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)

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 Mfr.
Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Littelfuse Varistors 95V 20mm Epoxy UltraMOV
Datasheet
3 174In 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 600VAC 2A .045ohms 461 NANO2
Datasheet
25 563In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2
Datasheet
30 338In Stock
20 000Expected 9/7/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 1A 5X20
Datasheet
20 799In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 5A 5X20
Datasheet
13 079In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 500Vac 400Vdc TL 8A 5X20
Datasheet
13 910In Stock
Min.: 1
Mult.: 1

Littelfuse ESD Protection Diodes / TVS Diodes ESD 24V BI
Datasheet
141 420In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact
Datasheet
52 050In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 500

Littelfuse ESD Protection Diodes / TVS Diodes TVS ARRAY
Datasheet
100 580In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 15 000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL
Datasheet
83 539In Stock
57 000Expected 9/28/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3 000


Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 20A Lightning Surge Prot
Datasheet
26 891In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4 000

Littelfuse ESD Protection Diodes / TVS Diodes 1CH 24V 200W BI
Datasheet
291 737In Stock
220 000Expected 10/26/2026
MouseReel Available
Min.: 1
Mult.: 1
: 10 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 3MM 90V 2POLE SMT GDT
Datasheet
47 074In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2 000

Littelfuse Resettable Fuses - PPTC Polyswitch 0.13A
Datasheet
29 819In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1 200

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 625In Stock
3 200Expected 8/31/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V .5A Slo-Blo
Datasheet
Product Comments
2 651In Stock
1 700On Order
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 1A Slo-Blo
Datasheet
4 294In Stock
2 500Expected 8/10/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 2A Slo-Blo
Datasheet
10 241In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3A Slo-Blo
Datasheet
2 602In Stock
700Expected 8/17/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 3A Slo-Blo
Datasheet
4 194In Stock
4 000Expected 9/14/2026
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 4A Slo-Blo
Datasheet
6 471In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 5A Slo-Blo
Datasheet
4 978In Stock
Min.: 1
Mult.: 1

Littelfuse Cartridge Fuses 250V 5A Slo-Blo
Datasheet
1 839In Stock
2 000Expected 9/14/2026
Min.: 1
Mult.: 1