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: 308
Select Image Part # Mfr. Description Datasheet Availability Pricing (DKK) 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 404.918In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V Diode Array 6.483In Stock
6.000Expected 14/09/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA 5.102In Stock
Min.: 1
Mult.: 1
: 4.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term 2.306In Stock
Min.: 1
Mult.: 1
: 2.000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V SOD8820 17.007In Stock
Min.: 1
Mult.: 1
: 10.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM 3.474In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term 2.595In Stock
Min.: 1
Mult.: 1
: 2.000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 18V 0201 Flipchip 10.972In Stock
Min.: 1
Mult.: 1
: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN 13.860In Stock
Min.: 1
Mult.: 1
: 15.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 90V 889In Stock
Min.: 1
Mult.: 1
: 900

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV 49.538In Stock
48.000Expected 30/06/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2 27.979In Stock
Min.: 1
Mult.: 1
: 2.500

Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 23.280In Stock
17.500Expected 19/10/2026
Min.: 1
Mult.: 1
: 2.500

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV 58.851In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA 14.854In Stock
8.000Expected 29/06/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA 9.228In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF 7.991In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip 36.804In Stock
Min.: 1
Mult.: 1
: 10.000

Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 9.223In Stock
Min.: 1
Mult.: 1
: 2.500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM 1.509In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL 1.223In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD 1.313In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 172-288V 2A GDT T/R 2 Term 2.777In Stock
Min.: 1
Mult.: 1
: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term 6.135In Stock
8.000Expected 24/09/2026
Min.: 1
Mult.: 1
: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term 2.000In Stock
Min.: 1
Mult.: 1
: 2.000