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
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (CAD) 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 1.25A Slo-Blo
Datasheet
2,849In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 1.25 A 250 VAC
Littelfuse Cartridge Fuses 250V .15A Slo-Blo 3AG
Datasheet
1,098In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 150 mA 250 VAC
Littelfuse Cartridge Fuses 250V 3A Slo-Blo
Datasheet
9,034In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 3 A 250 VAC
Littelfuse Cartridge Fuses 250V .75A Slo-Blo 3AG
Datasheet
2,004In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 750 mA 250 VAC
Littelfuse Cartridge Fuses 250V 1.8A Slo-Blo
Datasheet
1,111In Stock
Min.: 1
Mult.: 1

General Fuse 3AG (6.3 mm x 32 mm) Cylindrical 1.8 A 250 VAC
Littelfuse Cartridge Fuses 250V .2A Slo-Blo 3AG
Datasheet
921In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 200 mA 250 VAC
Littelfuse Cartridge Fuses 250V .6A Slo-Blo 3AG
Datasheet
974In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 600 mA 250 VAC
Littelfuse Cartridge Fuses 250V 2.25A Slo-Blo
Datasheet
1,161In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 2.25 A 250 VAC
Littelfuse Cartridge Fuses 250V .1A Slo-Blo 3AG
Datasheet
995In 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 s250V .375A Slo-Blo 3AG
Datasheet
705In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Glass Fuse 3AG (6.3 mm x 32 mm) Cylindrical 375 mA 250 VAC
Littelfuse Cartridge Fuses 250V 3.2A Slo-Blo
Datasheet
1,246In Stock
Min.: 1
Mult.: 1

General Fuse 3AG (6.3 mm x 32 mm) Cylindrical 3.2 A 250 VAC
Littelfuse Cartridge Fuses 250V 1A Slo-Blo
Datasheet
3,871In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 1A Slo-Blo
Datasheet
3,059In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 1 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo
Datasheet
3,958In Stock
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 2A Slo-Blo
Datasheet
3,069In Stock
3,000On Order
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 2 A 250 VAC
Littelfuse Cartridge Fuses 250V 5A Slo-Blo
Datasheet
2,297In Stock
1,300Expected 2026-04-27
Min.: 1
Mult.: 1

Axial Lead and Cartridge Fuse 3AG (6.3 mm x 32 mm) Cylindrical 5 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 2026-05-29
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
7,257In Stock
5,000Expected 2026-05-28
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
18,762In 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
11,165In 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
6,179In Stock
4,496Expected 2026-03-30
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
9,511In Stock
Min.: 1
Mult.: 1

Cartridge Fuse 5 mm x 20 mm Cylindrical 2 A 500 VAC 400 VDC