Fuses
Use the filters and product table below to compare Fuses components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| 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-4FUSE BOARD MNT 4A 250VAC RADIAL |
6,451 | - |
|
Datasheet | EFF | Bulk | Obsolete | Through Hole | Board Mount (Cartridge Style Excluded) | 4 A | 250 V | - | Fast Blow | 50A | 9.0 | SEMKO, UL | -55°C ~ 125°C | - | 0.329" Dia x 0.303" H (8.35mm x 7.70mm) | |
|
|
BK/EFF-400MAFUSE BRD MNT 400MA 250VAC RADIAL |
6,761 | - |
|
Datasheet | EFF | Bulk | Obsolete | Through Hole | Board Mount (Cartridge Style Excluded) | 400 mA | 250 V | - | Fast Blow | 50A | 0.08 | SEMKO, UL | -55°C ~ 125°C | - | 0.329" Dia x 0.303" H (8.35mm x 7.70mm) | |
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|
BK/EFF-5FUSE BOARD MNT 5A 250VAC RADIAL |
4,454 | - |
|
Datasheet | EFF | Bulk | Obsolete | Through Hole | Board Mount (Cartridge Style Excluded) | 5 A | 250 V | - | Fast Blow | 50A | 16.0 | SEMKO, UL | -55°C ~ 125°C | - | 0.329" Dia x 0.303" H (8.35mm x 7.70mm) | |
|
|
BK/EFF-500MAFUSE BRD MNT 500MA 250VAC RADIAL |
7,988 | - |
|
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) | |
|
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BK/EFF-630MAFUSE BRD MNT 630MA 250VAC RADIAL |
8,576 | - |
|
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) | |
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BK/EFF-800MAFUSE BRD MNT 800MA 250VAC RADIAL |
8,919 | - |
|
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-1FUSE BOARD MNT 1A 277VAC RADIAL |
8,869 | - |
|
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) | |
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BK/ETF-1.25FUSE BRD MNT 1.25A 277VAC RADIAL |
7,586 | - |
|
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) | |
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BK/ETF-1.6FUSE BOARD MNT 1.6A 277VAC RAD |
9,323 | - |
|
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) | |
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BK/ETF-100MAFUSE BRD MNT 100MA 277VAC RADIAL |
5,857 | - |
|
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) |
Fuses FAQ
Common questions about filtering, comparing and sourcing Fuses components.
How can I narrow the Fuses selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific Fuses part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
