Circuit Protection – Mouser United Kingdom

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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.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 5V 1uA 22kV UNIDIRECTIONAL SP3030-01ETG Littelfuse 1: £0.30 178,393On Order	Mfr. Part No. SP3030-01ETG Mouser Part No 576-SP3030-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes 5V 1uA 22kV UNIDIRECTIONAL Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	178,393On Order On Order Ship Dates Mfr. No: SP3030-01ETG Stock: 0 On Order: 28,393 Expected 08/12/2026 150,000 Expected 12/01/2027 Factory Lead Time: 21 Weeks	Cut Tape £0.30 £0.132 £0.115 £0.086 View Reel £0.045 £0.069 £0.067 £0.064 £0.045 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes .3pF 10KV 28V SOD8820 SP3130-01ETG Littelfuse 1: £0.503 19,795Expected 07/12/2026	Mfr. Part No. SP3130-01ETG Mouser Part No 576-SP3130-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes .3pF 10KV 28V SOD8820 Learn More about Littelfuse sp3130 diode arrays	Datasheet	19,795Expected 07/12/2026	Cut Tape £0.503 £0.226 £0.199 £0.15 View Reel £0.082 £0.136 £0.122 £0.12 £0.082 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 1.3pF 15A UNIDIRECTIONAL SP4022-01FTG Littelfuse 1: £0.601 18,000Expected 01/03/2027	Mfr. Part No. SP4022-01FTG Mouser Part No 576-SP4022-01FTG	Littelfuse	ESD Protection Diodes / TVS Diodes 1.3pF 15A UNIDIRECTIONAL Learn More about Littelfuse sp402x arrays	Datasheet	18,000Expected 01/03/2027	Cut Tape £0.601 £0.31 £0.273 £0.208 £0.202 Reel £0.144 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.3pF 7A BIDIRECTIONAL SP4024-01FTG-C Littelfuse 1: £0.705 65,730On Order	Mfr. Part No. SP4024-01FTG-C Mouser Part No 576-SP4024-01FTG-C	Littelfuse	ESD Protection Diodes / TVS Diodes 1.3pF 7A BIDIRECTIONAL Learn More about Littelfuse sp402x arrays	Datasheet	65,730On Order On Order Ship Dates Mfr. No: SP4024-01FTG-C Stock: 0 On Order: 14,730 Expected 07/12/2026 51,000 Expected 12/05/2027 Factory Lead Time: 23 Weeks	Cut Tape £0.705 £0.321 £0.284 £0.217 £0.215 Reel £0.163 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GDT 2T 600V CG5600LTR Littelfuse 1: £2.77 53On Order	Mfr. Part No. CG5600LTR Mouser Part No 576-CG5600LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GDT 2T 600V	Datasheet	53On Order	Cut Tape £2.77 £2.52 £2.44 £1.91 Reel £1.35 View £1.62 £1.53 £1.36 £1.27	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V NOMINAL GP S.A. STANDARD CG5145 Littelfuse 3,000: £1.07 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5145 Mouser Part No 576-CG5145	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V NOMINAL GP S.A. STANDARD	Datasheet	Non-Stocked Lead-Time 21 Weeks	£1.07	Min.: 3,000 Mult.: 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 145V NOMINAL CG5145L Littelfuse 1,000: £1.07 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5145L Mouser Part No 576-CG5145L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 145V NOMINAL	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.07 £1.04	Min.: 1,000 Mult.: 1,000 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V NOMINAL GP S.A. STANDARD CG5145LTR Littelfuse 1,000: £1.32 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5145LTR Mouser Part No 576-CG5145LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 145V NOMINAL GP S.A. STANDARD	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.32 £1.27	Min.: 1,000 Mult.: 1,000 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD S.A. 150V M CG5150MS Littelfuse 900: £1.26 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5150MS Mouser Part No 576-CG5150MS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD S.A. 150V M	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.26 £1.21	Min.: 900 Mult.: 900 : 900
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V CG5230 Littelfuse 3,000: £1.09 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5230 Mouser Part No 576-CG5230	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V	Datasheet	Non-Stocked Lead-Time 21 Weeks	£1.09	Min.: 3,000 Mult.: 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V CG5230L Littelfuse 1,000: £1.18 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5230L Mouser Part No 576-CG5230L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.18	Min.: 1,000 Mult.: 1,000 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V NOMINAL SMT GP S.A. STANDARD CG5230LS Littelfuse 900: £1.07 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5230LS Mouser Part No 576-CG5230LS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V NOMINAL SMT GP S.A. STANDARD	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.07 £1.04	Min.: 900 Mult.: 900 : 900
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V CG5230LTR Littelfuse 1,000: £1.32 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5230LTR Mouser Part No 576-CG5230LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 230V	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.32 £1.27	Min.: 1,000 Mult.: 1,000 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN 250V CG5250MS Littelfuse 900: £1.26 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5250MS Mouser Part No 576-CG5250MS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN 250V	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.26 £1.21	Min.: 900 Mult.: 900 : 900
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GDT 2T 270V CG5270LTR Littelfuse 1,000: £1.32 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5270LTR Mouser Part No 576-CG5270LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GDT 2T 270V	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.32 £1.27	Min.: 1,000 Mult.: 1,000 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V CG5350 Littelfuse 1: £2.33 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5350 Mouser Part No 576-CG5350	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN. 350V	Datasheet	Non-Stocked Lead-Time 21 Weeks	£2.33 £2.20 £2.08 £1.68 View £1.42 £1.39 £1.16 £1.07	Min.: 1 Mult.: 1
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.STANDARD.90V WITH FAILSAFE CG5350LF Littelfuse 350: £2.62 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. CG5350LF Mouser Part No 576-CG5350LF	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.STANDARD.90V WITH FAILSAFE	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel £2.62 £2.37 £2.12 £2.06	Min.: 350 Mult.: 350 : 350
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.FORMED.90V WITH FAILSAFE CG5350LNF Littelfuse 500: £2.20 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. CG5350LNF Mouser Part No 576-CG5350LNF	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A.FORMED.90V WITH FAILSAFE	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel £2.20 £2.12 £2.06	Min.: 500 Mult.: 500 : 500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 350V CG5350LS Littelfuse 900: £1.07 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5350LS Mouser Part No 576-CG5350LS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 350V	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.07 £1.04	Min.: 900 Mult.: 900 : 900
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350V Standard GP Nominal CG5350LSTR Littelfuse 900: £2.94 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. CG5350LSTR Mouser Part No 576-CG5350LSTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 350V Standard GP Nominal	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel £2.94	Min.: 900 Mult.: 900 : 900
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. 350V CG5350LTR Littelfuse 1,000: £1.32 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5350LTR Mouser Part No 576-CG5350LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. 350V	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.32 £1.27	Min.: 1,000 Mult.: 1,000 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP BIPOLAR SURGE ARRESTOR MS CG5350MS Littelfuse 900: £1.18 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. CG5350MS Mouser Part No 576-CG5350MS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP BIPOLAR SURGE ARRESTOR MS	Datasheet	Non-Stocked Lead-Time 17 Weeks	Reel £1.18	Min.: 900 Mult.: 900 : 900
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN 400V CG5400LTR Littelfuse 1,000: £1.32 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5400LTR Mouser Part No 576-CG5400LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN 400V	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.32 £1.28	Min.: 1,000 Mult.: 1,000 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN .470V CG5470L Littelfuse 1,000: £1.26 Non-Stocked Lead-Time 21 Weeks	Mfr. Part No. CG5470L Mouser Part No 576-CG5470L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN .470V	Datasheet	Non-Stocked Lead-Time 21 Weeks	Reel £1.26 £1.21	Min.: 1,000 Mult.: 1,000 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN .470V W/ FAILSAFE CG5470LNF Littelfuse 500: £1.71 Non-Stocked Lead-Time 17 Weeks	Mfr. Part No. CG5470LNF Mouser Part No 576-CG5470LNF	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors S.A. STAN .470V W/ FAILSAFE	Datasheet	Non-Stocked Lead-Time 17 Weeks	£1.71 £1.63 £1.57	Min.: 500 Mult.: 500