Ethernet ESD, Lightning, & Power Fault Protection

Littelfuse Ethernet/PoE ESD, EFT, Lightning, and Power Fault Protection ensures that the power fault overcurrent can be protected with Telelink fuses. The Ethernet Power Fault Protection includes the SMCJ and SP40 TVS Diode, SP3, SRV05xx, LC03xx, and SP40xx Diode Array, and the 0461xxx Fuse series. Littelfuse Ethernet/PoE ESD, EFT, Lightning, and Power Fault Protection products meet various applicable standards. 

Results: 326
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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes 5V 1uA 8kV BIDIRECTIONAL
Datasheet
34,231In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL
Datasheet
39,040In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 5V 1uA 10kV UNIDIRECTIONAL
Datasheet
46,799In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip
Datasheet
41,977In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 40A AEC-Q101
Datasheet
7,706In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array
Datasheet
18,704In Stock
12,000Expected 19/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2CH 5V 2A 0.2pF
Datasheet
10,141In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000


Littelfuse ESD Protection Diodes / TVS Diodes 1.5pF 30kV
Datasheet
11,094In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000


Littelfuse ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF
Datasheet
2,512In Stock
4,000Expected 28/04/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 4,000

Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2
Datasheet
4,494In Stock
7,734Expected 29/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2
Datasheet
7,257In Stock
5,000Expected 28/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2
Datasheet
18,552In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM
Datasheet
3,790In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term
Datasheet
3,553In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term
Datasheet
1,951In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 900


Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array
Datasheet
19,314In Stock
6,000Expected 22/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4CH 20A 2.5V 3.5pF Lightning Protection
Datasheet
3,917In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV
Datasheet
27,589In Stock
12,000Expected 05/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch, 12kV, 0.85pF SOT5630
Datasheet
8,565In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF
Datasheet
21,695In Stock
21,000Expected 29/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF
Datasheet
12,528In Stock
12,000Expected 22/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4CH 20A 3.3V 3.5pF Lightning Protection
Datasheet
4,230In Stock
9,000Expected 09/06/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882
Datasheet
152,269In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 2.5pF 30A for Surge Protection
Datasheet
55,607In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2.5pF 30A BI for Surge Protection
Datasheet
36,951In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 3,000