Fuses
Explore Fuses parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| Photo | Mfr. Part # | Availability | 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-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) | |
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BK/ETF-125MAFUSE BRD MNT 125MA 277VAC RADIAL |
7,318 |
|
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) | |
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BK/ETF-2FUSE BOARD MNT 2A 277VAC RADIAL |
9,020 |
|
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) | |
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BK/ETF-3.15FUSE BRD MNT 3.15A 277VAC RADIAL |
5,145 |
|
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) | |
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BK/ETF-4FUSE BOARD MNT 4A 277VAC RADIAL |
4,668 |
|
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) | |
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BK/ETF-5FUSE BOARD MNT 5A 277VAC RADIAL |
5,903 |
|
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) | |
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BK/ETF-500MAFUSE BRD MNT 500MA 277VAC RADIAL |
5,511 |
|
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) | |
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BK/ETF-6.3FUSE BOARD MNT 6.3A 277VAC RAD |
7,846 |
|
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) | |
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BK/ETF-800MAFUSE BRD MNT 800MA 277VAC RADIAL |
4,697 |
|
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) | |
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BK/ETF-80MAFUSE BOARD MNT 80MA 277VAC RAD |
5,947 |
|
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) | |
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BK/S505-V-1.25RFUSE CERAMIC 1.25A 250VAC 5X20MM |
5,646 |
|
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) | |
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BK/S505-V-1.6-RFUSE CERAMIC 1.6A 250VAC 5X20MM |
8,389 |
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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) | |
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BK/S505-V-2.5-RFUSE CERAMIC 2.5A 250VAC 5X20MM |
7,006 |
|
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) | |
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BK/S505-V-3.15RFUSE CERAMIC 3.15A 250VAC 5X20MM |
7,865 |
|
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) |
Frequently Asked Questions
What are Fuses components used for?
Fuses components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Fuses part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find Fuses parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
