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
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes 8 Ch 8kV 0.65pF SPA 19.943In Stock
Min.: 1
Mult.: 1
Reel: 4.000

Littelfuse ESD Protection Diodes / TVS Diodes 5V 1uA 8kV BIDIRECTIONAL 34.481In Stock
Min.: 1
Mult.: 1
Reel: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL 49.065In Stock
Min.: 1
Mult.: 1
Reel: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 5V 1uA 10kV UNIDIRECTIONAL 46.812In Stock
Min.: 1
Mult.: 1
Reel: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip 41.977In Stock
Min.: 1
Mult.: 1
Reel: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 4CH 15A 3.3V 3.5pF Lightning Protection 3.931In Stock
Min.: 1
Mult.: 1
Reel: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 40A AEC-Q101 6.218In Stock
Min.: 1
Mult.: 1
Reel: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array 18.704In Stock
12.000Expected 19/05/2026
Min.: 1
Mult.: 1
Reel: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 2CH 5V 2A 0.2pF 10.163In Stock
Min.: 1
Mult.: 1
Reel: 3.000


Littelfuse ESD Protection Diodes / TVS Diodes 1.5pF 30kV 11.094In Stock
Min.: 1
Mult.: 1
Reel: 4.000


Littelfuse ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF 2.523In Stock
4.000Expected 28/04/2026
Min.: 1
Mult.: 1
Reel: 4.000

Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 4.494In Stock
7.734Expected 29/05/2026
Min.: 1
Mult.: 1
Reel: 2.500

Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2 7.259In Stock
5.000Expected 28/05/2026
Min.: 1
Mult.: 1
Reel: 2.500

Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 18.812In Stock
Min.: 1
Mult.: 1
Reel: 2.500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM 3.850In Stock
Min.: 1
Mult.: 1
Reel: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term 3.573In Stock
Min.: 1
Mult.: 1
Reel: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term 2.851In Stock
Min.: 1
Mult.: 1
Reel: 900


Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array 19.344In Stock
6.000Expected 22/05/2026
Min.: 1
Mult.: 1
Reel: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV 27.689In Stock
12.000Expected 05/06/2026
Min.: 1
Mult.: 1
Reel: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch, 12kV, 0.85pF SOT5630 8.585In Stock
Min.: 1
Mult.: 1
Reel: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF 21.688In Stock
21.000Expected 29/06/2026
Min.: 1
Mult.: 1
Reel: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF 13.709In Stock
12.000Expected 22/07/2026
Min.: 1
Mult.: 1
Reel: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 4CH 20A 3.3V 3.5pF Lightning Protection 4.680In Stock
9.000Expected 09/06/2026
Min.: 1
Mult.: 1
Reel: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882 152.269In Stock
Min.: 1
Mult.: 1
Reel: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 2.5pF 30A for Surge Protection 56.212In Stock
Min.: 1
Mult.: 1
Reel: 3.000