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 (PEN) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term 18,190In Stock
8,000Expected 3/4/2027
Cut Tape
S/ 5.02
S/ 4.63
S/ 3.82
S/ 3.52
Reel
S/ 2.79
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
S/ 5.02
S/ 4.63
S/ 4.20
S/ 3.68
Reel
S/ 3.00
Min.: 1
Mult.: 1
: 2,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400-600V 2A GDT T/R 2 Term 3,430In Stock
Cut Tape
S/ 5.29
S/ 4.90
S/ 4.05
S/ 3.74
Reel
S/ 2.79
Min.: 1
Mult.: 1
: 2,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term 6,139In Stock
Cut Tape
S/ 5.57
S/ 5.14
S/ 4.24
S/ 3.93
Reel
S/ 2.79
Min.: 1
Mult.: 1
: 2,000
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term 6,298In Stock
Cut Tape
S/ 10.47
S/ 8.87
S/ 8.17
S/ 6.77
Reel
S/ 4.67
Min.: 1
Mult.: 1
: 900
Littelfuse Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term 1,721In Stock
Cut Tape
S/ 10.47
S/ 8.87
S/ 8.17
S/ 7.20
Reel
S/ 4.87
Min.: 1
Mult.: 1
: 900

Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array 22,808In Stock
15,000Expected 3/8/2027
Cut Tape
S/ 3.78
S/ 1.73
S/ 1.53
S/ 1.17
Reel
S/ 1.07
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 2 Ch 8KV 5V .65pF Low Cap 9,165In Stock
Cut Tape
S/ 4.94
S/ 3.15
S/ 2.46
S/ 2.14
Reel
S/ 1.23
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA 9,989In Stock
12,000Expected 3/8/2027
Cut Tape
S/ 5.10
S/ 3.20
S/ 2.37
S/ 2.11
Reel
S/ 1.08
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 4 channels .65pF Lead-Time 19 Weeks
Cut Tape
S/ 5.18
S/ 2.91
S/ 2.42
S/ 1.94
S/ 1.53
Reel
S/ 1.20
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 4 Ch, 12kV, 0.85pF SOT5630 6,548In Stock
21,000On Order
Cut Tape
S/ 4.98
S/ 2.87
S/ 2.32
S/ 1.91
Reel
S/ 1.14
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 2 CH 8KV 0.5pF 3,585In Stock
Cut Tape
S/ 6.62
S/ 4.20
S/ 3.25
S/ 2.67
Reel
S/ 1.76
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array 10,686In Stock
Cut Tape
S/ 4.09
S/ 1.88
S/ 1.66
S/ 1.28
S/ 1.25
Reel
S/ 0.86
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL 12,560In Stock
20,000Expected 2/8/2027
Cut Tape
S/ 2.61
S/ 1.18
S/ 1.04
S/ 0.782
Reel
S/ 0.463
Min.: 1
Mult.: 1
: 10,000
Littelfuse ESD Protection Diodes / TVS Diodes 5V 1uA 10kV UNIDIRECTIONAL 28,597In Stock
110,000On Order
Cut Tape
S/ 1.25
S/ 0.553
S/ 0.483
S/ 0.432
Reel
S/ 0.432
Min.: 1
Mult.: 1
: 10,000
Littelfuse ESD Protection Diodes / TVS Diodes .3pF 10KV 18V SOD8820 56,605In Stock
Cut Tape
S/ 2.45
S/ 1.11
S/ 0.973
S/ 0.736
Reel
S/ 0.424
Min.: 1
Mult.: 1
: 10,000
Littelfuse ESD Protection Diodes / TVS Diodes 4CH 15A 3.3V 3.5pF Lightning Protection 5,616In Stock
9,000Expected 3/4/2027
Cut Tape
S/ 7.08
S/ 4.52
S/ 3.37
S/ 3.01
Reel
S/ 1.84
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 3.3V 40A AEC-Q101 16,603In Stock
12,000Expected 11/10/2026
Cut Tape
S/ 9.61
S/ 6.19
S/ 4.67
S/ 4.20
Reel
S/ 2.80
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array 19,329In Stock
Cut Tape
S/ 4.28
S/ 1.98
S/ 1.76
S/ 1.35
S/ 1.30
Reel
S/ 0.923
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 0.2pF 22kV DFN-5 45,710In Stock
Cut Tape
S/ 2.18
S/ 1.00
S/ 0.876
S/ 0.658
Reel
S/ 0.413
Min.: 1
Mult.: 1
: 3,000
Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF 0201 DFN 39,999In Stock
Cut Tape
S/ 1.52
S/ 0.673
S/ 0.58
S/ 0.436
Reel
S/ 0.218
Min.: 1
Mult.: 1
: 15,000
Littelfuse ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI SOD882 61,045In Stock
Cut Tape
S/ 1.63
S/ 0.728
S/ 0.634
S/ 0.471
Reel
S/ 0.245
Min.: 1
Mult.: 1
: 10,000
Littelfuse ESD Protection Diodes / TVS Diodes 1.3pF 12A BIDIRECTIONAL 30,880In Stock
27,000Expected 3/1/2027
Cut Tape
S/ 4.01
S/ 2.00
S/ 1.62
S/ 1.22
Reel
S/ 0.872
Min.: 1
Mult.: 1
: 3,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5pF 30kV 5,805In Stock
Cut Tape
S/ 6.66
S/ 4.32
S/ 3.40
S/ 2.96
Reel
S/ 1.63
Min.: 1
Mult.: 1
: 4,000

Littelfuse ESD Protection Diodes / TVS Diodes 1.5pF 30kV 13,222In Stock
Cut Tape
S/ 6.50
S/ 4.28
S/ 3.19
S/ 2.73
Reel
S/ 1.50
Min.: 1
Mult.: 1
: 4,000