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 Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V Square SG 2 036In 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 000On Order
Min.: 1
Mult.: 1
: 2 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term 6 000In Stock
16 000On Order
Min.: 1
Mult.: 1
: 2 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term 1 917In Stock
18 000On Order
Min.: 1
Mult.: 1
: 2 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term 4 378In Stock
6 000Expected 10/28/2026
Min.: 1
Mult.: 1
: 2 000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term 6 298In Stock
Min.: 1
Mult.: 1
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term 3 521In Stock
Min.: 1
Mult.: 1
: 900


Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array 30 408In Stock
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 75A 30KV 3.3V Lightning Protection 3 599In Stock
5 000Expected 11/16/2026
Min.: 1
Mult.: 1
: 2 500

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV 5 468In Stock
90 750On Order
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8KV 5V .65pF Low Cap 10 875In Stock
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch, 12kV, 0.85pF SOT5630 5 396In Stock
6 000Expected 10/8/2026
Min.: 1
Mult.: 1
: 3 000


Littelfuse ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array 12 146In Stock
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 5V 1uA 8kV BIDIRECTIONAL 12 150In Stock
10 000Expected 12/31/2026
Min.: 1
Mult.: 1
: 10 000

Littelfuse ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL 28 091In Stock
Min.: 1
Mult.: 1
: 10 000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 18V SOD8820 65 601In Stock
Min.: 1
Mult.: 1
: 10 000

Littelfuse ESD Protection Diodes / TVS Diodes 4CH 15A 3.3V 3.5pF Lightning Protection 3 403In Stock
6 000Expected 9/1/2026
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 40A AEC-Q101 2 265In Stock
18 000Expected 8/27/2026
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array 25 802In Stock
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 0.2pF 22kV DFN-5 46 284In Stock
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 2CH 5V 2A 0.2pF 8 818In Stock
Min.: 1
Mult.: 1
: 3 000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882 82 170In Stock
Min.: 1
Mult.: 1
: 10 000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF 0201 DFN 41 219In Stock
Min.: 1
Mult.: 1
: 15 000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 12A BIDIRECTIONAL 6 661In Stock
36 000Expected 10/29/2026
Min.: 1
Mult.: 1
: 3 000