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
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Description Datasheet Availability Pricing (JPY) 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
403,048In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip
Datasheet
32,674In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 150V Hi Rel 5% Bi-Directional
Datasheet
319In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500
Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA
Datasheet
4,997In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V SOD8820
Datasheet
Lead-Time 13 Weeks
MouseReel Available
Min.: 1
Mult.: 1
: 10,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term
Datasheet
2,545In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM
Datasheet
3,469In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V Diode Array
Datasheet
83In Stock
12,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term
Datasheet
1,995In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN
Datasheet
13,760In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 15,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV
Datasheet
62,559In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2 channels .65pF
Datasheet
40,868In Stock
42,000Expected 9/16/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2
Datasheet
25,722In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2
Datasheet
31,328In Stock
20,000Expected 9/7/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact
Datasheet
52,183In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF
Datasheet
74,418In Stock
36,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF
Datasheet
35,160In Stock
21,000Expected 1/19/2027
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA
Datasheet
15,689In Stock
15,000Expected 9/29/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA
Datasheet
5,823In Stock
9,000Expected 9/14/2026
MouseReel Available
Min.: 1
Mult.: 1
: 3,000

Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2
Datasheet
8,947In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL
Datasheet
1,221In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD
Datasheet
1,013In Stock
Min.: 1
Mult.: 1
: 1,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF
Datasheet
1,897In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF
Datasheet
1,903In Stock
2,000Expected 8/3/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,000

Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 172-288V 2A GDT T/R 2 Term
Datasheet
2,485In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,000