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. 

Types of Fuses
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Results: 8
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Description Datasheet Availability Pricing (USD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Product Type
Fuse Size/Group
Current Rating
Voltage Rating AC
Voltage Rating DC
Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2
Datasheet
4,494In Stock
7,734Expected 29/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD Fuses 10.1 mm x 3.12 mm 500 mA 600 VAC 80 VDC
Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2
Datasheet
7,259In Stock
5,000Expected 28/05/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD Fuses 10.1 mm x 3.12 mm 2 A 600 VAC 80 VDC
Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2
Datasheet
18,812In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD Fuses 10.1 mm x 3.12 mm 1.25 A 600 VAC 80 VDC
Littelfuse Surface Mount Fuses TELECOM NANO2 250V 16mm TAPE 1.25A
Datasheet
1,015In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 2,500

SMD Fuses 10.1 mm x 3.12 mm 1.25 A 600 VAC 80 VDC
Littelfuse Fuse Kits & Assortments Emergency Diagnostic MINI
Datasheet
455Factory Stock Available
More Info Available
Min.: 1
Mult.: 1
No
Fuse Kits and Assortments
Littelfuse Surface Mount Fuses 600V 0.5A Tin Pltd Telecom
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 2,500
Reel: 2,500
No
SMD Fuses TeleLink 500 mA 600 VAC
Littelfuse Surface Mount Fuses 600V 2A Tin Pltd Telecom
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 2,500
Reel: 2,500
No
SMD Fuses TeleLink 2 A 600 VAC
Littelfuse Surface Mount Fuses 600V 1.25A Tin Pltd Telecom
Datasheet
Non-Stocked
Min.: 2,500
Mult.: 2,500
Reel: 2,500
No
SMD Fuses TeleLink 1.25 A 600 VAC