Circuit Protection – Mouser Japan

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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 (JPY) Filter the results in the table by unit price based on your quantity.	Qty.
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400-600V 2A GDT T/R 2 Term SG500Q Littelfuse 1: ¥225.9 3,430In Stock	Mfr. Part # SG500Q Mouser Part # 576-SG500Q	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 400-600V 2A GDT T/R 2 Term	Datasheet	3,430In Stock	Cut Tape ¥225.9 ¥209.3 ¥172.7 ¥159.5 View Reel ¥118.9 ¥143.2 ¥134.9 ¥127.2 ¥118.9 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: ¥225.9 2,084In Stock 30,000On Order	Mfr. Part # SG75 Mouser Part # 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	2,084In Stock 30,000On Order On Order Ship Dates Mfr. #: SG75 Stock: 2,084 Can Ship Immediately On Order: 8,000 Expected 12/15/2026 10,000 Expected 2/1/2027 12,000 Expected 2/11/2027 Factory Lead-Time: 17 Weeks	Cut Tape ¥225.9 ¥209.3 ¥172.7 ¥159.5 View Reel ¥118.9 ¥143.2 ¥134.9 ¥128.2 ¥118.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term SG90 Littelfuse 1: ¥237.5 6,139In Stock	Mfr. Part # SG90 Mouser Part # 576-SG90	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors 63-117V 2A GDT T/R 2 Term Learn More about Littelfuse SGGDT	Datasheet	6,139In Stock	Cut Tape ¥237.5 ¥219.3 ¥181 ¥167.8 View Reel ¥118.9 ¥150.2 ¥138.4 ¥127.6 ¥118.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term SL0902A090SM Littelfuse 1: ¥446.8 6,298In Stock	Mfr. Part # SL0902A090SM Mouser Part # 576-SL0902A090SM	Littelfuse	Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 90V Minitube 2 Term Learn More about Littelfuse sl0902a cg5 gdts	Datasheet	6,298In Stock	Cut Tape ¥446.8 ¥378.7 ¥348.8 ¥289 View Reel ¥199.3 ¥267.4 ¥240.8 ¥199.3 ¥199.3 MouseReel Available	Min.: 1 Mult.: 1 : 900
Gas Discharge Tubes - GDTs / Gas Plasma Arrestors GP 5X5 230V Minitube 2 Term SL0902A230SM Littelfuse 1: ¥446.8 1,721In 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	1,721In Stock	Cut Tape ¥446.8 ¥378.7 ¥348.8 ¥307.3 Reel ¥207.6 View ¥274.1 ¥267.4 ¥222.6 ¥199.3 MouseReel Available	Min.: 1 Mult.: 1 : 900
ESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array SP0504SHTG Littelfuse 1: ¥161.1 23,566In Stock	Mfr. Part # SP0504SHTG Mouser Part # 576-SP0504SHTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4 Ch 12kV 5V TVS Diode Array Learn More about Littelfuse general esd tvs diodes	Datasheet	23,566In Stock	Cut Tape ¥161.1 ¥73.7 ¥65.1 ¥50 Reel ¥45.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 75A 30KV 3.3V Lightning Protection SP2502LBTG Littelfuse 1: ¥524.9 3,104In Stock 5,000Expected 1/19/2027	Mfr. Part # SP2502LBTG Mouser Part # 576-SP2502LBTG	Littelfuse	ESD Protection Diodes / TVS Diodes 75A 30KV 3.3V Lightning Protection Learn More about Littelfuse lightning tvs spa diodes	Datasheet	3,104In Stock 5,000Expected 1/19/2027	Cut Tape ¥524.9 ¥340.5 ¥277.4 ¥234.2 View Reel ¥159.8 ¥197.7 ¥167.8 ¥159.8 MouseReel Available	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV SP3002-04JTG Littelfuse 1: ¥209.3 11,089In Stock 192,000On Order	Mfr. Part # SP3002-04JTG Mouser Part # 576-SP3002-04JTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4 channels 1.1pF 15kV	Datasheet	11,089In Stock 192,000On Order On Order Ship Dates Mfr. #: SP3002-04JTG Stock: 11,089 Can Ship Immediately On Order: 39,000 Expected 2/15/2027 153,000 Expected 2/22/2027 Factory Lead-Time: 19 Weeks	Cut Tape ¥209.3 ¥97.2 ¥86.2 ¥66.8 Reel ¥46.5 ¥43.7 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 2 Ch 8kV 0.65pF SPA SP3003-02JTG Littelfuse 1: ¥247.5 22,072In Stock 27,000Expected 11/25/2026	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	22,072In Stock 27,000Expected 11/25/2026	Cut Tape ¥247.5 ¥166.1 ¥124.1 ¥110.5 Reel ¥57.5 View ¥86.5 ¥80.2 ¥56.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 2 Ch 8KV 5V .65pF Low Cap SP3003-02UTG Littelfuse 1: ¥210.9 9,165In Stock	Mfr. Part # SP3003-02UTG Mouser Part # 576-SP3003-02UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 2 Ch 8KV 5V .65pF Low Cap Learn More about Littelfuse low capacitance esd spa diodes	Datasheet	9,165In Stock	Cut Tape ¥210.9 ¥134.4 ¥105.1 ¥91.2 View Reel ¥52.3 ¥70.8 ¥67.3 ¥52.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 4 Ch 8kV 0.65pF SPA SP3003-04JTG Littelfuse 1: ¥217.6 20,109In 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	20,109In Stock	Cut Tape ¥217.6 ¥136.4 ¥101.2 ¥89.9 Reel ¥48.5 View ¥69.8 ¥61.5 ¥46.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 4 channels .65pF SP3003-04XTG Littelfuse 1: ¥220.9 8,167In Stock 9,000Expected 3/31/2027	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	8,167In Stock 9,000Expected 3/31/2027	Cut Tape ¥220.9 ¥124.2 ¥103.1 ¥82.7 ¥65.3 Reel ¥51.2 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 4 Ch, 12kV, 0.85pF SOT5630 SP3004-04XTG Littelfuse 1: ¥212.6 10,048In Stock	Mfr. Part # SP3004-04XTG Mouser Part # 576-SP3004-04XTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4 Ch, 12kV, 0.85pF SOT5630	Datasheet	10,048In Stock	Cut Tape ¥212.6 ¥123.1 ¥99.2 ¥81.7 View Reel ¥48.5 ¥64.6 ¥59.6 ¥48.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 2 CH 8KV 0.5pF SP3006-02XTG Littelfuse 1: ¥282.4 3,585In Stock	Mfr. Part # SP3006-02XTG Mouser Part # 576-SP3006-02XTG	Littelfuse	ESD Protection Diodes / TVS Diodes 2 CH 8KV 0.5pF	Datasheet	3,585In Stock	Cut Tape ¥282.4 ¥179.4 ¥155 ¥113.8 Reel ¥73.9 View ¥89.5 ¥83.5 ¥71.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array SP3019-04HTG Littelfuse 1: ¥174.4 10,986In Stock	Mfr. Part # SP3019-04HTG Mouser Part # 576-SP3019-04HTG	Littelfuse	ESD Protection Diodes / TVS Diodes 0.3pF SOT23-6L 4 Ch Diode Array Learn More about Littelfuse sp3019 diodes	Datasheet	10,986In Stock	Cut Tape ¥174.4 ¥80.2 ¥70.9 ¥54.6 ¥53.2 Reel ¥36.7 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL SP3022-01ETG Littelfuse 1: ¥98 15,240In Stock 20,000Expected 3/4/2027	Mfr. Part # SP3022-01ETG Mouser Part # 576-SP3022-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes 0.35pF 20kV BIDIRECTIONAL Learn More about Littelfuse sp3022 diodes	Datasheet	15,240In Stock 20,000Expected 3/4/2027	Cut Tape ¥98 ¥50.3 ¥40 ¥31.9 View Reel ¥19.8 ¥30.4 ¥27.4 ¥25.1 ¥19.8 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes .3pF 10KV 18V SOD8820 SP3118-01ETG Littelfuse 1: ¥104.6 57,025In 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	57,025In Stock	Cut Tape ¥104.6 ¥47.2 ¥41.5 ¥31.4 View Reel ¥18.1 ¥30.2 ¥27.9 ¥27.1 ¥18.1 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 4CH 15A 3.3V 3.5pF Lightning Protection SP3312TUTG Littelfuse 1: ¥219.3 6,124In Stock 9,000Expected 3/4/2027	Mfr. Part # SP3312TUTG Mouser Part # 576-SP3312TUTG	Littelfuse	ESD Protection Diodes / TVS Diodes 4CH 15A 3.3V 3.5pF Lightning Protection Learn More about Littelfuse sp3312t series	Datasheet	6,124In Stock 9,000Expected 3/4/2027	Cut Tape ¥219.3 ¥143.7 ¥123.7 ¥98.8 ¥90.4 Reel ¥78.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 3.3V 40A AEC-Q101 SP3374NUTG Littelfuse 1: ¥406.9 16,609In Stock 12,000Expected 12/10/2026	Mfr. Part # SP3374NUTG Mouser Part # 576-SP3374NUTG	Littelfuse	ESD Protection Diodes / TVS Diodes 3.3V 40A AEC-Q101 Learn More about Littelfuse sp3374nutg diodes	Datasheet	16,609In Stock 12,000Expected 12/10/2026	Cut Tape ¥406.9 ¥199.3 ¥179.4 ¥142.8 ¥139 Reel ¥119.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array SP3400-02UTG Littelfuse 1: ¥177.7 22,559In Stock	Mfr. Part # SP3400-02UTG Mouser Part # 576-SP3400-02UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 1pF uDFN-6L 2 Ch Diode Array Learn More about Littelfuse lightning tvs spa diodes	Datasheet	22,559In Stock	Cut Tape ¥177.7 ¥84.5 ¥72.1 ¥56.6 ¥53.7 Reel ¥39.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 0.2pF 22kV DFN-5 SP3422-04UTG Littelfuse 1: ¥81.4 45,760In Stock	Mfr. Part # SP3422-04UTG Mouser Part # 576-SP3422-04UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 0.2pF 22kV DFN-5 Learn More about Littelfuse sp3422 tvs diode arrays	Datasheet	45,760In Stock	Cut Tape ¥81.4 ¥42.7 ¥33.1 ¥27.9 Reel ¥17.6 View ¥25.6 ¥15.9 ¥15.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882 SP3522-01ETG Littelfuse 1: ¥74.7 19,338In Stock 50,000Expected 11/12/2026	Mfr. Part # SP3522-01ETG Mouser Part # 576-SP3522-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF SOD882 Learn More about Littelfuse sp3522	Datasheet	19,338In Stock 50,000Expected 11/12/2026	Cut Tape ¥74.7 ¥33.4 ¥26.6 ¥20.3 Reel ¥11.5 View ¥19.1 ¥18.3 ¥18.1 ¥11.3 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF 0201 DFN SP3522-01UTG Littelfuse 1: ¥64.8 40,109In Stock	Mfr. Part # SP3522-01UTG Mouser Part # 576-SP3522-01UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 1 Ch 22kV 9.2V .15pF 0201 DFN Learn More about Littelfuse sp3522	Datasheet	40,109In Stock	Cut Tape ¥64.8 ¥28.7 ¥24.7 ¥18.6 View Reel ¥9.3 ¥16.6 ¥15.9 ¥14.9 ¥9.3 ¥9.3 MouseReel Available	Min.: 1 Mult.: 1 : 15,000
ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI SOD882 SP3530-01ETG Littelfuse 1: ¥69.8 61,045In Stock	Mfr. Part # SP3530-01ETG Mouser Part # 576-SP3530-01ETG	Littelfuse	ESD Protection Diodes / TVS Diodes 1 Ch 22kV 8.2V .3pF UNI SOD882 Learn More about Littelfuse sp3530	Datasheet	61,045In Stock	Cut Tape ¥69.8 ¥31.1 ¥26.9 ¥20.1 Reel ¥10.5 View ¥18.8 ¥17.6 ¥10.3 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes 3.3V Diode Array SP4042-02UTG Littelfuse 1: ¥790.6 2,675In Stock 15,000On Order	Mfr. Part # SP4042-02UTG Mouser Part # 576-SP4042-02UTG	Littelfuse	ESD Protection Diodes / TVS Diodes 3.3V Diode Array Learn More about Littelfuse SP4042 TVS diodes	Datasheet	2,675In Stock 15,000On Order On Order Ship Dates Mfr. #: SP4042-02UTG Stock: 2,675 Can Ship Immediately On Order: 6,000 Expected 11/30/2026 9,000 Expected 2/23/2027 Factory Lead-Time: 19 Weeks	Cut Tape ¥790.6 ¥519.9 ¥425.2 ¥358.8 View Reel ¥257.5 ¥318.9 ¥272.4 ¥257.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000