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Circuit Protection

Circuit Protection devices and components are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many circuit protection manufacturers including Bourns, Eaton, TDK, Littelfuse, Semtech, Vishay, & more.
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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.
Circuit Breaker Accessories PDG2 TERMINAL (STEEL), 100A, 14-1/0, 3P Eaton Electrical PDG2X3T100 PDG2X3T100 Eaton Electrical 1: ¥14,748 5In Stock 6Expected 11/13/2026 New Product	Mfr. Part # PDG2X3T100 Mouser Part # 504-PDG2X3T100 New Product	Eaton Electrical	Circuit Breaker Accessories PDG2 TERMINAL (STEEL), 100A, 14-1/0, 3P	Datasheet	5In Stock 6Expected 11/13/2026	¥14,748 ¥12,233.3 ¥11,504.1 ¥9,585.6 ¥8,946.1	Min.: 1 Mult.: 1
Circuit Breaker Accessories PDG5 TERM (AL), 1200A, (4) 4/0-500 Eaton Electrical PDG5X1TA1200 PDG5X1TA1200 Eaton Electrical 1: ¥21,714.3 5In Stock New Product	Mfr. Part # PDG5X1TA1200 Mouser Part # 504-PDG5X1TA1200 New Product	Eaton Electrical	Circuit Breaker Accessories PDG5 TERM (AL), 1200A, (4) 4/0-500	Datasheet	5In Stock	¥21,714.3 ¥18,005.2 ¥16,603.4 ¥13,731.5 View ¥12,683.4 Quote	Min.: 1 Mult.: 1
Cartridge Fuses 250V 4A Slo-Blo 0215004.MXEP Littelfuse 1: ¥536.5 9,351In Stock	Mfr. Part # 0215004.MXEP Mouser Part # 576-0215004.MXEP	Littelfuse	Cartridge Fuses 250V 4A Slo-Blo Learn More about Littelfuse 5x20 fuseholders	Datasheet	9,351In Stock	¥536.5 ¥445.1 ¥372.1 ¥330.5 View ¥292.3 ¥272.4 ¥252.5 ¥235.9 ¥232.5	Min.: 1 Mult.: 1
Cartridge Fuses 250V 8A Medium Acting 0234008.MXP Littelfuse 1: ¥191 24,035In Stock	Mfr. Part # 0234008.MXP Mouser Part # 576-0234008.MXP	Littelfuse	Cartridge Fuses 250V 8A Medium Acting Learn More about Littelfuse 5x20 fuseholders	Datasheet	24,035In Stock	¥191 ¥165.3 ¥155.1 ¥130.9 View ¥125.2 ¥119.9 ¥115.6 ¥108.5 ¥108	Min.: 1 Mult.: 1
Cartridge Fuses FUSE 420Vac/dc 5X20 FA PT 20A 0487020.MXEP Littelfuse 1: ¥1,157.7 3,933In Stock	Mfr. Part # 0487020.MXEP Mouser Part # 576-0487020.MXEP	Littelfuse	Cartridge Fuses FUSE 420Vac/dc 5X20 FA PT 20A Learn More about Littelfuse 487 series fuses	Datasheet	3,933In Stock	¥1,157.7 ¥961.7 ¥887 ¥735.8 View ¥679.3 ¥609.6 ¥561.4 ¥551.5	Min.: 1 Mult.: 1
Automotive Fuses 60A W/ M6 Holes MIDI 0498060.MXM6 Littelfuse 1: ¥483.4 10,910In Stock	Mfr. Part # 0498060.MXM6 Mouser Part # 576-0498060.MXM6	Littelfuse	Automotive Fuses 60A W/ M6 Holes MIDI	Datasheet	10,910In Stock	¥483.4 ¥402 ¥370.4 ¥307.3 View ¥284 ¥224.2 ¥209.3 ¥207.6	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 6V 3.0A 1210 PTC SL 1210L300SLWR Littelfuse 1: ¥312.3 17,914In Stock	Mfr. Part # 1210L300SLWR Mouser Part # 576-1210L300SLWR	Littelfuse	Resettable Fuses - PPTC 6V 3.0A 1210 PTC SL Learn More about Littelfuse lorho	Datasheet	17,914In Stock	Cut Tape ¥312.3 ¥287.4 ¥239.2 ¥220.9 Reel ¥142.2 View ¥197.7 ¥182.7 ¥167.8 ¥138.9	Min.: 1 Mult.: 1 : 3,000
Automotive Fuses 100A 48V FUSE STRIP 157.5701.6101 Littelfuse 1: ¥1,694.2 3,162In Stock	Mfr. Part # 157.5701.6101 Mouser Part # 576-157.5701.6101	Littelfuse	Automotive Fuses 100A 48V FUSE STRIP	Datasheet	3,162In Stock	¥1,694.2 ¥1,406.9 ¥1,298.9 ¥991.6 View ¥827.2 ¥807.2 ¥795.6	Min.: 1 Mult.: 1
Fuses with Leads - Through Hole 300V UL TL TR5 LL 1A 38311000000 Littelfuse 1: ¥280.7 22,727In Stock	Mfr. Part # 38311000000 Mouser Part # 576-38311000000	Littelfuse	Fuses with Leads - Through Hole 300V UL TL TR5 LL 1A Learn More about Littelfuse 383 radial lead fuses	Datasheet	22,727In Stock	¥280.7 ¥247.5 ¥220.9 ¥189.4 Reel ¥114.1 View ¥165.4 ¥156.6 ¥137.9 ¥113.1	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes TVS 5KW 33V 5%BI DO-214AB TR13 RoHS 5.0SMDJ33CAS-HRA Littelfuse 1: ¥5,468 2,210In Stock	Mfr. Part # 5.0SMDJ33CAS-HRA Mouser Part # 576-5SMDJ33CAS-HRA	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 5KW 33V 5%BI DO-214AB TR13 RoHS	Datasheet	2,210In Stock	Cut Tape ¥5,468 ¥4,702.3 ¥4,331.9 ¥4,014.6	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 110V 8.0SMDJ110CA Littelfuse 1: ¥906.9 8,770In Stock	Mfr. Part # 8.0SMDJ110CA Mouser Part # 576-8.0SMDJ110CA	Littelfuse	ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 110V Learn More about Littelfuse 80smdj tvs diodes	Datasheet	8,770In Stock	Cut Tape ¥906.9 ¥607.9 ¥495 ¥451.8 View Reel ¥338.8 ¥400.3 ¥367.1 ¥338.8 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 12V 8.0SMDJ12CA Littelfuse 1: ¥832.2 8,528In Stock	Mfr. Part # 8.0SMDJ12CA Mouser Part # 576-8.0SMDJ12CA	Littelfuse	ESD Protection Diodes / TVS Diodes 8.0SMDJ - CA 12V Learn More about Littelfuse 80smdj tvs diodes	Datasheet	8,528In Stock	Cut Tape ¥832.2 ¥551.5 ¥430.2 ¥390.3 ¥337.2 Reel ¥274.1 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes 450W 36V BI AEC-Q101 AQ36C-01FTG Littelfuse 1: ¥83.1 425,998In Stock	Mfr. Part # AQ36C-01FTG Mouser Part # 576-AQ36C-01FTG	Littelfuse	ESD Protection Diodes / TVS Diodes 450W 36V BI AEC-Q101 Learn More about Littelfuse aqx tvs diode arrays	Datasheet	425,998In Stock	Cut Tape ¥83.1 ¥41 ¥36.9 ¥29.6 Reel ¥21.3 ¥19.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Industrial & Electrical Fuses 6A 1500 VDC Solar 30kA Photovoltaic SPXV006.L Littelfuse 1: ¥4,944.8 751In Stock	Mfr. Part # SPXV006.L Mouser Part # 576-SPXV006.L	Littelfuse	Industrial & Electrical Fuses 6A 1500 VDC Solar 30kA Photovoltaic Learn More about Littelfuse spxv solarfuse	Datasheet	751In Stock	¥4,944.8 ¥4,288.7 ¥4,011.3 ¥3,252.2 View ¥3,227.3 ¥3,177.5	Min.: 1 Mult.: 1
Varistors 25VAC 31VDC 9.6J 610 0pF 39 V 65V VG222031Y650DP KYOCERA AVX 1: ¥330.5 19,720In Stock 8,000Expected 5/3/2027	Mfr. Part # VG222031Y650DP Mouser Part # 581-VG222031Y650DP	KYOCERA AVX	Varistors 25VAC 31VDC 9.6J 610 0pF 39 V 65V	Datasheet	19,720In Stock 8,000Expected 5/3/2027	Cut Tape ¥330.5 ¥222.6 ¥197.7 ¥187.7 Reel ¥171.1 View ¥179.4 ¥166.1 ¥165.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p TPD1E10B06QDPYRQ1 Texas Instruments 1: ¥122.9 165,709In Stock	Mfr. Part # TPD1E10B06QDPYRQ1 Mouser Part # 595-PD1E10B06QDPYRQ1	Texas Instruments	ESD Protection Diodes / TVS Diodes Automotive 12-pF +/ -5.5V +/-30-kV ESD p Learn More about Texas Instruments ti tpd1e10b	Datasheet	165,709In Stock	Cut Tape ¥122.9 ¥55.8 ¥49 ¥37.2 Reel ¥24.4 View ¥33.9 ¥33.4 ¥21.8 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
Circuit Breakers TMC 81C 05A 2907562 Phoenix Contact 1: ¥4,708.9 2,597In Stock	Mfr. Part # 2907562 Mouser Part # 651-2907562	Phoenix Contact	Circuit Breakers TMC 81C 05A Learn More about Phoenix Contact TMC thermomagnetic circuit breakers	Datasheet	2,597In Stock	¥4,708.9	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 28V 5KW 5% BI DO-214AB (SMC) 5.0SMDJ28CA Bourns 1: ¥436.8 21,121In Stock	Mfr. Part # 5.0SMDJ28CA Mouser Part # 652-5.0SMDJ28CA	Bourns	ESD Protection Diodes / TVS Diodes 28V 5KW 5% BI DO-214AB (SMC) Learn More about Bourns 50smdj tvs diodes	Datasheet	21,121In Stock	Cut Tape ¥436.8 ¥280.7 ¥214.3 ¥159.1 Reel ¥114.1 View ¥135.4 ¥134.4 ¥111.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Surface Mount Fuses 20A 250V FAST ACTING SF-3812F2000T-2 Bourns 1: ¥631.2 9,323In Stock	Mfr. Part # SF-3812F2000T-2 Mouser Part # 652-SF-3812F2000T-2	Bourns	Surface Mount Fuses 20A 250V FAST ACTING Learn More about Bourns sf 3812f t smd fuses	Datasheet	9,323In Stock	Cut Tape ¥631.2 ¥543.1 ¥367.1 ¥342.2 Reel ¥264.1 View ¥315.6 ¥297.3 ¥292.3 ¥257.5	Min.: 1 Mult.: 1 : 2,500
ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir SMLJ22CA Bourns 1: ¥307.3 33,738In Stock	Mfr. Part # SMLJ22CA Mouser Part # 652-SMLJ22CA	Bourns	ESD Protection Diodes / TVS Diodes 22volts 5uA 84.4 Amps Bi-Dir Learn More about Bourns _smlj	Datasheet	33,738In Stock	Cut Tape ¥307.3 ¥196 ¥105.1 ¥95.7 View Reel ¥70.6 ¥81.1 ¥79.2 ¥70.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Circuit Breakers CIRCUIT BREAKER SWITCH 25A WH W68-X2Q12-25 TE Connectivity / P&B 1: ¥52,673.6 87In Stock	Mfr. Part # W68-X2Q12-25 Mouser Part # 655-W68-X2Q12-25	TE Connectivity / P&B	Circuit Breakers CIRCUIT BREAKER SWITCH 25A WH	Datasheet	87In Stock	¥52,673.6 ¥46,338.6 ¥30,929.5 ¥29,094.1 Quote Quote	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes ESD PROTECTION ESD9101P2T5G onsemi 1: ¥58.1 342,151In Stock	Mfr. Part # ESD9101P2T5G Mouser Part # 863-ESD9101P2T5G	onsemi	ESD Protection Diodes / TVS Diodes ESD PROTECTION	Datasheet	342,151In Stock	Cut Tape ¥58.1 ¥25.6 ¥22.3 ¥16.4 View Reel ¥9.1 ¥14.1 ¥12.3 ¥10 ¥9.1 MouseReel Available	Min.: 1 Mult.: 1 : 8,000
ESD Protection Diodes / TVS Diodes RailClamp 8-Line 5V 0.6pF 5A SLP2611N9T RCLAMP7528T.TNT Semtech 1: ¥347.1 29,601In Stock	Mfr. Part # RCLAMP7528T.TNT Mouser Part # 947-RCLAMP7528T.TNT	Semtech	ESD Protection Diodes / TVS Diodes RailClamp 8-Line 5V 0.6pF 5A SLP2611N9T Learn More about Semtech tvs esd suppressors		29,601In Stock	Cut Tape ¥347.1 ¥225.9 ¥171.1 ¥143.2 View Reel ¥87 ¥119.4 ¥109.5 ¥103.1 ¥96.3 ¥87 MouseReel Available	Min.: 1 Mult.: 1 : 10,000
ESD Protection Diodes / TVS Diodes TVS, 5V, BI, SOD-323, 3K T&R SD24C.TCT Semtech 1: ¥237.5 329,752In Stock	Mfr. Part # SD24C.TCT Mouser Part # 947-SD24C.TCT	Semtech	ESD Protection Diodes / TVS Diodes TVS, 5V, BI, SOD-323, 3K T&R Learn More about Semtech tvs esd suppressors	Datasheet	329,752In Stock	Cut Tape ¥237.5 ¥149.7 ¥111.5 ¥89.9 Reel ¥56.5 View ¥69.6 ¥65.3 ¥54.3 ¥52.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes LOW CAP TVS & TELCOM INTERFACE TCLAMP2502N.TCT Semtech 1: ¥860.4 19,230In Stock	Mfr. Part # TCLAMP2502N.TCT Mouser Part # 947-TCLAMP2502N.TCT	Semtech	ESD Protection Diodes / TVS Diodes LOW CAP TVS & TELCOM INTERFACE Learn More about Semtech tclamp tvs arrays	Datasheet	19,230In Stock	Cut Tape ¥860.4 ¥456.8 ¥415.3 ¥363.8 Reel ¥338.8 MouseReel Available	Min.: 1 Mult.: 1 : 3,000

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Circuit Protection

Types of Circuit Protection