Circuit Protection – Mouser Bulgaria

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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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Types of Circuit Protection

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM CG5350L Littelfuse 1: 3,00 € 788In Stock	Mfr. Part No. CG5350L Mouser Part No 576-CG5350L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 350V NOM	Datasheet	788In Stock	Cut Tape 3,00 € 2,49 € 2,30 € 1,91 € View Reel 1,35 € 1,76 € 1,58 € 1,46 € 1,35 €	Min.: 1 Mult.: 1 : 1.000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 90V CG590LS Littelfuse 1: 2,33 € 668In Stock	Mfr. Part No. CG590LS Mouser Part No 576-CG590LS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STAN 90V	Datasheet	668In Stock	Cut Tape 2,33 € 1,94 € 1,79 € 1,48 € View Reel 1,14 € 1,37 € 1,23 € 1,14 €	Min.: 1 Mult.: 1 : 900
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V MS CG590MS Littelfuse 1: 2,79 € 956In Stock	Mfr. Part No. CG590MS Mouser Part No 576-CG590MS	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V MS	Datasheet	956In Stock	Cut Tape 2,79 € 2,38 € 2,19 € 1,82 € View Reel 1,35 € 1,68 € 1,53 € 1,35 € 1,35 € MouseReel Available	Min.: 1 Mult.: 1 : 900
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF CG6230SM Littelfuse 1: 2,33 € 28In Stock 4.000Expected 3/17/2027	Mfr. Part No. CG6230SM Mouser Part No 576-CG6230SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF Learn More about Littelfuse CG6 CG7 SMD gas discharge tubes	Datasheet	28In Stock 4.000Expected 3/17/2027	Cut Tape 2,33 € 2,27 € 2,10 € 1,74 € View Reel 1,12 € 1,54 € 1,44 € 1,26 € 1,14 € 1,12 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term SG600Q Littelfuse 1: 1,11 € 1.244In Stock 2.000Expected 3/25/2027	Mfr. Part No. SG600Q Mouser Part No 576-SG600Q	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 450-750V 2A GDT T/R 2 Term	Datasheet	1.244In Stock 2.000Expected 3/25/2027	Cut Tape 1,11 € 1,02 € 0,844 € 0,82 € Reel 0,82 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term SG75 Littelfuse 1: 1,17 € 1.151In Stock 30.000On Order	Mfr. Part No. SG75 Mouser Part No 576-SG75	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 52-98V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	1.151In Stock 30.000On Order On Order Ship Dates Mfr. No: SG75 Stock: 1.151 Can Dispatch Immediately On Order: 8.000 Expected 11/13/2026 10.000 Expected 2/1/2027 12.000 Expected 2/11/2027 Factory Lead Time: 17 Weeks	Cut Tape 1,17 € 1,08 € 0,894 € 0,826 € 0,748 € Reel 0,748 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000
ESD Protection Diodes / TVS Diodes 5V 1uA 8kV BIDIRECTIONAL SP3021-01ETG Littelfuse 1: 0,482 € 1.275In Stock 10.000Expected 1/12/2027	Mfr. Part No. SP3021-01ETG Mouser Part No 576-SP3021-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes 5V 1uA 8kV BIDIRECTIONAL Learn More about Littelfuse sp3021 tvs diode array	Datasheet	1.275In Stock 10.000Expected 1/12/2027	Cut Tape 0,482 € 0,213 € 0,187 € 0,14 € Reel 0,102 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL SP3022-01ETG Littelfuse 1: 0,576 € 12.050In Stock 20.000Expected 2/25/2027	Mfr. Part No. SP3022-01ETG Mouser Part No 576-SP3022-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL Learn More about Littelfuse sp3022 diodes	Datasheet	12.050In Stock 20.000Expected 2/25/2027	Cut Tape 0,576 € 0,261 € 0,229 € 0,173 € View Reel 0,102 € 0,153 € 0,151 € 0,102 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000
ESD Protection Diodes / TVS Diodes 2CH 5V 2A 0.2pF SP3423-02UTG Littelfuse 1: 0,662 € 334In Stock	Mfr. Part No. SP3423-02UTG Mouser Part No 576-SP3423-02UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 2CH 5V 2A 0.2pF Learn More about Littelfuse sp3423 tvs diode	Datasheet	334In Stock	Cut Tape 0,662 € 0,341 € 0,286 € 0,214 € 0,211 € Reel 0,187 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN SP3530-01UTG Littelfuse 1: 0,267 € 13.730In Stock	Mfr. Part No. SP3530-01UTG Mouser Part No 576-SP3530-01UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI 0201 DFN Learn More about Littelfuse sp3530	Datasheet	13.730In Stock	Cut Tape 0,267 € 0,119 € 0,103 € 0,077 € View Reel 0,052 € 0,073 € 0,071 € 0,067 € 0,052 € 0,052 € MouseReel Available	Min.: 1 Mult.: 1 : 15.000
ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL SP4023-01FTG Littelfuse 1: 0,765 € 3.359In Stock 3.000Expected 11/16/2026	Mfr. Part No. SP4023-01FTG Mouser Part No 576-SP4023-01FTG	Littelfuse	ESD Protection Diodes / TVS Diodes 1.3pF 12A UNIDIRECTIONAL Learn More about Littelfuse sp402x arrays	Datasheet	3.359In Stock 3.000Expected 11/16/2026	Cut Tape 0,765 € 0,418 € 0,307 € 0,233 € 0,225 € Reel 0,165 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF SP4060-08ATG Littelfuse 1: 1,81 € 2.057In Stock 4.000Expected 2/8/2027	Mfr. Part No. SP4060-08ATG Mouser Part No 576-SP4060-08ATG	Littelfuse	ESD Protection Diodes / TVS Diodes 8 Ch 30kV 2.5V 4.4pF Learn More about Littelfuse lightning tvs spa diodes	Datasheet	2.057In Stock 4.000Expected 2/8/2027	Cut Tape 1,81 € 1,21 € 0,912 € 0,707 € View Reel 0,497 € 0,574 € 0,538 € 0,497 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
ESD Protection Diodes / TVS Diodes ESD 6V UNI SRV05-4HTG-D Littelfuse 1: 1,26 € 2.012In Stock 108.000On Order	Mfr. Part No. SRV05-4HTG-D Mouser Part No 576-SRV05-4HTG-D	Littelfuse	ESD Protection Diodes / TVS Diodes ESD 6V UNI Learn More about Littelfuse srv05 diode arrays	Datasheet	2.012In Stock 108.000On Order On Order Ship Dates Mfr. No: SRV05-4HTG-D Stock: 2.012 Can Dispatch Immediately On Order: 27.000 Expected 12/23/2026 36.000 Expected 2/3/2027 45.000 Expected 3/29/2027 Factory Lead Time: 29 Weeks	Cut Tape 1,26 € 0,816 € 0,691 € 0,501 € View Reel 0,308 € 0,402 € 0,35 € 0,308 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 4 channels .65pF SP3003-04XTG Littelfuse 1: 1,14 € 3In Stock 21.000Expected 3/9/2027	Mfr. Part No. SP3003-04XTG Mouser Part No 576-SP3003-04XTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4 channels .65pF Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	3In Stock 21.000Expected 3/9/2027	Cut Tape 1,14 € 0,643 € 0,534 € 0,428 € 0,338 € Reel 0,265 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term SG300 Littelfuse 1: 1,11 € 19.985On Order	Mfr. Part No. SG300 Mouser Part No 576-SG300	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 225-375V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	19.985On Order On Order Ship Dates Mfr. No: SG300 Stock: 0 On Order: 9.985 Expected 3/1/2027 6.000 Expected 3/3/2027 4.000 Expected 4/5/2027 Factory Lead Time: 17 Weeks	Cut Tape 1,11 € 1,02 € 0,844 € 0,778 € View Reel 0,616 € 0,70 € 0,659 € 0,616 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000
ESD Protection Diodes / TVS Diodes 75A 30KV 3.3V Lightning Protection SP2502LBTG Littelfuse 1: 2,73 € 23.980On Order	Mfr. Part No. SP2502LBTG Mouser Part No 576-SP2502LBTG	Littelfuse	ESD Protection Diodes / TVS Diodes 75A 30KV 3.3V Lightning Protection Learn More about Littelfuse lightning tvs spa diodes	Datasheet	23.980On Order On Order Ship Dates Mfr. No: SP2502LBTG Stock: 0 On Order: 3.980 Expected 1/19/2027 20.000 Expected 4/27/2027 Factory Lead Time: 19 Weeks	Cut Tape 2,73 € 1,77 € 1,37 € 1,22 € View Reel 0,828 € 0,998 € 0,877 € 0,828 € MouseReel Available	Min.: 1 Mult.: 1 : 2.500
ESD Protection Diodes / TVS Diodes 4CH 20A 3.3V 3.5pF Lightning Protection SP3304NUTG Littelfuse 1: 2,17 € 30.000On Order	Mfr. Part No. SP3304NUTG Mouser Part No 576-SP3304NUTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4CH 20A 3.3V 3.5pF Lightning Protection Learn More about Littelfuse lightning tvs spa diodes	Datasheet	30.000On Order On Order Ship Dates Mfr. No: SP3304NUTG Stock: 0 On Order: 9.000 Expected 12/28/2026 9.000 Expected 1/4/2027 12.000 TBD Factory Lead Time: 73 Weeks	Cut Tape 2,17 € 1,27 € 0,92 € 0,794 € 0,64 € Reel 0,64 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 2.5pF 30A for Surge Protection SP4020-01FTG Littelfuse 1: 0,963 € 280.767On Order	Mfr. Part No. SP4020-01FTG Mouser Part No 576-SP4020-01FTG	Littelfuse	ESD Protection Diodes / TVS Diodes 2.5pF 30A for Surge Protection Learn More about Littelfuse lightning tvs spa diodes	Datasheet	280.767On Order On Order Ship Dates Mfr. No: SP4020-01FTG Stock: 0 On Order: 22.767 Expected 12/22/2026 81.000 Expected 2/4/2027 84.000 Expected 3/22/2027 93.000 Expected 4/26/2027 Factory Lead Time: 29 Weeks	Cut Tape 0,963 € 0,52 € 0,395 € 0,296 € 0,283 € Reel 0,22 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 2.5pF 30A BI for Surge Protection SP4020-01FTG-C Littelfuse 1: 1,08 € 78.003On Order	Mfr. Part No. SP4020-01FTG-C Mouser Part No 576-SP4020-01FTG-C	Littelfuse	ESD Protection Diodes / TVS Diodes 2.5pF 30A BI for Surge Protection Learn More about Littelfuse lightning tvs spa diodes	Datasheet	78.003On Order On Order Ship Dates Mfr. No: SP4020-01FTG-C Stock: 0 On Order: 27.003 Expected 12/7/2026 51.000 Expected 7/5/2027 Factory Lead Time: 29 Weeks	Cut Tape 1,08 € 0,536 € 0,421 € 0,316 € 0,305 € Reel 0,242 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 2.5pF 25A for Surge Protection SP4021-01FTG Littelfuse 1: 0,894 € 99.930On Order	Mfr. Part No. SP4021-01FTG Mouser Part No 576-SP4021-01FTG	Littelfuse	ESD Protection Diodes / TVS Diodes 2.5pF 25A for Surge Protection Learn More about Littelfuse lightning tvs spa diodes	Datasheet	99.930On Order On Order Ship Dates Mfr. No: SP4021-01FTG Stock: 0 On Order: 24.930 Expected 1/18/2027 75.000 Expected 2/16/2027 Factory Lead Time: 29 Weeks	Cut Tape 0,894 € 0,497 € 0,35 € 0,286 € 0,268 € Reel 0,198 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 2.5pF 25A BI for Surge Protection SP4021-01FTG-C Littelfuse 1: 0,955 € 269.720On Order	Mfr. Part No. SP4021-01FTG-C Mouser Part No 576-SP4021-01FTG-C	Littelfuse	ESD Protection Diodes / TVS Diodes 2.5pF 25A BI for Surge Protection Learn More about Littelfuse lightning tvs spa diodes	Datasheet	269.720On Order On Order Ship Dates Mfr. No: SP4021-01FTG-C Stock: 0 On Order: 86.720 Expected 12/29/2026 183.000 Expected 1/5/2027 Factory Lead Time: 29 Weeks	Cut Tape 0,955 € 0,44 € 0,39 € 0,296 € 0,278 € Reel 0,22 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF CG690SM Littelfuse 1: 2,28 € 1.631Expected 1/25/2027	Mfr. Part No. CG690SM Mouser Part No 576-CG690SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF Learn More about Littelfuse CG6 CG7 SMD gas discharge tubes	Datasheet	1.631Expected 1/25/2027	Cut Tape 2,28 € 1,89 € 1,75 € 1,45 € View Reel 1,12 € 1,34 € 1,20 € 1,12 € 1,12 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 172-288V 2A GDT T/R 2 Term SG230 Littelfuse 1: 1,23 € 3.999Expected 2/24/2027	Mfr. Part No. SG230 Mouser Part No 576-SG230	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 172-288V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	3.999Expected 2/24/2027	Cut Tape 1,23 € 1,14 € 0,937 € 0,869 € View Reel 0,616 € 0,777 € 0,716 € 0,66 € 0,616 € MouseReel Available	Min.: 1 Mult.: 1 : 2.000
ESD Protection Diodes / TVS Diodes 4CH 20A 2.5V 3.5pF Lightning Protection SP2504NUTG Littelfuse 1: 2,20 € 4.200Expected 12/28/2026	Mfr. Part No. SP2504NUTG Mouser Part No 576-SP2504NUTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4CH 20A 2.5V 3.5pF Lightning Protection Learn More about Littelfuse lightning tvs spa diodes	Datasheet	4.200Expected 12/28/2026	Cut Tape 2,20 € 1,42 € 1,12 € 0,972 € 0,77 € Reel 0,668 € MouseReel Available	Min.: 1 Mult.: 1 : 3.000
ESD Protection Diodes / TVS Diodes 5V 1uA 22kV UNIDIRECTIONAL SP3030-01ETG Littelfuse 1: 0,344 € 177.893On 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	177.893On Order On Order Ship Dates Mfr. No: SP3030-01ETG Stock: 0 On Order: 27.893 Expected 12/8/2026 150.000 Expected 1/12/2027 Factory Lead Time: 21 Weeks	Cut Tape 0,344 € 0,151 € 0,132 € 0,099 € View Reel 0,052 € 0,079 € 0,077 € 0,073 € 0,052 € MouseReel Available	Min.: 1 Mult.: 1 : 10.000