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 172-288V 2A GDT T/R 2 Term
Datasheet
2,735In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term
Datasheet
6,135In Stock
8,000Expected 10/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term
Datasheet
8,055In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term
Datasheet
4,398In Stock
6,000Expected 28/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term
Datasheet
3,620In Stock
2,700Expected 04/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 900

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


Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array
Datasheet
31,660In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV
Datasheet
7,546In Stock
54,000Expected 04/01/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8KV 5V .65pF Low Cap
Datasheet
11,180In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch, 12kV, 0.85pF SOT5630
Datasheet
6,656In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000


Littelfuse ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array
Datasheet
13,259In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL
Datasheet
28,856In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 5V 1uA 10kV UNIDIRECTIONAL
Datasheet
8,896In Stock
150,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 18V SOD8820
Datasheet
67,750In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 40A AEC-Q101
Datasheet
3,270In Stock
18,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array
Datasheet
28,079In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 0.2pF 22kV DFN-5
Datasheet
49,384In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

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

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882
Datasheet
119,093In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF 0201 DFN
Datasheet
42,373In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 15,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 12A BIDIRECTIONAL
Datasheet
10,944In Stock
45,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000


Littelfuse ESD Protection Diodes / TVS Diodes 1.5pF 30kV
Datasheet
9,025In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000


Littelfuse ESD Protection Diodes / TVS Diodes 1.5pF 30kV
Datasheet
9,124In Stock
8,000Expected 19/10/2026
MouseReel Available
Min.: 1
Mult.: 1
: 4,000


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

Littelfuse ESD Protection Diodes / TVS Diodes ESD 6V UNI
Datasheet
6,248In Stock
81,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000