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 (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse ESD Protection Diodes / TVS Diodes 0.2pF 22kV DFN-5 66,915In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 18V SOD8820 48,670In Stock
Min.: 1
Mult.: 1
Reel: 10,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF 1,245In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V SOD8820 18,785In Stock
Min.: 1
Mult.: 1
Reel: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 4CH 20A 2.5V 3.5pF Lightning Protection 4,367In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 18V 0201 Flipchip 12,182In Stock
Min.: 1
Mult.: 1
Reel: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL 8,004In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL 1,428In Stock
Min.: 1
Mult.: 1
Reel: 1,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL 414,567In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF 1,710In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact 2,623In Stock
15,000On Order
Min.: 1
Mult.: 1
Reel: 2,500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 105-195V 2A GDT T/R 2 Term 2,816In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term 3,009In Stock
4,000Expected 21/05/2026
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term 2,831In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term 2,600In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400-600V 2A GDT T/R 2 Term 2,467In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term 2,306In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term 9,054In Stock
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term 2,334In Stock
6,000Expected 27/03/2026
Min.: 1
Mult.: 1
Reel: 2,000

Littelfuse ESD Protection Diodes / TVS Diodes 75A 30KV 3.3V Lightning Protection 5,730In Stock
Min.: 1
Mult.: 1
Reel: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV 5,484In Stock
15,000On Order
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA 8,806In Stock
6,000Expected 18/03/2026
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8KV 5V .65pF Low Cap 6,282In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2 channels .65pF 25,182In Stock
Min.: 1
Mult.: 1
Reel: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA 11,207In Stock
Min.: 1
Mult.: 1
Reel: 3,000