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
A50QS600-4 Mersen USA Newburyport-MA L.L.C.

A50QS600-4

500V 600A SEMICOND FUSE (A50Q

Mersen USA Newburyport-MA L.L.C.

8,808
RFQ
A50QS600-4 Datasheet

Datasheet

A50QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 600A 500 VAC 500 VDC Fast Blow Electrical, Industrial - - CSA, UR - 200kA AC, 87kA DC 2.000" Dia x 4.468" L (50.80mm x 113.49mm) - -
FLNR400.X Littelfuse Inc.

FLNR400.X

FUSE CRTRDGE 400A 250VAC/125VDC

Littelfuse Inc.

2,169
RFQ
FLNR400.X Datasheet

Datasheet

POWR-GARD® FLNR Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 400A 250 VAC 125 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 2.094" Dia x 8.626" L (53.19mm x 219.10mm) - -
A6D150R Mersen USA Newburyport-MA L.L.C.

A6D150R

600V 150A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

3,322
RFQ
A6D150R Datasheet

Datasheet

A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 150A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 100kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
A6D200R Mersen USA Newburyport-MA L.L.C.

A6D200R

600V 200A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

4,184
RFQ
A6D200R Datasheet

Datasheet

A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 200A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 100kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
A6D175R Mersen USA Newburyport-MA L.L.C.

A6D175R

600V 175A RK1 TD FUSE

Mersen USA Newburyport-MA L.L.C.

8,955
RFQ
A6D175R Datasheet

Datasheet

A6D-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 175A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 100kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
FWH-250A Eaton - Bussmann Electrical Division

FWH-250A

FUSE CARTRIDGE 250A 500VAC/VDC

Eaton - Bussmann Electrical Division

2,253
RFQ
FWH-250A Datasheet

Datasheet

FWH Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 250A 500 VAC 500 VDC - Electrical, Industrial - - CE, CSA, UR - 200kA AC, 50kA DC 1.500" Dia x 4.340" L (38.10mm x 110.24mm) - -
L75QS200.V Littelfuse Inc.

L75QS200.V

750VDC HIGHSPEED SEMICONDUCTOR F

Littelfuse Inc.

6,224
RFQ
L75QS200.V Datasheet

Datasheet

POWR-SPEED® L75QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 200A - 750 VDC Fast Blow Electrical, Industrial - - CE, cURus, UL -55°C ~ 125°C 50kA 1.218" Dia x 2.875" L (30.94mm x 73.03mm) - -
L75QS150.V Littelfuse Inc.

L75QS150.V

750VDC HIGHSPEED SEMICONDUCTOR F

Littelfuse Inc.

2,253
RFQ
L75QS150.V Datasheet

Datasheet

POWR-SPEED® L75QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 150A - 750 VDC Fast Blow Electrical, Industrial - - CE, cURus, UL -55°C ~ 125°C 50kA 1.218" Dia x 2.875" L (30.94mm x 73.03mm) - -
JLLS225.X Littelfuse Inc.

JLLS225.X

FUSE CRTRDGE 225A 600VAC/300VDC

Littelfuse Inc.

3,760
RFQ
JLLS225.X Datasheet

Datasheet

POWR-GARD® JLLS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 225A 600 VAC 300 VDC Fast Blow Electrical, Industrial - T CE, CSA, UL - 200kA 1.594" Dia x 1.720" L (40.50mm x 43.70mm) - -
A70QS300-4 Mersen USA Newburyport-MA L.L.C.

A70QS300-4

94833-FUSE,FORM 101

Mersen USA Newburyport-MA L.L.C.

3,041
RFQ
A70QS300-4 Datasheet

Datasheet

A70QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 300A 700 VAC 700 VDC Fast Blow Motor Protection - - CSA, UL - 200kA AC, 100kA DC 1.500" Dia x 5.079" L (38.10mm x 129.00mm) - -
A70QS400-4 Mersen USA Newburyport-MA L.L.C.

A70QS400-4

94879-FUSE,FORM 101

Mersen USA Newburyport-MA L.L.C.

2,925
RFQ
A70QS400-4 Datasheet

Datasheet

A70QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 400A 700 VAC 700 VDC Fast Blow Motor Protection - - CSA, UL - 200kA AC, 100kA DC 1.500" Dia x 5.079" L (38.10mm x 129.00mm) - -
0JLS175.X Littelfuse Inc.

0JLS175.X

FUSE CRTRDGE 175A 600VAC CYLINDR

Littelfuse Inc.

4,505
RFQ
0JLS175.X Datasheet

Datasheet

POWR-GARD® JLS Cylindrical, Blade Terminals Bulk Active Requires Holder Cartridge 175A 600 VAC - Fast Blow Electrical, Industrial - J CE, CSA, QPL, UL - 200kA 1.500" Dia x 3.000" L (38.10mm x 76.20mm) - -
L15S450.T Littelfuse Inc.

L15S450.T

FUSE CRTRDGE 450A 150VAC/100VDC

Littelfuse Inc.

4,748
RFQ
L15S450.T Datasheet

Datasheet

POWR-GARD® L15S Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 450A 150 VAC 100 VDC Fast Blow Semiconductors - - CE, CSA, UR - 100kA AC, 20kA DC 1.000" Dia x 1.157" L (25.40mm x 29.40mm) - -
L15S500.V Littelfuse Inc.

L15S500.V

FUSE CRTRDGE 500A 150VAC/100VDC

Littelfuse Inc.

1,225
RFQ
L15S500.V Datasheet

Datasheet

POWR-GARD® L15S Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 500A 150 VAC 100 VDC Fast Blow Semiconductors - - CE, CSA, UR - 100kA AC, 20kA DC 1.500" Dia x 1.252" L (38.10mm x 31.80mm) - -
SPFJ090.X Littelfuse Inc.

SPFJ090.X

FUSE CARTRIDGE 90A 1KVDC CYLINDR

Littelfuse Inc.

2,881
RFQ
SPFJ090.X Datasheet

Datasheet

POWR-GARD® SPFJ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 90A - 1 kVDC Fast Blow Solar (Photovoltaic) - J CE, UL - 20kA 1.500" Dia x 3.012" L (38.10mm x 76.50mm) - -
SPFJ160.XXL Littelfuse Inc.

SPFJ160.XXL

FUSE CARTRIDGE 160A 600VAC/1KVDC

Littelfuse Inc.

1,732
RFQ
SPFJ160.XXL Datasheet

Datasheet

POWR-GARD® SPFJ Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 160A 600 VAC 1 kVDC Fast Blow Solar (Photovoltaic) - - CE, UL - 200kA AC, 20kA DC 1.500" Dia x 3.012" L (38.10mm x 76.50mm) - -
TRS300R Mersen USA Newburyport-MA L.L.C.

TRS300R

600V 300A 11 5/8X2 9/16 T

Mersen USA Newburyport-MA L.L.C.

3,019
RFQ
TRS300R Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 300A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
TRS400R Mersen USA Newburyport-MA L.L.C.

TRS400R

600V 400A 11 5/8X2 9/16 T

Mersen USA Newburyport-MA L.L.C.

4,898
RFQ
TRS400R Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 400A 600 VAC 600 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
TRS300RID Mersen USA Newburyport-MA L.L.C.

TRS300RID

600V 300A TD RK5 FUSE SMARTSPO

Mersen USA Newburyport-MA L.L.C.

2,434
RFQ
TRS300RID Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 300A 600 VAC 600 VDC Slow Blow Electrical, Industrial Indicating RK5 CSA, UL - 200kA AC, 100kA DC 2.598" Dia x 11.614" L (66.00mm x 295.00mm) - -
A6K200R Mersen USA Newburyport-MA L.L.C.

A6K200R

FUSE,FAST ACTING,CLASSRK1,REJECT

Mersen USA Newburyport-MA L.L.C.

4,478
RFQ
A6K200R Datasheet

Datasheet

A6K-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 200A 600 VAC 300 VDC Fast Blow Electrical, Industrial - RK1 CSA, UL - 200kA AC, 20kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
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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.