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 4CH 20A 2.5V 3.5pF Lightning Protection
6.000Expected 10/26/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 5V 1uA 22kV UNIDIRECTIONAL
189.722On Order
Min.: 1
Mult.: 1
: 10.000

Littelfuse ESD Protection Diodes / TVS Diodes 4CH 20A 3.3V 3.5pF Lightning Protection
16.425On Order
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 15A UNIDIRECTIONAL
17.918On Order
Min.: 1
Mult.: 1
: 3.000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 7A BIDIRECTIONAL
36.000Expected 10/5/2026
Min.: 1
Mult.: 1
: 3.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 105-195V 2A GDT T/R 2 Term 86In Stock
2.000Expected 11/17/2026
Min.: 1
Mult.: 1
: 2.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V NOMINAL GP S.A. STANDARD Non-Stocked Lead-Time 21 Weeks
Min.: 3.000
Mult.: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 145V NOMINAL Non-Stocked Lead-Time 21 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V NOMINAL GP S.A. STANDARD Non-Stocked Lead-Time 21 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD S.A. 150V M Non-Stocked Lead-Time 21 Weeks
Min.: 900
Mult.: 900
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V Non-Stocked Lead-Time 21 Weeks
Min.: 3.000
Mult.: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V Non-Stocked Lead-Time 21 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V NOMINAL SMT GP S.A. STANDARD Non-Stocked Lead-Time 21 Weeks
Min.: 900
Mult.: 900
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V Non-Stocked Lead-Time 21 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN 250V Non-Stocked Lead-Time 21 Weeks
Min.: 900
Mult.: 900
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GDT 2T 270V Non-Stocked Lead-Time 21 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V Non-Stocked Lead-Time 21 Weeks
Min.: 1
Mult.: 1

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.STANDARD.90V WITH FAILSAFE Non-Stocked Lead-Time 14 Weeks
Min.: 350
Mult.: 350
: 350

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.FORMED.90V WITH FAILSAFE Non-Stocked Lead-Time 14 Weeks
Min.: 500
Mult.: 500
: 500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 350V Non-Stocked Lead-Time 21 Weeks
Min.: 900
Mult.: 900
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350V Standard GP Nominal Non-Stocked Lead-Time 14 Weeks
Min.: 900
Mult.: 900
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. 350V Non-Stocked Lead-Time 21 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP BIPOLAR SURGE ARRESTOR MS Non-Stocked Lead-Time 14 Weeks
Min.: 900
Mult.: 900
: 900

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN 400V Non-Stocked Lead-Time 21 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN .470V Non-Stocked Lead-Time 21 Weeks
Min.: 1.000
Mult.: 1.000
: 1.000