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
TRS125R Mersen USA Newburyport-MA L.L.C.

TRS125R

600V 125A 9 5/8X1 13/16 T

Mersen USA Newburyport-MA L.L.C.

5,205
RFQ
TRS125R Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 125A 600 VAC 600 VDC Slow Blow Electrical, Industrial Indicating RK5 CSA, UL - 200kA AC, 100kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
TR300R Mersen USA Newburyport-MA L.L.C.

TR300R

250V 300A 8 5/8X2 1/10 TD

Mersen USA Newburyport-MA L.L.C.

3,293
RFQ
TR300R Datasheet

Datasheet

TR-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 300A 250 VAC 250 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 20kA DC 2.087" Dia x 8.622" L (53.00mm x 219.00mm) - -
L50S125.V Littelfuse Inc.

L50S125.V

FUSE CRTRDGE 125A 500VAC/450VDC

Littelfuse Inc.

3,524
RFQ
L50S125.V Datasheet

Datasheet

POWR-GARD® L50S Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 125A 500 VAC 450 VDC Fast Blow Semiconductors - - CE, CSA, UR - 200kA AC, 20kA DC 1.220" Dia x 2.126" L (31.00mm x 54.00mm) - -
TRS125RID Mersen USA Newburyport-MA L.L.C.

TRS125RID

600V 125A TD RK5 FUSE SMARTSPO

Mersen USA Newburyport-MA L.L.C.

2,741
RFQ
TRS125RID Datasheet

Datasheet

TRS-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 125A 600 VAC 600 VDC Slow Blow Electrical, Industrial Indicating RK5 CSA, UL - 200kA AC, 100kA DC 1.811" Dia x 9.606" L (46.00mm x 244.00mm) - -
170M1563D Eaton - Bussmann Electrical Division

170M1563D

FUSE SQUARE 40A 690VAC RECT

Eaton - Bussmann Electrical Division

2,133
RFQ
170M1563D Datasheet

Datasheet

- Rectangular, Blade Bulk Active Requires Holder Square 40A 690 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 2.087" L x 0.807" W x 2.047" H (53.00mm x 20.50mm x 52.00mm) - -
A70QS150-4K Mersen USA Newburyport-MA L.L.C.

A70QS150-4K

SC FUSE 700V 150A QS BLADE K

Mersen USA Newburyport-MA L.L.C.

1,442
RFQ
A70QS150-4K Datasheet

Datasheet

A70QS1 Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 150A 700 VAC 700 VDC Fast Blow Motor Protection - - CSA, UL - 200kA AC, 100kA DC 1.220" Dia x 5.079" L (31.00mm x 129.00mm) - -
TR400R Mersen USA Newburyport-MA L.L.C.

TR400R

250V 400A 8 5/8X2 1/10 TD

Mersen USA Newburyport-MA L.L.C.

3,813
RFQ
TR400R Datasheet

Datasheet

TR-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 400A 250 VAC 250 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 20kA DC 2.087" Dia x 8.622" L (53.00mm x 219.00mm) - -
170M1568D Eaton - Bussmann Electrical Division

170M1568D

FUSE SQUARE 125A 690V RECT

Eaton - Bussmann Electrical Division

1,741
RFQ
170M1568D Datasheet

Datasheet

- Rectangular, Blade Bulk Active Requires Holder Square 125A - - - - - - CE, CSA, UL - 200kA 2.087" L x 0.807" W x 2.047" H (53.00mm x 20.50mm x 52.00mm) - -
L75QS070.V Littelfuse Inc.

L75QS070.V

750VDC HIGHSPEED SEMICONDUCTOR F

Littelfuse Inc.

2,039
RFQ
L75QS070.V Datasheet

Datasheet

POWR-SPEED® L75QS Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 70A - 750 VDC Fast Blow Electrical, Industrial - - CE, cURus, UL -55°C ~ 125°C 50kA 1.000" Dia x 2.875" L (25.40mm x 73.03mm) - -
170M1569D Eaton - Bussmann Electrical Division

170M1569D

FUSE SQUARE 160A 690VAC RECT

Eaton - Bussmann Electrical Division

4,263
RFQ
170M1569D Datasheet

Datasheet

- Rectangular, Blade Bulk Active Requires Holder Square 160A 690 VAC - - Electrical, Industrial Indicating - CE, CSA, UR - 200kA 2.087" L x 0.807" W x 2.047" H (53.00mm x 20.50mm x 52.00mm) - -
TR250R Mersen USA Newburyport-MA L.L.C.

TR250R

250V 250A 8 5/8X2 1/10 TD

Mersen USA Newburyport-MA L.L.C.

8,583
RFQ
TR250R Datasheet

Datasheet

TR-R Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 250A 250 VAC 250 VDC Slow Blow Electrical, Industrial - RK5 CSA, UL - 200kA AC, 20kA DC 2.087" Dia x 8.622" L (53.00mm x 219.00mm) - -
A4J200 Mersen USA Newburyport-MA L.L.C.

A4J200

600V 200A CLASS J FUSE

Mersen USA Newburyport-MA L.L.C.

3,095
RFQ
A4J200 Datasheet

Datasheet

A4J Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 200A 600 VAC 300 VDC Fast Blow Electrical, Industrial - J CSA, UL - 200kA AC, 100kA DC 1.614" Dia x 5.748" L (41.00mm x 146.00mm) - -
AJT200N Mersen USA Newburyport-MA L.L.C.

AJT200N

600VAC 200A CLASS J TD FUSE

Mersen USA Newburyport-MA L.L.C.

2,798
RFQ
AJT200N Datasheet

Datasheet

AJT Cylindrical, Blade Terminal (Bolt) Bulk Active Bolt Mount Cartridge 200A 600 VAC 500 VDC Slow Blow Electrical, Industrial - J CSA, UL - 200kA AC, 100kA DC 1.614" Dia x 5.748" L (41.00mm x 146.00mm) - -
A6T250 Mersen USA Newburyport-MA L.L.C.

A6T250

FUSE,CLASS T,FAST ACTING,200KA A

Mersen USA Newburyport-MA L.L.C.

1,685
RFQ
A6T250 Datasheet

Datasheet

A6T250 Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 250A 600 VAC 300 VDC Fast Blow Electrical, Industrial - T CSA, UL - 200kA AC, 100kA DC 1.626" Dia x 3.626" L (41.30mm x 92.10mm) - -
A6T300 Mersen USA Newburyport-MA L.L.C.

A6T300

FUSE,CLASS T,FAST ACTING,200KA A

Mersen USA Newburyport-MA L.L.C.

2,139
RFQ
A6T300 Datasheet

Datasheet

A6T300 Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 300A 600 VAC 300 VDC Fast Blow Electrical, Industrial - T CSA, UL - 200kA AC, 100kA DC 1.626" Dia x 3.626" L (41.30mm x 92.10mm) - -
FLSR225.X Littelfuse Inc.

FLSR225.X

FUSE CRTRDGE 225A 600VAC/300VDC

Littelfuse Inc.

4,642
RFQ
FLSR225.X Datasheet

Datasheet

POWR-GARD® FLSR Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 225A 600 VAC 300 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 2.594" Dia x 11.626" L (65.90mm x 295.30mm) - -
FLSR150.X Littelfuse Inc.

FLSR150.X

FUSE CRTRDGE 150A 600VAC/300VDC

Littelfuse Inc.

3,795
RFQ
FLSR150.X Datasheet

Datasheet

POWR-GARD® FLSR Cylindrical, Blade Terminals Box Active Requires Holder Cartridge 150A 600 VAC 300 VDC Slow Blow Electrical, Industrial - RK5 CE, CSA, QPL, UL - 200kA AC, 20kA DC 1.843" Dia x 9.626" L (46.80mm x 244.50mm) - -
A6T400 Mersen USA Newburyport-MA L.L.C.

A6T400

FUSE,CLASS T,FAST ACTING,200KA A

Mersen USA Newburyport-MA L.L.C.

4,050
RFQ
A6T400 Datasheet

Datasheet

A6T Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 400A 600 VAC 300 VDC Fast Blow Electrical, Industrial - T CSA, UL - 200kA AC, 100kA DC 1.626" Dia x 3.626" L (41.30mm x 92.10mm) - -
JLLN250.XXP Littelfuse Inc.

JLLN250.XXP

FUSE CRTRDGE 250A 300VAC/125VDC

Littelfuse Inc.

2,240
RFQ
JLLN250.XXP Datasheet

Datasheet

POWR-GARD® JLLN Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 250A 300 VAC 125 VDC Fast Blow Electrical, Industrial - T CE, CSA, UL, UR - 200kA AC, 20kA DC 1.311" Dia x 2.752" L (33.30mm x 69.90mm) - -
JLLN450.X Littelfuse Inc.

JLLN450.X

FUSE CRTRDGE 450A 300VAC/125VDC

Littelfuse Inc.

3,863
RFQ
JLLN450.X Datasheet

Datasheet

POWR-GARD® JLLN Cylindrical, Blade Terminal (Bolt) Box Active Bolt Mount Cartridge 450A 300 VAC 125 VDC Fast Blow Electrical, Industrial - T CE, CSA, UL - 200kA AC, 20kA DC 1.594" Dia x 0.874" L (40.50mm x 22.20mm) - -
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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.