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 403.148In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip 36.774In Stock
Min.: 1
Mult.: 1
: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 150V Hi Rel 5% Bi-Directional 319In Stock
Min.: 1
Mult.: 1
: 500
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

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM 3.469In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA 5.030In Stock
Min.: 1
Mult.: 1
: 4.000

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 315-525V 2A GDT T/R 2 Term 2.545In Stock
Min.: 1
Mult.: 1
: 2.000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 18V 0201 Flipchip 10.589In Stock
Min.: 1
Mult.: 1
: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V Diode Array 83In Stock
12.000On Order
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN 13.760In Stock
Min.: 1
Mult.: 1
: 15.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV 63.443In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2 27.324In Stock
Min.: 1
Mult.: 1
: 2.500

Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA 16.189In Stock
15.000Expected 10/11/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 2 channels .65pF 26.980In Stock
21.000Expected 27/07/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA 8.868In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF 4.726In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 9.087In Stock
Min.: 1
Mult.: 1
: 2.500

Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 18.356In Stock
16.900On Order
Min.: 1
Mult.: 1
: 2.500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM 1.308In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL 1.221In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD 1.013In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF 1.897In Stock
Min.: 1
Mult.: 1
: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF 1.903In Stock
2.000Expected 27/07/2026
Min.: 1
Mult.: 1
: 2.000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact 8.683In Stock
46.729Expected 31/07/2026
Min.: 1
Mult.: 1
: 2.500