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
0663.500HXSL

0663.500HXSL

FUSE BRD MNT 500MA 250VAC RADIAL

Littelfuse Inc.

9,678
RFQ
0663.500HXSLDatasheet LT-5™ 663 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 500 mA 250 V - Slow Blow 35A 2.5 CSA, KTL, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0663.500MALL

0663.500MALL

FUSE BRD MNT 500MA 250VAC RADIAL

Littelfuse Inc.

2,627
RFQ
0663.500MALLDatasheet LT-5™ 663 Tape & Box (TB) Obsolete Through Hole Board Mount (Cartridge Style Excluded) 500 mA 250 V - Slow Blow 35A 2.5 CSA, KTL, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0663.630HXSL

0663.630HXSL

FUSE BRD MNT 630MA 250VAC RADIAL

Littelfuse Inc.

6,099
RFQ
0663.630HXSLDatasheet LT-5™ 663 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 630 mA 250 V - Slow Blow 35A 4.0 CSA, KTL, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0663.630MALL

0663.630MALL

FUSE BRD MNT 630MA 250VAC RADIAL

Littelfuse Inc.

4,615
RFQ
0663.630MALLDatasheet LT-5™ 663 Tape & Box (TB) Obsolete Through Hole Board Mount (Cartridge Style Excluded) 630 mA 250 V - Slow Blow 35A 4.0 CSA, KTL, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0663.800HXLL

0663.800HXLL

FUSE BRD MNT 800MA 250VAC RADIAL

Littelfuse Inc.

2,777
RFQ
0663.800HXLLDatasheet LT-5™ 663 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 800 mA 250 V - Slow Blow 35A 8.0 CSA, KTL, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0663.800HXSL

0663.800HXSL

FUSE BRD MNT 800MA 250VAC RADIAL

Littelfuse Inc.

6,043
RFQ
0663.800HXSLDatasheet LT-5™ 663 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 800 mA 250 V - Slow Blow 35A 8.0 CSA, KTL, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0663.800MALL

0663.800MALL

FUSE BRD MNT 800MA 250VAC RADIAL

Littelfuse Inc.

3,883
RFQ
0663.800MALLDatasheet LT-5™ 663 Tape & Box (TB) Obsolete Through Hole Board Mount (Cartridge Style Excluded) 800 mA 250 V - Slow Blow 35A 8.0 CSA, KTL, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0664001.HXLL

0664001.HXLL

FUSE BOARD MNT 1A 250VAC RADIAL

Littelfuse Inc.

7,288
RFQ
0664001.HXLLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 1 A 250 V - Slow Blow 100A 4.4 CCC, CSA, KTL, METI, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0664001.HXSL

0664001.HXSL

FUSE BOARD MNT 1A 250VAC RADIAL

Littelfuse Inc.

6,789
RFQ
0664001.HXSLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 1 A 250 V - Slow Blow 100A 4.4 CCC, CSA, KTL, METI, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0664002.HXLL

0664002.HXLL

FUSE BOARD MNT 2A 250VAC RADIAL

Littelfuse Inc.

2,083
RFQ
0664002.HXLLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 2 A 250 V - Slow Blow 100A 16.0 CCC, CSA, KTL, METI, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0664002.HXSL

0664002.HXSL

FUSE BOARD MNT 2A 250VAC RADIAL

Littelfuse Inc.

4,047
RFQ
0664002.HXSLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 2 A 250 V - Slow Blow 100A 16.0 CCC, CSA, KTL, METI, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0664004.HXLL

0664004.HXLL

FUSE BOARD MNT 4A 250VAC RADIAL

Littelfuse Inc.

3,986
RFQ
0664004.HXLLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 4 A 250 V - Slow Blow 100A 77.0 CCC, CSA, KTL, METI, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0664004.HXSL

0664004.HXSL

FUSE BOARD MNT 4A 250VAC RADIAL

Littelfuse Inc.

5,790
RFQ
0664004.HXSLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 4 A 250 V - Slow Blow 100A 77.0 CCC, CSA, KTL, METI, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0664005.HXLL

0664005.HXLL

FUSE BOARD MNT 5A 250VAC RADIAL

Littelfuse Inc.

6,993
RFQ
0664005.HXLLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 5 A 250 V - Slow Blow 100A 155.0 CSA, KTL, UL -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
0664005.HXSL

0664005.HXSL

FUSE BOARD MNT 5A 250VAC RADIAL

Littelfuse Inc.

7,594
RFQ
0664005.HXSLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 5 A 250 V - Slow Blow 100A 155.0 CSA, KTL, UL -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
066401.6HXLL

066401.6HXLL

FUSE BOARD MNT 1.6A 250VAC RAD

Littelfuse Inc.

6,993
RFQ
066401.6HXLLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 1.6 A 250 V - Slow Blow 100A 10.0 CCC, CSA, KTL, METI, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
066401.6HXSL

066401.6HXSL

FUSE BOARD MNT 1.6A 250VAC RAD

Littelfuse Inc.

2,185
RFQ
066401.6HXSLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 1.6 A 250 V - Slow Blow 100A 10.0 CCC, CSA, KTL, METI, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
066402.5HXLL

066402.5HXLL

FUSE BOARD MNT 2.5A 250VAC RAD

Littelfuse Inc.

3,943
RFQ
066402.5HXLLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 2.5 A 250 V - Slow Blow 100A 32.0 CCC, CSA, KTL, METI, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
066402.5HXSL

066402.5HXSL

FUSE BOARD MNT 2.5A 250VAC RAD

Littelfuse Inc.

3,164
RFQ
066402.5HXSLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 2.5 A 250 V - Slow Blow 100A 32.0 CCC, CSA, KTL, METI, SEMKO, UL, VDE -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)
066406.3HXLL

066406.3HXLL

FUSE BOARD MNT 6.3A 250VAC RAD

Littelfuse Inc.

9,989
RFQ
066406.3HXLLDatasheet LT-5™ 664 Bulk Obsolete Through Hole Board Mount (Cartridge Style Excluded) 6.3 A 250 V - Slow Blow 100A 262.0 CSA, KTL, UL -40°C ~ 85°C - 0.335" Dia x 0.333" H (8.50mm x 8.45mm)

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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