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 ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL
Datasheet
403 048In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 90V 3POLE RADIAL LEADS GDT
Datasheet
1 304In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 12A 5X20
Datasheet
935In Stock
2 000Expected 11/25/2026
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 230V 2POLE CHIP TYPE SMT
Datasheet
3 777In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V 3POLE SMT GDT
Datasheet
3 140In Stock
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM
Datasheet
3 469In Stock
Min.: 1
Mult.: 1
: 1 000

Littelfuse Thyristor Surge Protection Devices - TSPD 50A 170V
Datasheet
4 100In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse Thyristor Surge Protection Devices - TSPD 100A 275V
Datasheet
14 081In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2100V 2POLE AXIAL LEAD HV GDT
Datasheet
1 456In Stock
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 90V 3POLE AXIAL LEADS GDT
Datasheet
1 134In Stock
Min.: 1
Mult.: 1

Littelfuse Varistors RADIAL VARISTOR 7MM ROHS/LEAD FREE
Datasheet
9 580In Stock
Min.: 1
Mult.: 1
: 1 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V 3POLE SMT GDT
Datasheet
5 835In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 1000V 2POLE AXIAL LEAD HV GDT
Datasheet
760In Stock
Min.: 1
Mult.: 1

Littelfuse Board Mount Temperature Sensors 100degC 12ohm
Datasheet
6 654In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

Littelfuse Cartridge Fuses 250V .15A Slo-Blo 3AG
Datasheet
1 083In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .4A Slo-Blo 3AG
Datasheet
1 777In Stock
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors
Datasheet
951In Stock
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 5MM 90V2POLE SMT GDT
Datasheet
3 661In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 4A Slo-Blo
Datasheet
4 179In Stock
Min.: 1
Mult.: 1

Littelfuse Thyristor Surge Protection Devices - TSPD MicroCapacitance SA SIDACtor
Datasheet
9 690In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse Thyristor Surge Protection Devices - TSPD 50A 90V
Datasheet
4 643In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term
Datasheet
2 545In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

Littelfuse Varistors 5.5 VDC .05J 39V-CL 210PF P
Datasheet
11 288In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 75V 2POLE SMT GDT
Datasheet
1 773In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

Littelfuse Thyristor Surge Protection Devices - TSPD 50A 75V
Datasheet
3 712In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500