Fuses

Manufacturer Package/Case Series Packaging Product Status Mounting Type Fuse Type Current Rating (Amps) Voltage Rating - AC Voltage Rating - DC Response Time Breaking Capacity @ Rated Voltage Melting I²t Approval Agency Operating Temperature Color Size / 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Photo Mfr. Part # Availability Price Quantity Datasheet Package/Case Series Packaging Product Status Mounting Type Fuse Type Current Rating (Amps) Voltage Rating - AC Voltage Rating - DC Response Time Breaking Capacity @ Rated Voltage Melting I²t Approval Agency Operating Temperature Color Size / Dimension
BK/EFF-500MA Eaton - Electronics Division

BK/EFF-500MA

FUSE BRD MNT 500MA 250VAC RADIAL

Eaton - Electronics Division

7,988
RFQ
BK/EFF-500MA Datasheet

Datasheet

EFF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 500 mA 250 V - Fast Blow 50A 0.15 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/EFF-630MA Eaton - Electronics Division

BK/EFF-630MA

FUSE BRD MNT 630MA 250VAC RADIAL

Eaton - Electronics Division

8,576
RFQ
BK/EFF-630MA Datasheet

Datasheet

EFF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 630 mA 250 V - Fast Blow 50A 0.12 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/EFF-800MA Eaton - Electronics Division

BK/EFF-800MA

FUSE BRD MNT 800MA 250VAC RADIAL

Eaton - Electronics Division

8,919
RFQ
BK/EFF-800MA Datasheet

Datasheet

EFF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 800 mA 250 V - Fast Blow 50A 0.21 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-1 Eaton - Electronics Division

BK/ETF-1

FUSE BOARD MNT 1A 277VAC RADIAL

Eaton - Electronics Division

8,869
RFQ
BK/ETF-1 Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 1 A 277 V - Slow Blow 100A 5.9 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-1.25 Eaton - Electronics Division

BK/ETF-1.25

FUSE BRD MNT 1.25A 277VAC RADIAL

Eaton - Electronics Division

7,586
RFQ
BK/ETF-1.25 Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 1.25 A 277 V - Slow Blow 100A 9.0 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-1.6 Eaton - Electronics Division

BK/ETF-1.6

FUSE BOARD MNT 1.6A 277VAC RAD

Eaton - Electronics Division

9,323
RFQ
BK/ETF-1.6 Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 1.6 A 277 V - Slow Blow 100A 15.0 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-100MA Eaton - Electronics Division

BK/ETF-100MA

FUSE BRD MNT 100MA 277VAC RADIAL

Eaton - Electronics Division

5,857
RFQ
BK/ETF-100MA Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 100 mA 277 V - Slow Blow 100A 0.02 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-125MA Eaton - Electronics Division

BK/ETF-125MA

FUSE BRD MNT 125MA 277VAC RADIAL

Eaton - Electronics Division

7,318
RFQ
BK/ETF-125MA Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 125 mA 277 V - Slow Blow 100A 0.04 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-2 Eaton - Electronics Division

BK/ETF-2

FUSE BOARD MNT 2A 277VAC RADIAL

Eaton - Electronics Division

9,020
RFQ
BK/ETF-2 Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 2 A 277 V - Slow Blow 100A 23.0 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-3.15 Eaton - Electronics Division

BK/ETF-3.15

FUSE BRD MNT 3.15A 277VAC RADIAL

Eaton - Electronics Division

5,145
RFQ
BK/ETF-3.15 Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 3.15 A 277 V - Slow Blow 100A 58.0 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-4 Eaton - Electronics Division

BK/ETF-4

FUSE BOARD MNT 4A 277VAC RADIAL

Eaton - Electronics Division

4,668
RFQ
BK/ETF-4 Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 4 A 277 V - Slow Blow 100A 92.0 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-5 Eaton - Electronics Division

BK/ETF-5

FUSE BOARD MNT 5A 277VAC RADIAL

Eaton - Electronics Division

5,903
RFQ
BK/ETF-5 Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 5 A 277 V - Slow Blow 100A 145.0 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-500MA Eaton - Electronics Division

BK/ETF-500MA

FUSE BRD MNT 500MA 277VAC RADIAL

Eaton - Electronics Division

5,511
RFQ
BK/ETF-500MA Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 500 mA 277 V - Slow Blow 100A 1.5 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-6.3 Eaton - Electronics Division

BK/ETF-6.3

FUSE BOARD MNT 6.3A 277VAC RAD

Eaton - Electronics Division

7,846
RFQ
BK/ETF-6.3 Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 6.3 A 277 V - Slow Blow 100A 230.0 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-800MA Eaton - Electronics Division

BK/ETF-800MA

FUSE BRD MNT 800MA 277VAC RADIAL

Eaton - Electronics Division

4,697
RFQ
BK/ETF-800MA Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 800 mA 277 V - Slow Blow 100A 3.7 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/ETF-80MA Eaton - Electronics Division

BK/ETF-80MA

FUSE BOARD MNT 80MA 277VAC RAD

Eaton - Electronics Division

5,947
RFQ
BK/ETF-80MA Datasheet

Datasheet

ETF Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 80 mA 277 V - Slow Blow 100A 0.01 SEMKO, UL -55°C ~ 125°C - 0.329" Dia x 0.303" H (8.35mm x 7.70mm)
BK/S505-V-1.25R Eaton - Electronics Division

BK/S505-V-1.25R

FUSE CERAMIC 1.25A 250VAC 5X20MM

Eaton - Electronics Division

5,646
RFQ
BK/S505-V-1.25R Datasheet

Datasheet

S505 Bulk Obsolete Through Hole Cartridge, Ceramic 1.25 A 250 V - Slow Blow 1.5kA 2.22 BSI, CCC/CQC, CSA, cULus, IMQ, KC, PSE/JET, SEMKO, VDE - - 0.218" Dia x 0.831" L (5.54mm x 21.10mm)
BK/S505-V-1.6-R Eaton - Electronics Division

BK/S505-V-1.6-R

FUSE CERAMIC 1.6A 250VAC 5X20MM

Eaton - Electronics Division

8,389
RFQ
BK/S505-V-1.6-R Datasheet

Datasheet

S505 Bulk Obsolete Through Hole Cartridge, Ceramic 1.6 A 250 V - Slow Blow 1.5kA 6.78 BSI, CCC/CQC, CSA, cULus, IMQ, KC, PSE/JET, SEMKO, VDE - - 0.218" Dia x 0.831" L (5.54mm x 21.10mm)
BK/S505-V-2.5-R Eaton - Electronics Division

BK/S505-V-2.5-R

FUSE CERAMIC 2.5A 250VAC 5X20MM

Eaton - Electronics Division

7,006
RFQ
BK/S505-V-2.5-R Datasheet

Datasheet

S505 Bulk Obsolete Through Hole Cartridge, Ceramic 2.5 A 250 V - Slow Blow 1.5kA 16.6 BSI, CCC/CQC, CSA, cULus, IMQ, KC, PSE/JET, SEMKO, VDE - - 0.218" Dia x 0.831" L (5.54mm x 21.10mm)
BK/S505-V-3.15R Eaton - Electronics Division

BK/S505-V-3.15R

FUSE CERAMIC 3.15A 250VAC 5X20MM

Eaton - Electronics Division

7,865
RFQ
BK/S505-V-3.15R Datasheet

Datasheet

S505 Bulk Obsolete Through Hole Cartridge, Ceramic 3.15 A 250 V - Slow Blow 1.5kA 36.6 BSI, CCC/CQC, CSA, cULus, IMQ, KC, PSE/JET, SEMKO, VDE - - 0.218" Dia x 0.831" L (5.54mm x 21.10mm)

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 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 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.

Fuses FAQ

Can FPGAX source both active and end-of-life 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 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.