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: 312
Select Image Part # Mfr. Description Datasheet Availability Pricing (USD) 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 393,014In Stock
Cut Tape
$0.70
$0.389
$0.323
$0.262
Reel
$0.168
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 1.5kW 150V Hi Rel 5% Bi-Directional 319In Stock
Cut Tape
$23.85
$18.88
$17.39
$16.18
Reel
$16.17
Min.: 1
Mult.: 1
: 500
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL 1,221In Stock
Cut Tape
$2.75
$2.48
$2.31
$1.92
Reel
$1.23
Min.: 1
Mult.: 1
: 1,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM 3,349In Stock
Cut Tape
$3.49
$2.90
$2.68
$2.22
Reel
$1.36
Min.: 1
Mult.: 1
: 1,000
Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA 4,775In Stock
Cut Tape
$2.33
$1.23
$1.01
$0.872
Reel
$0.582
Min.: 1
Mult.: 1
: 4,000
Littelfuse ESD Protection Diodes / TVS Diodes 2CH 5V 2A 0.2pF 8,516In Stock
Cut Tape
$1.00
$0.457
$0.364
$0.274
Reel
$0.201
Min.: 1
Mult.: 1
: 3,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term 2,525In Stock
Cut Tape
$1.43
$1.07
$0.899
$0.819
Reel
$0.636
Min.: 1
Mult.: 1
: 2,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term 1,995In Stock
Cut Tape
$1.43
$1.32
$1.09
$1.01
Reel
$0.636
Min.: 1
Mult.: 1
: 2,000
Littelfuse Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2 24,132In Stock
Cut Tape
$1.89
$1.59
$1.32
$1.20
Reel
$0.991
Min.: 1
Mult.: 1
: 2,500
Littelfuse Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 64,586In Stock
Cut Tape
$2.00
$1.66
$1.45
$1.31
Reel
$0.777
Min.: 1
Mult.: 1
: 2,500
Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact 33,348In Stock
30,000Expected 12/29/2026
Cut Tape
$3.50
$2.29
$1.82
$1.64
Reel
$1.07
Min.: 1
Mult.: 1
: 2,500
Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV 80,968In Stock
60,000Expected 12/30/2026
Cut Tape
$1.31
$0.751
$0.609
$0.541
Reel
$0.30
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 2 channels .65pF 67,961In Stock
45,000Expected 2/18/2027
Cut Tape
$1.70
$1.08
$0.804
$0.717
Reel
$0.43
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 8 Ch 8kV 0.65pF SPA 51,294In Stock
Cut Tape
$1.92
$1.22
$0.916
$0.818
Reel
$0.535
Min.: 1
Mult.: 1
: 4,000
Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF 151,808In Stock
Cut Tape
$1.55
$0.976
$0.728
$0.614
Reel
$0.337
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF 52,221In Stock
Cut Tape
$1.82
$1.07
$0.842
$0.732
Reel
$0.414
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL 106,899In Stock
Cut Tape
$0.94
$0.428
$0.378
$0.289
$0.286
Reel
$0.188
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip 31,378In Stock
Cut Tape
$0.63
$0.284
$0.25
$0.189
Reel
$0.109
Min.: 1
Mult.: 1
: 10,000
Littelfuse Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 2,457In Stock
10,000On Order
Cut Tape
$2.52
$2.27
$2.10
$1.74
Reel
$1.14
Min.: 1
Mult.: 1
: 2,500
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD 1,004In Stock
Cut Tape
$2.93
$2.43
$2.25
$1.87
Reel
$1.45
Min.: 1
Mult.: 1
: 1,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF 1,128In Stock
Cut Tape
$2.71
$2.64
$2.44
$2.02
Reel
$1.30
Min.: 1
Mult.: 1
: 2,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF 1,419In Stock
4,000Expected 12/14/2026
Cut Tape
$2.65
$2.20
$2.03
$1.69
Reel
$1.30
Min.: 1
Mult.: 1
: 2,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V Square SG 2,016In Stock
Cut Tape
$1.43
$1.32
$1.09
$1.01
Reel
$0.716
Min.: 1
Mult.: 1
: 2,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term 18,290In Stock
8,000Expected 3/4/2027
Cut Tape
$1.29
$1.19
$0.981
$0.905
Reel
$0.716
Min.: 1
Mult.: 1
: 2,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term 4,016In Stock
Cut Tape
$1.29
$1.19
$1.08
$0.946
Reel
$0.77
Min.: 1
Mult.: 1
: 2,000