Fuses

Manufacturers 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

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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
5SF 2

5SF 2

FUSE GLASS 2A 250VAC 5X20MM

Bel Fuse Inc.

2,734
RFQ
5SF 2Datasheet 5SF Bulk Obsolete Requires Holder Cartridge, Glass 2 A 250 V - Fast Blow 35A 6.4 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5SF 2.5

5SF 2.5

FUSE GLASS 2.5A 250VAC 5X20MM

Bel Fuse Inc.

7,957
RFQ
5SF 2.5Datasheet 5SF Bulk Obsolete Requires Holder Cartridge, Glass 2.5 A 250 V - Fast Blow 35A 10.2 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5SF 3.15

5SF 3.15

FUSE GLASS 3.15A 250VAC 5X20MM

Bel Fuse Inc.

5,581
RFQ
5SF 3.15Datasheet 5SF Bulk Obsolete Requires Holder Cartridge, Glass 3.15 A 250 V - Fast Blow 35A 16.0 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5SF 4

5SF 4

FUSE GLASS 4A 250VAC 5X20MM

Bel Fuse Inc.

2,036
RFQ
5SF 4Datasheet 5SF Bulk Obsolete Requires Holder Cartridge, Glass 4 A 250 V - Fast Blow 40A 26.0 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5SF 5

5SF 5

FUSE GLASS 5A 250VAC 5X20MM

Bel Fuse Inc.

7,436
RFQ
5SF 5Datasheet 5SF Bulk Obsolete Requires Holder Cartridge, Glass 5 A 250 V - Fast Blow 50A 41.0 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5SF 6.3

5SF 6.3

FUSE GLASS 6.3A 250VAC 5X20MM

Bel Fuse Inc.

5,072
RFQ
5SF 6.3Datasheet 5SF Bulk Obsolete Requires Holder Cartridge, Glass 6.3 A 250 V - Fast Blow 63A 65.0 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5SF 8

5SF 8

FUSE GLASS 8A 250VAC 5X20MM

Bel Fuse Inc.

9,052
RFQ
5SF 8Datasheet 5SF Bulk Obsolete Requires Holder Cartridge, Glass 8 A 250 V - Fast Blow 80A 103.0 CE, CSA, UL -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5SF 10

5SF 10

FUSE GLASS 10A 250VAC 5X20MM

Bel Fuse Inc.

4,044
RFQ
5SF 10Datasheet 5SF Bulk Obsolete Requires Holder Cartridge, Glass 10 A 250 V - Fast Blow 100A 163.0 CE, CSA, UL -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 63

5ST 63

FUSE GLASS 63MA 250VAC 5X20MM

Bel Fuse Inc.

7,064
RFQ
5ST 63Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 63 mA 250 V - Slow Blow 35A 0.008 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 80

5ST 80

FUSE GLASS 80MA 250VAC 5X20MM

Bel Fuse Inc.

5,190
RFQ
5ST 80Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 80 mA 250 V - Slow Blow 35A 0.015 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 125

5ST 125

FUSE GLASS 125MA 250VAC 5X20MM

Bel Fuse Inc.

2,757
RFQ
5ST 125Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 125 mA 250 V - Slow Blow 35A 0.05 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 160

5ST 160

FUSE GLASS 160MA 250VAC 5X20MM

Bel Fuse Inc.

4,218
RFQ
5ST 160Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 160 mA 250 V - Slow Blow 35A 0.08 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 200

5ST 200

FUSE GLASS 200MA 250VAC 5X20MM

Bel Fuse Inc.

2,817
RFQ
5ST 200Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 200 mA 250 V - Slow Blow 35A 0.15 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 250

5ST 250

FUSE GLASS 250MA 250VAC 5X20MM

Bel Fuse Inc.

7,433
RFQ
5ST 250Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 250 mA 250 V - Slow Blow 35A 0.26 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 315

5ST 315

FUSE GLASS 315MA 250VAC 5X20MM

Bel Fuse Inc.

2,714
RFQ
5ST 315Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 315 mA 250 V - Slow Blow 35A 0.46 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 400

5ST 400

FUSE GLASS 400MA 250VAC 5X20MM

Bel Fuse Inc.

5,273
RFQ
5ST 400Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 400 mA 250 V - Slow Blow 35A 0.81 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 500

5ST 500

FUSE GLASS 500MA 250VAC 5X20MM

Bel Fuse Inc.

8,222
RFQ
5ST 500Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 500 mA 250 V - Slow Blow 35A 1.4 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 630

5ST 630

FUSE GLASS 630MA 250VAC 5X20MM

Bel Fuse Inc.

7,294
RFQ
5ST 630Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 630 mA 250 V - Slow Blow 35A 0.9 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 800

5ST 800

FUSE GLASS 800MA 250VAC 5X20MM

Bel Fuse Inc.

9,802
RFQ
5ST 800Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 800 mA 250 V - Slow Blow 35A 1.6 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
5ST 1

5ST 1

FUSE GLASS 1A 250VAC 5X20MM

Bel Fuse Inc.

9,130
RFQ
5ST 1Datasheet 5ST Bulk Obsolete Requires Holder Cartridge, Glass 1 A 250 V - Slow Blow 35A 2.4 CE, CSA, IMQ, SEMKO, UL, VDE -55°C ~ 125°C - 0.201" Dia x 0.787" L (5.10mm x 20.00mm)
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Category Overview

Fuses Products & Selection Guide

Fuses are widely used in industrial automation, automotive electronics, communication equipment, consumer electronics, new energy systems, and many other electronic applications. We offer products from multiple manufacturers, packages, and specifications to help engineers and buyers compare and source suitable components.

Use the manufacturer, key specification, availability, and Datasheet filters to narrow down the right Fuses. If the exact part is not listed, submit an inquiry and our team can help check stock, lead time, and suitable alternatives.

FAQ

How do I choose the right Fuses?

Start with the required electrical specifications, package, operating temperature, application conditions, and manufacturer preference, then compare availability and lead time.

Can I order based on the stock shown on this page?

Inventory can change with supply conditions. For project or volume requirements, please submit an inquiry so current stock, pricing, and lead time can be confirmed.

What if the exact part number I need is not listed?

Send us the part number and required quantity. We can help source hard-to-find parts and suggest suitable alternatives based on key specifications.

Do you provide Datasheets and technical documents?

Yes. Use the Datasheet links in the product list to view available technical documents. If a document is unavailable, contact us and we can help check it.

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