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 (EUR) 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 403.048In Stock
Min.: 1
Mult.: 1
: 3.000

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 STANDARD 90V NOM 3.469In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA 4.997In Stock
Min.: 1
Mult.: 1
: 4.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term 2.525In Stock
Min.: 1
Mult.: 1
: 2.000

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

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term 1.995In Stock
Min.: 1
Mult.: 1
: 2.000

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 2 channels .65pF 40.703In Stock
42.000Expected 8/20/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2 25.563In Stock
Min.: 1
Mult.: 1
: 2.500

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact 50.150In Stock
Min.: 1
Mult.: 1
: 2.500

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF 107.298In Stock
57.000Expected 12/14/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF 34.931In Stock
21.000Expected 8/13/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL 83.512In Stock
57.000Expected 9/28/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV 16.776In Stock
72.000Expected 10/27/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA 15.689In Stock
15.000Expected 9/29/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip 31.674In Stock
Min.: 1
Mult.: 1
: 10.000

Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 8.725In Stock
Min.: 1
Mult.: 1
: 2.500

Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 17.838In Stock
52.500On Order
Min.: 1
Mult.: 1
: 2.500

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 1.297In Stock
Min.: 1
Mult.: 1
: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF 3.803In Stock
Min.: 1
Mult.: 1
: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 172-288V 2A GDT T/R 2 Term 2.485In 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 9/24/2026
Min.: 1
Mult.: 1
: 2.000