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 1.3pF 7A UNIDIRECTIONAL
Datasheet
404,958In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM
Datasheet
3,700In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse ESD Protection Diodes / TVS Diodes 0.2pF 22kV DFN-5
Datasheet
57,411In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V SOD8820
Datasheet
17,509In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term
Datasheet
2,306In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term
Datasheet
2,595In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 15A UNIDIRECTIONAL
Datasheet
61,077In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA
Datasheet
5,102In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 18V 0201 Flipchip
Datasheet
10,972In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN
Datasheet
13,895In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 15,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV
Datasheet
63,111In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV
Datasheet
44,891In Stock
54,000Expected 14/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA
Datasheet
12,396In Stock
12,000Expected 26/08/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2 channels .65pF
Datasheet
5,810In Stock
33,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA
Datasheet
10,078In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF
Datasheet
8,091In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip
Datasheet
37,404In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2
Datasheet
9,254In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2
Datasheet
6,819In Stock
22,240On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2
Datasheet
14,897In Stock
9,650Expected 10/06/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM
Datasheet
1,509In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL
Datasheet
1,223In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD
Datasheet
2,138In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 172-288V 2A GDT T/R 2 Term
Datasheet
2,875In 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
6,145In Stock
8,000Expected 01/09/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000