organizations worldwide. For customers sourcing Electrical, Specialty Fuses components, we support both current production requirements and long-term component availability across demanding product lifecycles.

Our sourcing approach combines traceability, supply stability, and technical coordination. FPGAX is certified to AS9120B, ISO 9001:2008, and ISO 14001 standards and supports procurement programs where continuity, documentation, and dependable component supply are important.

How FPGAX Supports Electrical, Specialty Fuses Requirements

  • Active component sourcing: support for current FPGA, programmable logic, and related semiconductor requirements.
  • End-of-life sourcing: assistance with obsolete and hard-to-find parts when designs must remain in production.
  • Lifecycle management: sourcing support during product transitions, allocation periods, and supply interruptions.
  • Design continuity: long-term supply support intended to reduce redesign pressure and production disruption.
  • Major programmable logic brands: sourcing coverage includes Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic.

Supply Support at a Glance

Requirement FPGAX Support
Current production Active FPGA, programmable logic, and semiconductor component sourcing
Legacy programs End-of-life and hard-to-find component sourcing
Supply continuity Lifecycle transition and long-term availability support
Quality requirements Traceable sourcing and quality-management processes

Focused on FPGA and Programmable Logic Supply

FPGAX focuses on helping customers maintain access to critical programmable devices throughout the full component lifecycle. Whether the requirement is for a current design, an established production program, or an older platform facing component obsolescence, our goal is to provide a stable sourcing path and help customers maintain design and manufacturing continuity.

Electrical, Specialty Fuses FAQ

Can FPGAX source both active and end-of-life Electrical, Specialty Fuses components?

Yes. FPGAX supports sourcing for both active components and end-of-life or hard-to-find parts, with an emphasis on maintaining supply continuity for engineering and manufacturing programs.

Which programmable logic manufacturers does FPGAX support?

Our core sourcing coverage includes major FPGA and programmable logic manufacturers such as Xilinx, Intel/Altera, Lattice, Microchip, and QuickLogic, subject to specific part requirements and availability.

How does FPGAX help with component lifecycle changes?

We support customers through lifecycle transitions by helping locate current or legacy supply, reducing exposure to supply disruptions, and supporting long-term availability for designs that need to remain in production.

What quality and traceability standards does FPGAX follow?

FPGAX states certification to AS9120B, ISO 9001:2008, and ISO 14001 standards. Our sourcing services are structured around traceability, stable supply, and quality-management requirements.

What information should I provide for a Electrical, Specialty Fuses sourcing request?

Providing the manufacturer part number, required quantity, target delivery schedule, and any lifecycle or traceability requirements helps us evaluate the sourcing request more efficiently.