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 4 channels .65pF 1.726In Stock
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 2 CH 8KV 0.5pF 1.877In Stock
3.000Expected 9/9/2026
Min.: 1
Mult.: 1
: 3.000

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

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP BIPOLAR SURGE ARRESTOR MS 371In Stock
Min.: 1
Mult.: 1
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GDT 2T 600V 590In Stock
Min.: 1
Mult.: 1
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 90V 778In Stock
Min.: 1
Mult.: 1
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V MS 893In Stock
Min.: 1
Mult.: 1
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF 888In Stock
2.000Expected 10/29/2026
Min.: 1
Mult.: 1
: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V Square SG 36In Stock
2.000Expected 9/3/2026
Min.: 1
Mult.: 1
: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term 16In Stock
4.000Expected 10/20/2026
Min.: 1
Mult.: 1
: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400-600V 2A GDT T/R 2 Term 1.880In Stock
2.000Expected 10/15/2026
Min.: 1
Mult.: 1
: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term 1.294In Stock
Min.: 1
Mult.: 1
: 2.000

Littelfuse ESD Protection Diodes / TVS Diodes 5V 1uA 8kV BIDIRECTIONAL 3.390In Stock
20.000Expected 12/31/2026
Min.: 1
Mult.: 1
: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 4CH 15A 3.3V 3.5pF Lightning Protection 951In Stock
9.000On Order
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI SOD882 1.276In Stock
70.000On Order
Min.: 1
Mult.: 1
: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 2.5pF 25A BI for Surge Protection 49.637In Stock
72.000Expected 8/31/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL 90In Stock
140.900On Order
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL 713In Stock
3.000Expected 7/30/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse Surface Mount Fuses TELECOM NANO2 250V 16mm TAPE 1.25A 1.011In Stock
Min.: 1
Mult.: 1
: 2.500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term
22.000On Order
Min.: 1
Mult.: 1
: 2.000

Littelfuse ESD Protection Diodes / TVS Diodes 8 Ch 8kV 0.65pF SPA
38.715On Order
Min.: 1
Mult.: 1
: 4.000

Littelfuse ESD Protection Diodes / TVS Diodes 2.5pF 30A for Surge Protection
168.379On Order
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 2.5pF 30A BI for Surge Protection
68.882On Order
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 2.5pF 25A for Surge Protection
100.320On Order
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 75A 30KV 3.3V Lightning Protection
3.998Expected 7/31/2026
Min.: 1
Mult.: 1
: 2.500