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.

All Results (982)

Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (CRC) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Littelfuse Cartridge Fuses 250V 2A Slo-Blo
Datasheet
10 144In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3A Slo-Blo
Datasheet
2 335In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3A Slo-Blo
Datasheet
4 149In Stock
4 000Expected 9/14/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 5A Slo-Blo
Datasheet
4 704In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 5A Slo-Blo
Datasheet
1 820In Stock
2 000Expected 9/14/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1.5A Slo-Blo
Datasheet
2 989In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V SB 3AG PB-FREE 10A
Datasheet
3 257In Stock
3 000Expected 9/14/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2.5A Slo-Blo
Datasheet
2 183In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3.2A Slo-Blo
Datasheet
2 360In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 6.3A Slo-Blo
Datasheet
2 570In Stock
2 000Expected 9/7/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 6.25A Slo-Blo
Datasheet
5 143In Stock
5 000Expected 9/22/2026
Min.: 1
Mult.: 1

Littelfuse Surface Mount Fuses 32V .250A SLIM Fast Acting 0402
Datasheet
10 827In Stock
10 000Expected 8/27/2026
MouseReel Available
Min.: 1
Mult.: 1
: 10 000

Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2
Datasheet
5 609In Stock
5 000Expected 11/3/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2
Datasheet
17 780In Stock
52 500On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 5X20 500mA
Datasheet
6 764In Stock
5 000Expected 9/22/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 4A 5X20
Datasheet
1 299In Stock
12 000Expected 11/2/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 10A 5X20
Datasheet
5 924In Stock
5 000Expected 9/22/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 5X20 6.3A
Datasheet
1 680In Stock
14 000On Order
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 5X20 3.15A
Datasheet
8 566In Stock
7 000Expected 10/6/2026
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF AEC-Q200 QUAL
Datasheet
24 678In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

Littelfuse ESD Protection Diodes / TVS Diodes 0603 32VDC .09pF AEC-Q200 QUAL
Datasheet
40 182In Stock
110 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 5 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD
Datasheet
1 013In Stock
Min.: 1
Mult.: 1
: 1 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF
Datasheet
1 297In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF
Datasheet
3 803In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 75V NOM
Datasheet
1 912In Stock
2 100Expected 11/11/2026
Min.: 1
Mult.: 1