General Port Protection Solutions

Littelfuse General Port Protection provides a wide array of solutions for power and communication ports. Ports need protection from common electrical hazards such as lightning surges, induced power surges, power cross, electrical fast transient, electrostatic discharge, and short-circuits due to aging wires or installation errors. Littelfuse General Port Protection products are ideal for automotive, building automation, consumer electronics, and industrial applications.

Results: 181
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Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Product Type
Fuse Size/Group
Body Style
Current Rating
Voltage Rating AC
Voltage Rating DC
Littelfuse Cartridge Fuses 250V 6.3A Slo-Blo
Datasheet
2,765In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 6.3 A 250 VAC
Littelfuse Cartridge Fuses 250V 6.25A Slo-Blo
Datasheet
6,351In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 6.25 A 250 VAC
Littelfuse Surface Mount Fuses 32V .250A SLIM Fast Acting 0402
Datasheet
14,809In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD Fuses 0402 (1005 metric) 250 mA 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 32V .250A SLIM Fast Acting 0402
Datasheet
13,517In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

SMD Fuses 0402 (1005 metric) 250 mA 32 VAC 32 VDC
Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2
Datasheet
4,494In Stock
7,734Expected 29/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD Fuses 10.1 mm x 3.12 mm 500 mA 600 VAC 80 VDC
Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2
Datasheet
7,192In Stock
5,000Expected 28/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD Fuses 10.1 mm x 3.12 mm 2 A 600 VAC 80 VDC
Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2
Datasheet
18,382In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD Fuses 10.1 mm x 3.12 mm 1.25 A 600 VAC 80 VDC
Littelfuse Cartridge Fuses 500Vac 400Vdc TL 5X20 500mA
Datasheet
11,136In Stock
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 500 mA 500 VAC 400 VDC
Littelfuse Cartridge Fuses 500Vac 400Vdc TL 1A 5X20
Datasheet
6,083In Stock
9,496On Order
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 1 A 500 VAC 400 VDC
Littelfuse Cartridge Fuses 500Vac 400Vdc TL 2A 5X20
Datasheet
9,481In Stock
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 2 A 500 VAC 400 VDC
Littelfuse Cartridge Fuses 500Vac 400Vdc TL 4A 5X20
Datasheet
3,854In Stock
4,000Expected 04/05/2026
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 4 A 500 VAC 400 VDC
Littelfuse Cartridge Fuses 500Vac 400Vdc TL 5A 5X20
Datasheet
8,864In Stock
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 5 A 500 VAC 400 VDC
Littelfuse Cartridge Fuses 500Vac 400Vdc TL 10A 5X20
Datasheet
5,226In Stock
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 10 A 500 VAC 400 VDC
Littelfuse Cartridge Fuses 500Vac 400Vdc TL 12A 5X20
Datasheet
1,573In Stock
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 12 A 500 VAC 400 VDC
Littelfuse Cartridge Fuses 500Vac 400Vdc TL 16A 5X20
Datasheet
1,334In Stock
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 16 A 500 VAC 400 VDC
Littelfuse Cartridge Fuses 500Vac 400Vdc TL 5X20 6.3A
Datasheet
1,662In Stock
2,000Expected 01/06/2026
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 6.3 A 500 VAC 400 VDC
Littelfuse Cartridge Fuses 500Vac 400Vdc TL 5X20 3.15A
Datasheet
3,460In Stock
4,000Expected 31/03/2026
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 3.15 A 500 VAC 400 VDC
Littelfuse Resettable Fuses - PPTC Polyswitch 0.13A
Datasheet
18,405In Stock
3,600Expected 06/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1,200

Resettable Fuses - PPTC
Littelfuse Cartridge Fuses 250V .01A Slo-Blo 3AG
Datasheet
33In Stock
100Expected 22/05/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 10 mA 32 VAC
Littelfuse Cartridge Fuses 250V .031A Slo-Blo 3AG
Datasheet
146In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 31 mA 250 VAC
Littelfuse Cartridge Fuses 250V .04A Slo-Blo 3AG
Datasheet
3In Stock
100Expected 23/02/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 40 mA 250 VAC
Littelfuse Cartridge Fuses 250V .062A Slo-Blo 3AG
Datasheet
51In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 62 mA 250 VAC
Littelfuse Cartridge Fuses 250V .062A Slo-Blo 3AG
Datasheet
314In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 62 mA 250 VAC
Littelfuse Cartridge Fuses 250V .1A Slo-Blo 3AG
Datasheet
270In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 100 mA 250 VAC
Littelfuse Cartridge Fuses 250V .125A Slo-Blo 3AG
Datasheet
82In Stock
100Expected 01/07/2026
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 125 mA 250 VAC