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 2.25A Slo-Blo
Datasheet
1 161In Stock
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term
Datasheet
1 995In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

Littelfuse Varistors 60V 20mm Epoxy UltraMOV
Datasheet
3 657In Stock
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 6MM 230V 3POLE RADIAL LEADS GDT
Datasheet
1 042In Stock
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 8MM 2400V 2POLE AXIAL LEAD HV GDT
Datasheet
2 808In Stock
Min.: 1
Mult.: 1
Littelfuse Surface Mount Fuses 32V .250A SLIM Fast Acting 0402
Datasheet
24 673In Stock
30 000Expected 9/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 10 000

Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2
Datasheet
25 559In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 1A 5X20
Datasheet
19 585In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 2A 5X20
Datasheet
14 329In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 5A 5X20
Datasheet
13 005In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 8A 5X20
Datasheet
11 760In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes ESD 24V BI
Datasheet
141 020In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact
Datasheet
49 800In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse ESD Protection Diodes / TVS Diodes TVS ARRAY
Datasheet
100 060In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 15 000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL
Datasheet
83 422In Stock
57 000Expected 8/27/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000


Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 20A Lightning Surge Prot
Datasheet
26 835In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

Littelfuse ESD Protection Diodes / TVS Diodes 1CH 24V 200W BI
Datasheet
291 337In Stock
220 000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 10 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 90V 2POLE SMT GDT
Datasheet
47 073In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

Littelfuse Cartridge Fuses 250V .1A Slo-Blo 3AG
Datasheet
1 014In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .25A Slo-Blo 3AG
Datasheet
4 619In Stock
3 200Expected 8/20/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .5A Slo-Blo
Datasheet
Product Comments
3 204In Stock
1 100Expected 8/28/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1A Slo-Blo
Datasheet
4 379In Stock
1 910Expected 8/28/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2A Slo-Blo
Datasheet
10 175In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3A Slo-Blo
Datasheet
3 035In 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