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 (USD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term 6,232In Stock
8,000Expected 12/8/2026
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term 4,398In Stock
6,000Expected 10/28/2026
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term 6,320In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term 3,521In Stock
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 900


Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array 31,388In Stock
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 75A 30KV 3.3V Lightning Protection 3,770In Stock
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8KV 5V .65pF Low Cap 10,875In Stock
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch, 12kV, 0.85pF SOT5630 6,596In Stock
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000


Littelfuse ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array 13,259In Stock
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL 28,856In Stock
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 18V SOD8820 67,221In Stock
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 40A AEC-Q101 3,020In Stock
18,000On Order
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array 26,544In Stock
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 0.2pF 22kV DFN-5 49,384In Stock
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2CH 5V 2A 0.2pF 8,818In Stock
A tariff of 10% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882 119,093In Stock
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF 0201 DFN 42,349In Stock
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 15,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 12A BIDIRECTIONAL 18,284In Stock
36,000Expected 11/9/2026
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000


Littelfuse ESD Protection Diodes / TVS Diodes 1.5pF 30kV 8,775In Stock
Min.: 1
Mult.: 1
: 4,000


Littelfuse ESD Protection Diodes / TVS Diodes 1.5pF 30kV 8,924In Stock
8,000Expected 10/5/2026
Min.: 1
Mult.: 1
: 4,000


Littelfuse ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF 4,872In Stock
Min.: 1
Mult.: 1
: 4,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA 2,793In Stock
21,000On Order
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF 1,590In Stock
9,000Expected 8/20/2026
A tariff of 45% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2 CH 8KV 0.5pF 1,809In Stock
3,000Expected 8/13/2026
A tariff of 8% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 18V 0201 Flipchip 9,589In Stock
A tariff of 10% may be applied if shipping to the United States.
Min.: 1
Mult.: 1
: 10,000