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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 (KRW) Filter the results in the table by unit price based on your quantity.	Qty.
ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL SP4024-01FTG Littelfuse 1: ₩1,170 393,264In Stock	Mfr. Part # SP4024-01FTG Mouser Part # 576-SP4024-01FTG	Littelfuse	ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL Learn More about Littelfuse sp402x arrays	Datasheet	393,264In Stock	Cut Tape ₩1,170 ₩606.8 ₩532 ₩408.7 Reel ₩262.1 View ₩393.1 ₩251.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA SP3003-04ATG Littelfuse 1: ₩3,634.8 4,775In Stock	Mfr. Part # SP3003-04ATG Mouser Part # 576-SP3003-04ATG	Littelfuse	ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	4,775In Stock	Cut Tape ₩3,634.8 ₩1,918.8 ₩1,575.6 ₩1,360.3 Reel ₩907.9 View ₩1,154.4 ₩1,104.5 ₩906.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 2CH 5V 2A 0.2pF SP3423-02UTG Littelfuse 1: ₩1,560 8,516In Stock	Mfr. Part # SP3423-02UTG Mouser Part # 576-SP3423-02UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 2CH 5V 2A 0.2pF Learn More about Littelfuse sp3423 tvs diode	Datasheet	8,516In Stock	Cut Tape ₩1,560 ₩712.9 ₩567.8 ₩427.4 Reel ₩313.6 View ₩410.3 ₩279.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM CG590L Littelfuse 1: ₩5,444.4 3,354In Stock	Mfr. Part # CG590L Mouser Part # 576-CG590L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM	Datasheet	3,354In Stock	Cut Tape ₩5,444.4 ₩4,524 ₩4,180.8 ₩3,463.2 View Reel ₩2,121.6 ₩3,198 ₩2,870.4 ₩2,652 ₩2,121.6	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL CG5600L Littelfuse 1: ₩4,290 1,221In Stock	Mfr. Part # CG5600L Mouser Part # 576-CG5600L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL	Datasheet	1,221In Stock	Cut Tape ₩4,290 ₩3,868.8 ₩3,603.6 ₩2,995.2 Reel ₩1,918.8 View ₩2,620.8 ₩2,449.2 ₩2,074.8 ₩1,809.6	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes 1.5kW 150V Hi Rel 5% Bi-Directional SMCJ150CA-HRAT7 Littelfuse 1: ₩34,132.8 319In Stock	Mfr. Part # SMCJ150CA-HRAT7 Mouser Part # 576-SMCJ150CA-HRAT7	Littelfuse	ESD Protection Diodes / TVS Diodes 1.5kW 150V Hi Rel 5% Bi-Directional Learn More about Littelfuse smcj hr a tvs diodes	Datasheet	319In Stock	Cut Tape ₩34,132.8 ₩29,452.8 ₩25,240.8 Reel ₩25,225.2 MouseReel Available	Min.: 1 Mult.: 1 : 500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term SG420 Littelfuse 1: ₩2,230.8 2,525In Stock	Mfr. Part # SG420 Mouser Part # 576-SG420	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 315-525V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	2,525In Stock	Cut Tape ₩2,230.8 ₩1,669.2 ₩1,402.4 ₩1,277.6 Reel ₩992.2 View ₩1,207.4 ₩1,104.5 ₩1,042.1 ₩975 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term SG350 Littelfuse 1: ₩2,230.8 1,995In Stock	Mfr. Part # SG350 Mouser Part # 576-SG350	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	1,995In Stock	Cut Tape ₩2,230.8 ₩2,059.2 ₩1,700.4 ₩1,575.6 Reel ₩992.2 View ₩1,410.2 ₩1,301 ₩1,204.3 ₩975 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2 0461002.ER Littelfuse 1: ₩2,745.6 24,132In Stock	Mfr. Part # 0461002.ER Mouser Part # 576-0461002.ER	Littelfuse	Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2 Learn More about Littelfuse 461 telelink fuses	Datasheet	24,132In Stock	Cut Tape ₩2,745.6 ₩2,433.6 ₩2,262 ₩1,965.6 View Reel ₩1,546 ₩1,778.4 ₩1,669.2 ₩1,546 ₩1,546 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 04611.25ER Littelfuse 1: ₩3,026.4 64,586In Stock	Mfr. Part # 04611.25ER Mouser Part # 576-04611.25ER	Littelfuse	Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 Learn More about Littelfuse 461 telelink fuses	Datasheet	64,586In Stock	Cut Tape ₩3,026.4 ₩2,698.8 ₩2,511.6 ₩2,199.6 View Reel ₩1,107.6 ₩1,950 ₩1,716 ₩1,517.9 ₩1,372.8 ₩1,107.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact LC03-3.3BTG Littelfuse 1: ₩5,647.2 33,348In Stock 30,000Expected 1/28/2027	Mfr. Part # LC03-3.3BTG Mouser Part # 576-LC03-3.3BTG	Littelfuse	ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact Learn More about Littelfuse lc03	Datasheet	33,348In Stock 30,000Expected 1/28/2027	Cut Tape ₩5,647.2 ₩3,666 ₩3,042 ₩2,605.2 View Reel ₩1,778.4 ₩2,199.6 ₩1,872 ₩1,778.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV SP3001-04JTG Littelfuse 1: ₩2,043.6 80,968In Stock 60,000Expected 12/30/2026	Mfr. Part # SP3001-04JTG Mouser Part # 576-SP3001-04JTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV	Datasheet	80,968In Stock 60,000Expected 12/30/2026	Cut Tape ₩2,043.6 ₩1,107.6 ₩950 ₩844 View Reel ₩468 ₩655.2 ₩613.1 ₩468 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 2 channels .65pF SP3003-02XTG Littelfuse 1: ₩2,449.2 68,003In Stock 45,000Expected 2/25/2027	Mfr. Part # SP3003-02XTG Mouser Part # 576-SP3003-02XTG	Littelfuse	ESD Protection Diodes / TVS Diodes 2 channels .65pF Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	68,003In Stock 45,000Expected 2/25/2027	Cut Tape ₩2,449.2 ₩1,302.6 ₩1,140.4 ₩895.4 Reel ₩670.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 8 Ch 8kV 0.65pF SPA SP3003-08ATG Littelfuse 1: ₩3,151.2 51,524In Stock	Mfr. Part # SP3003-08ATG Mouser Part # 576-SP3003-08ATG	Littelfuse	ESD Protection Diodes / TVS Diodes 8 Ch 8kV 0.65pF SPA Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	51,524In Stock	Cut Tape ₩3,151.2 ₩1,981.2 ₩1,575.6 ₩1,326 Reel ₩850.2 View ₩1,032.7 ₩890.8 ₩783.1 ₩720.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF SP3010-04UTG Littelfuse 1: ₩2,620.8 152,444In Stock	Mfr. Part # SP3010-04UTG Mouser Part # 576-SP3010-04UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF Learn More about Littelfuse LittelfuseSP3010	Datasheet	152,444In Stock	Cut Tape ₩2,620.8 ₩1,638 ₩1,079.5 ₩833 Reel ₩672.4 View ₩706.7 ₩613.1 ₩580.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF SP3011-06UTG Littelfuse 1: ₩2,917.2 53,171In Stock	Mfr. Part # SP3011-06UTG Mouser Part # 576-SP3011-06UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF	Datasheet	53,171In Stock	Cut Tape ₩2,917.2 ₩1,825.2 ₩1,475.8 ₩1,232.4 Reel ₩789.4 View ₩959.4 ₩826.8 ₩728.5 ₩669.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL SP4022-01FTG-C Littelfuse 1: ₩1,450.8 128,099In Stock	Mfr. Part # SP4022-01FTG-C Mouser Part # 576-SP4022-01FTG-C	Littelfuse	ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL Learn More about Littelfuse sp402x arrays	Datasheet	128,099In Stock	Cut Tape ₩1,450.8 ₩667.7 ₩577.2 ₩441.5 ₩430.6 Reel ₩293.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip SP3130-01WTG Littelfuse 1: ₩842.4 31,398In Stock	Mfr. Part # SP3130-01WTG Mouser Part # 576-SP3130-01WTG	Littelfuse	ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip Learn More about Littelfuse sp3130 diode arrays	Datasheet	31,398In Stock	Cut Tape ₩842.4 ₩443 ₩341.6 ₩277.7 View Reel ₩170 ₩249.6 ₩232.4 ₩218.4 ₩170 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 0461.500ER Littelfuse 1: ₩3,931.2 7,507In Stock 5,000Expected 2/10/2027	Mfr. Part # 0461.500ER Mouser Part # 576-0461.500ER	Littelfuse	Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 Learn More about Littelfuse 461 telelink fuses	Datasheet	7,507In Stock 5,000Expected 2/10/2027	Cut Tape ₩3,931.2 ₩3,541.2 ₩3,276 ₩2,714.4 View Reel ₩1,778.4 ₩2,511.6 ₩2,246.4 ₩2,074.8 ₩1,918.8 ₩1,778.4 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD CG590LTR Littelfuse 1: ₩4,570.8 1,004In Stock	Mfr. Part # CG590LTR Mouser Part # 576-CG590LTR	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V NOMINAL GP S.A. STANDARD	Datasheet	1,004In Stock	Cut Tape ₩4,570.8 ₩3,790.8 ₩3,510 ₩2,917.2 View Reel ₩2,262 ₩2,683.2 ₩2,418 ₩2,262	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 230V SMD Ultra Low 0.3pF CG6230SM Littelfuse 1: ₩4,227.6 1,128In Stock	Mfr. Part # CG6230SM Mouser Part # 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	1,128In Stock	Cut Tape ₩4,227.6 ₩4,118.4 ₩3,806.4 ₩3,151.2 View Reel ₩2,028 ₩2,792.4 ₩2,620.8 ₩2,293.2 ₩2,059.2 ₩2,028 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF CG675SM Littelfuse 1: ₩4,134 1,429In Stock 4,000Expected 11/30/2026	Mfr. Part # CG675SM Mouser Part # 576-CG675SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 75V SMD Ultra Low 0.3pF Learn More about Littelfuse CG6 CG7 SMD gas discharge tubes	Datasheet	1,429In Stock 4,000Expected 11/30/2026	Cut Tape ₩4,134 ₩3,432 ₩3,166.8 ₩2,636.4 View Reel ₩2,028 ₩2,433.6 ₩2,184 ₩2,168.4 ₩2,059.2 ₩2,028 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V Square SG SG200 Littelfuse 1: ₩2,230.8 2,016In Stock	Mfr. Part # SG200 Mouser Part # 576-SG200	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 200V Square SG	Datasheet	2,016In Stock	Cut Tape ₩2,230.8 ₩2,059.2 ₩1,700.4 ₩1,575.6 View Reel ₩1,117 ₩1,410.2 ₩1,299.5 ₩1,198.1 ₩1,117 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term SG350Q Littelfuse 1: ₩2,012.4 18,290In Stock 8,000Expected 3/4/2027	Mfr. Part # SG350Q Mouser Part # 576-SG350Q	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 263-437V GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	18,290In Stock 8,000Expected 3/4/2027	Cut Tape ₩2,012.4 ₩1,856.4 ₩1,530.4 ₩1,411.8 Reel ₩1,190.3 View ₩1,269.8 ₩1,195 ₩1,117 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term SG400 Littelfuse 1: ₩2,012.4 4,016In Stock	Mfr. Part # SG400 Mouser Part # 576-SG400	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 300-500V 2A GDT T/R 2 Term Learn More about Littelfuse sg series sgdt	Datasheet	4,016In Stock	Cut Tape ₩2,012.4 ₩1,856.4 ₩1,747.2 ₩1,530.4 Reel ₩1,201.2 View ₩1,377.5 ₩1,301 ₩1,219.9 ₩1,117 MouseReel Available	Min.: 1 Mult.: 1 : 2,000

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