508 Lead-Free 3AB Fuses

Littelfuse 508 Lead-Free 3AB Fuses are ceramic fuses rated up to 1000VAC/VDC with outstanding circuit interrupting capability in a compact 6.3mm x 32mm package. These fuses are available in cartridge and axial-lead versions with an interrupting capability of 10kA. Littelfuse 508 Lead-Free 3AB Fuses are RoHS compliant, lead free, and constructed in accordance with Underwriter’s Laboratories Standard UL 248-14. The 508 series is ideal for use as supplementary protection in appliances or utilization equipment to provide individual protection for components or internal circuits.  

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Qty. RoHS ECAD Model Series
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Littelfuse Cartridge Fuses 1000V 3AB FA .315A
Datasheet
1,165In Stock
Min.: 1
Mult.: 1

508 Ceramic Fuses 315 mA Fast Blow 3AB (6.3 mm x 32 mm) 1 kVAC 1 kVDC 10 kA Board Mount Axial - 55 C + 125 C Bulk 9.2 Ohms
Littelfuse Cartridge Fuses 1000V 3AB FA .500A
Datasheet
1,096In Stock
Min.: 1
Mult.: 1

508 Ceramic Fuses 500 mA Fast Blow 3AB (6.3 mm x 32 mm) 1 kVAC 1 kVDC 10 kA Board Mount Axial - 55 C + 125 C Bulk 3.572 Ohms
Littelfuse Cartridge Fuses FUSE 600V .500A 3AB PB-FREE
Datasheet
901In Stock
Min.: 1
Mult.: 1

508 Ceramic Fuses 500 mA Fast Blow 3AB (6.3 mm x 32 mm) 600 VAC 600 VDC 10 kA Holder / Clip Clip - 55 C + 125 C Bulk 3.572 Ohms
Littelfuse Cartridge Fuses FUSE 1000V 3AB FA PB-FREE .315A
Datasheet
475In Stock
Min.: 1
Mult.: 1

508 Ceramic Fuses 315 mA Fast Blow 3AB (6.3 mm x 32 mm) 1 kVAC 1 kVDC 10 kA Holder / Clip Clip - 55 C + 125 C Bulk 9.2 Ohms
Littelfuse Cartridge Fuses FUSE 1000V 3AB FA PB-FREE .500A
Datasheet
368In Stock
1,000Expected 9/14/2026
Min.: 1
Mult.: 1

508 Ceramic Fuses 500 mA Fast Blow 3AB (6.3 mm x 32 mm) 1 kVAC 1 kVDC 10 kA Holder / Clip Clip - 55 C + 125 C Bulk 3.572 Ohms
Littelfuse Cartridge Fuses 1000V 3AB FA 1A
Datasheet
1,109In Stock
Min.: 1
Mult.: 1

508 Ceramic Fuses 1 A Fast Blow 3AB (6.3 mm x 32 mm) 1 kVAC 1 kVDC 10 kA Holder / Clip Clip - 55 C + 125 C Bulk 1.58 Ohms
Littelfuse Cartridge Fuses 1000V 3AB FA 1A
Datasheet
33In Stock
1,000Expected 8/25/2026
Min.: 1
Mult.: 1

508 Ceramic Fuses 1 A Fast Blow 3AB (6.3 mm x 32 mm) 1 kVAC 1 kVDC 10 kA Board Mount Axial - 55 C + 125 C Bulk 1.58 Ohms
Littelfuse Cartridge Fuses FUSE 600V .315A 3AB PB-FREE
Datasheet
Non-Stocked Lead-Time 17 Weeks
Min.: 1,000
Mult.: 1,000

508 Ceramic Fuses 315 mA Fast Blow 3AB (6.3 mm x 32 mm) 600 VAC 600 VDC 10 kA Holder / Clip Clip - 55 C + 125 C Bulk 9.2 Ohms