Circuit Protection – Mouser Taiwan

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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 (TWD) 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: NT$29.04 393,928In 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	393,928In Stock	Cut Tape NT$29.04 NT$13.95 NT$11.51 NT$8.78 Reel NT$6.02 View NT$7.89 NT$5.59 NT$5.52 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.5kW 150V Hi Rel 5% Bi-Directional SMCJ150CA-HRAT7 Littelfuse 1: NT$784.40 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 NT$784.40 NT$676.85 NT$580.05 Reel NT$579.69 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: NT$32.62 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 NT$32.62 NT$27.14 NT$24.23 NT$23.23 NT$22.62 Reel NT$22.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP S.A. STANDARD 600V NOMINAL CG5600L Littelfuse 1: NT$89.63 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 NT$89.63 NT$68.83 NT$57.00 NT$52.34 Reel NT$45.17 NT$41.59	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA SP3003-04ATG Littelfuse 1: NT$80.66 4,847In 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	4,847In Stock	Cut Tape NT$80.66 NT$33.77 NT$28.86 NT$24.27 View Reel NT$20.83 NT$23.63 NT$23.02 NT$20.83 Quote MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes .3pF 10KV 18V SOD8820 SP3118-01ETG Littelfuse 1: NT$19.72 65,241In Stock	Mfr. Part # SP3118-01ETG Mouser Part # 576-SP3118-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes .3pF 10KV 18V SOD8820 Learn More about Littelfuse sp3118 arrays	Datasheet	65,241In Stock	Cut Tape NT$19.72 NT$10.18 NT$8.28 NT$6.45 Reel NT$3.59 View NT$5.70 NT$4.91 NT$4.48 NT$3.41 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM CG590L Littelfuse 1: NT$103.97 3,361In Stock	Mfr. Part # CG590L Mouser Part # 576-CG590L	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors STANDARD 90V NOM	Datasheet	3,361In Stock	Cut Tape NT$103.97 NT$79.59 NT$65.96 NT$60.95 Reel NT$50.19 NT$48.76	Min.: 1 Mult.: 1 : 1,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term SL0902A230SM Littelfuse 1: NT$74.21 3,521In Stock	Mfr. Part # SL0902A230SM Mouser Part # 576-SL0902A230SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term Learn More about Littelfuse sl0902a cg5 gdts	Datasheet	3,521In Stock	Cut Tape NT$74.21 NT$57.36 NT$48.04 NT$46.61 Reel NT$41.23 View NT$40.15 NT$37.28 MouseReel Available	Min.: 1 Mult.: 1 : 900
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 90V SMD Ultra Low 0.3pF CG690SM Littelfuse 1: NT$87.47 888In Stock 2,000Expected 10/26/2026	Mfr. Part # CG690SM Mouser Part # 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	888In Stock 2,000Expected 10/26/2026	Cut Tape NT$87.47 NT$67.04 NT$55.57 NT$51.27 View Reel NT$40.51 NT$47.68 NT$40.51 Quote 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: NT$51.27 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 NT$51.27 NT$39.08 NT$32.37 NT$29.93 Reel NT$22.80 View NT$25.92 NT$22.41 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV SP3001-04JTG Littelfuse 1: NT$45.53 83,980In Stock	Mfr. Part # SP3001-04JTG Mouser Part # 576-SP3001-04JTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4 channels .65pF 8kV	Datasheet	83,980In Stock	Cut Tape NT$45.53 NT$21.83 NT$18.79 NT$14.63 NT$13.87 Reel NT$10.76 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 2 channels .65pF SP3003-02XTG Littelfuse 1: NT$56.28 74,406In Stock	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	74,406In Stock	Cut Tape NT$56.28 NT$29.93 NT$26.21 NT$20.58 Reel NT$15.42 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 600VAC 2A .045ohms 461 NANO2 0461002.ER Littelfuse 1: NT$63.10 24,808In 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	24,808In Stock	Cut Tape NT$63.10 NT$55.93 NT$51.98 NT$45.17 View Reel NT$35.53 NT$40.87 NT$38.36 NT$35.53 NT$35.53 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
Surface Mount Fuses 600VAC 1.25A .104ohms 461 NANO2 04611.25ER Littelfuse 1: NT$69.55 66,360In 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	66,360In Stock	Cut Tape NT$69.55 NT$62.02 NT$57.72 NT$50.55 View Reel NT$25.45 NT$44.81 NT$39.44 NT$34.88 NT$31.55 NT$25.45 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 3.3V 1uA 30kV ESD Contact LC03-3.3BTG Littelfuse 1: NT$121.17 36,540In Stock 30,000Expected 3/8/2027	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	36,540In Stock 30,000Expected 3/8/2027	Cut Tape NT$121.17 NT$65.25 NT$58.79 NT$47.32 NT$45.17 Reel NT$43.74 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 8 Ch 8kV 0.65pF SPA SP3003-08ATG Littelfuse 1: NT$66.68 30,417In Stock 24,000On Order	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	30,417In Stock 24,000On Order On Order Ship Dates Mfr. #: SP3003-08ATG Stock: 30,417 Can Ship Immediately On Order: 4,000 Expected 10/6/2026 20,000 Expected 10/12/2026 Factory Lead-Time: 23 Weeks	Cut Tape NT$66.68 NT$36.21 NT$29.90 NT$23.63 Reel NT$18.25 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes 4 Ch 8kV 6V .45pF SP3010-04UTG Littelfuse 1: NT$50.19 103,610In Stock 56,700Expected 10/13/2026	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	103,610In Stock 56,700Expected 10/13/2026	Cut Tape NT$50.19 NT$26.10 NT$20.86 NT$17.06 NT$16.06 Reel NT$13.55 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF SP3011-06UTG Littelfuse 1: NT$42.66 55,660In Stock	Mfr. Part # SP3011-06UTG Mouser Part # 576-SP3011-06UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 6 Ch 8kV 6V 0.4 pF	Datasheet	55,660In Stock	Cut Tape NT$42.66 NT$29.93 NT$25.10 NT$20.69 Reel NT$14.84 View NT$18.86 NT$14.81 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1.3pF 15A BIDIRECTIONAL SP4022-01FTG-C Littelfuse 1: NT$32.62 130,425In 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	130,425In Stock	Cut Tape NT$32.62 NT$15.34 NT$13.01 NT$9.97 NT$9.46 Reel NT$6.74 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA SP3003-02JTG Littelfuse 1: NT$49.83 25,715In Stock	Mfr. Part # SP3003-02JTG Mouser Part # 576-SP3003-02JTG	Littelfuse	ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	25,715In Stock	Cut Tape NT$49.83 NT$26.78 NT$23.19 NT$18.46 NT$17.17 Reel NT$14.02 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA SP3003-04JTG Littelfuse 1: NT$45.53 23,453In Stock	Mfr. Part # SP3003-04JTG Mouser Part # 576-SP3003-04JTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	23,453In Stock	Cut Tape NT$45.53 NT$21.83 NT$18.79 NT$14.63 NT$13.26 Reel NT$10.76 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 4 channels .65pF SP3003-04XTG Littelfuse 1: NT$46.61 8,227In Stock	Mfr. Part # SP3003-04XTG Mouser Part # 576-SP3003-04XTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4 channels .65pF Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	8,227In Stock	Cut Tape NT$46.61 NT$22.26 NT$19.22 NT$14.99 NT$14.20 Reel NT$11.04 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 2 CH 8KV 0.5pF SP3006-02XTG Littelfuse 1: NT$43.74 3,600In Stock	Mfr. Part # SP3006-02XTG Mouser Part # 576-SP3006-02XTG	Littelfuse	ESD Protection Diodes / TVS Diodes 2 CH 8KV 0.5pF	Datasheet	3,600In Stock	Cut Tape NT$43.74 NT$28.82 NT$23.19 NT$19.43 NT$17.06 Reel NT$15.42 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes .3pF 10KV 28V 0201 Flipchip SP3130-01WTG Littelfuse 1: NT$19.36 31,438In 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	31,438In Stock	Cut Tape NT$19.36 NT$10.18 NT$7.85 NT$6.38 View Reel NT$3.91 NT$5.74 NT$5.34 NT$5.02 NT$3.91 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Surface Mount Fuses 600VAC 0.5A .56ohms 461 NANO2 0461.500ER Littelfuse 1: NT$90.34 7,844In Stock	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	7,844In Stock	Cut Tape NT$90.34 NT$81.38 NT$75.29 NT$62.38 View Reel NT$40.87 NT$57.72 NT$51.62 NT$47.68 NT$44.10 NT$40.87 MouseReel Available	Min.: 1 Mult.: 1 : 2,500

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