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: 992
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 90V 2POLE SMT GDT
Datasheet
21.674In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V 2.5KA 2POLE
Datasheet
4.495In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT
Datasheet
2.775In Stock
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 75V 3POLE SMT GDT
Datasheet
10.433In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V 3POLE SMT GDT
Datasheet
1.965In Stock
4.000Expected 3/9/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 1.000

Littelfuse Cartridge Fuses 250V .125A Slo-Blo 3AG
Datasheet
951In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .4A Slo-Blo 3AG
Datasheet
1.830In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .5A Slo-Blo
Datasheet
Product Comments
2.681In Stock
1.700Expected 3/31/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1A Slo-Blo
Datasheet
3.601In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1A Slo-Blo
Datasheet
2.979In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2A Slo-Blo
Datasheet
3.411In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2A Slo-Blo
Datasheet
4.044In Stock
5.000On Order
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3A Slo-Blo
Datasheet
2.075In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 5A Slo-Blo
Datasheet
2.167In Stock
1.300Expected 4/27/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 6.3A Slo-Blo
Datasheet
2.739In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.25A Slo-Blo
Datasheet
2.847In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 6.25A Slo-Blo
Datasheet
6.351In Stock
Min.: 1
Mult.: 1

Littelfuse Surface Mount Fuses 32V .250A SLIM Fast Acting 0402
Datasheet
12.984In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10.000

Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2
Datasheet
3.134In Stock
7.734Expected 5/29/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2
Datasheet
7.015In Stock
5.000Expected 5/28/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2
Datasheet
15.072In Stock
10.000Expected 5/21/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2.500

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 5X20 500mA
Datasheet
11.026In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 1A 5X20
Datasheet
6.047In Stock
8.996On Order
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 2A 5X20
Datasheet
9.453In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 4A 5X20
Datasheet
3.869In Stock
4.000Expected 5/4/2026
Min.: 1
Mult.: 1