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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.
ESD Protection Diodes / TVS Diodes 5kW 51V 5% Uni-Directional 5.0SMDJ51A Littelfuse 1: ¥360.4 29,302In Stock	Mfr. Part # 5.0SMDJ51A Mouser Part # 576-5.0SMDJ51A	Littelfuse	ESD Protection Diodes / TVS Diodes 5kW 51V 5% Uni-Directional Learn More about Littelfuse tvsdiodes	Datasheet	29,302In Stock	Cut Tape ¥360.4 ¥264.1 ¥197.7 ¥177.7 View Reel ¥104.6 ¥142.8 ¥131.7 ¥104.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Fuse Holder Blok 30A 600V 2 Pole Screw Connector L60030C2SQ Littelfuse 1: ¥4,227.2 5,402In Stock	Mfr. Part # L60030C2SQ Mouser Part # 576-L60030C2SQ	Littelfuse	Fuse Holder Blok 30A 600V 2 Pole Screw Connector Learn More about Littelfuse protection products for panels	Datasheet	5,402In Stock	¥4,227.2 ¥3,277.2 ¥3,021.4 ¥2,657.6 View ¥2,450 ¥2,215.8 ¥2,182.6	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes 66V 10KA LTKAK10-066C Littelfuse 1: ¥6,919.7 687In Stock	Mfr. Part # LTKAK10-066C Mouser Part # 576-LTKAK10-066C	Littelfuse	ESD Protection Diodes / TVS Diodes 66V 10KA Learn More about Littelfuse ltkak6 ltkak10	Datasheet	687In Stock	Cut Tape ¥6,919.7 ¥5,401.6 ¥5,115.9 ¥4,574.4 Reel ¥4,574.4 MouseReel Available	Min.: 1 Mult.: 1 : 400
Varistors 4VAC 5.6VDC 0.3J 250 0pF 8.5 V 18V V2F105C150Y1FDP KYOCERA AVX 1: ¥239.2 98,261In Stock	Mfr. Part # V2F105C150Y1FDP Mouser Part # 581-V2F105C150Y1FDP	KYOCERA AVX	Varistors 4VAC 5.6VDC 0.3J 250 0pF 8.5 V 18V Learn More about KYOCERA AVX avxtransguardvar	Datasheet	98,261In Stock	Cut Tape ¥239.2 ¥112.4 ¥100 ¥78.1 Reel ¥68.3 ¥62 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
Varistors 620V 40KA MOV Disc Square 34mm 621KS34 YAGEO 1: ¥1,076.3 9,753In Stock	Mfr. Part # 621KS34 Mouser Part # 603-621KS34	YAGEO	Varistors 620V 40KA MOV Disc Square 34mm Learn More about YAGEO mov overvoltage devices	Datasheet	9,753In Stock	¥1,076.3 ¥827.2 ¥749.1 ¥642.8 View ¥626.2 ¥619.6 ¥617.9	Min.: 1 Mult.: 1
Circuit Breakers PTCB E1 24DC/4A NO 2909906 Phoenix Contact 1: ¥5,001.3 1,205In Stock	Mfr. Part # 2909906 Mouser Part # 651-2909906	Phoenix Contact	Circuit Breakers PTCB E1 24DC/4A NO Learn More about Phoenix Contact ptcb circuit breakers	Datasheet	1,205In Stock	¥5,001.3	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes P6SMB - A 160V P6SMB160A-Q Bourns 1: ¥164.4 119,948In Stock	Mfr. Part # P6SMB160A-Q Mouser Part # 652-P6SMB160A-Q	Bourns	ESD Protection Diodes / TVS Diodes P6SMB - A 160V Learn More about Bourns p6smb q	Datasheet	119,948In Stock	Cut Tape ¥164.4 ¥102.8 ¥65.8 ¥49 Reel ¥34.1 View ¥39.7 ¥27.4 ¥21.9 ¥21.3 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Board Mount Surge Protectors 100mA 850Vimp P850-G120-WH Bourns 1: ¥395.3 23,320In Stock	Mfr. Part # P850-G120-WH Mouser Part # 652-P850-G120-WH	Bourns	Board Mount Surge Protectors 100mA 850Vimp Learn More about Bourns Bourns_TBU	Datasheet	23,320In Stock	Cut Tape ¥395.3 ¥343.8 ¥237.5 ¥192.7 Reel ¥148.8 View ¥181 ¥148.7 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,000
PTC Thermistors 0603 470ohms 85C Temperature Sensor B59641A0085A062 TDK 1: ¥63.1 138,583In Stock	Mfr. Part # B59641A0085A062 Mouser Part # 871-B59641A0085A062	TDK	PTC Thermistors 0603 470ohms 85C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	138,583In Stock	Cut Tape ¥63.1 ¥57.6 ¥49.7 ¥40.9 Reel ¥32.1 View ¥36 ¥34.5 ¥30.1 ¥28.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
ESD Protection Diodes / TVS Diodes RAILCLAMP0524S 5V SOT RCLAMP0524S.TCT Semtech 1: ¥302.3 68,250In Stock	Mfr. Part # RCLAMP0524S.TCT Mouser Part # 947-RCLAMP0524S.TCT	Semtech	ESD Protection Diodes / TVS Diodes RAILCLAMP0524S 5V SOT Learn More about Semtech tvs esd suppressors	Datasheet	68,250In Stock	Cut Tape ¥302.3 ¥212.6 ¥159.3 ¥138.2 Reel ¥88 View ¥108.6 ¥100.7 ¥85.5 ¥83.7 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Fuse Holder SCWS,Terminals,Cover Assorted 01520001TXN941 Littelfuse 1: ¥3,320.3 1,546In Stock	Mfr. Part # 01520001TXN941 Mouser Part # 576-01520001TXN941	Littelfuse	Fuse Holder SCWS,Terminals,Cover Assorted Learn More about Littelfuse _fuseholders	Datasheet	1,546In Stock	¥3,320.3 ¥2,699.1 ¥2,526.4 ¥2,086.2 View ¥1,790.6 ¥1,609.5 ¥1,511.5 ¥1,491.6 Quote	Min.: 1 Mult.: 1
Surface Mount Fuses 50A 250V FAST ACTING 0456050.DRSDE Littelfuse 1: ¥1,272.3 6,780In Stock	Mfr. Part # 0456050.DRSDE Mouser Part # 576-0456050.DRSDE	Littelfuse	Surface Mount Fuses 50A 250V FAST ACTING Learn More about Littelfuse 456de high current nano fuses	Datasheet	6,780In Stock	Cut Tape ¥1,272.3 ¥1,056.4 ¥975 ¥808.9 View Reel ¥509.9 ¥745.8 ¥669.4 ¥624.5 ¥583 ¥509.9 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Surface Mount Fuses 125V .125A HALIDE FREE 0466.125NRHF Littelfuse 1: ¥176.1 46,285In Stock	Mfr. Part # 0466.125NRHF Mouser Part # 576-0466.125NRHF	Littelfuse	Surface Mount Fuses 125V .125A HALIDE FREE	Datasheet	46,285In Stock	Cut Tape ¥176.1 ¥159.8 ¥140.7 ¥124.6 View Reel ¥69.3 ¥107.8 ¥101.2 ¥91 ¥82.4 ¥69.3 ¥69.3 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
Automotive Fuses 200A 32VDC Limiter Fuse 0CNL200.V Littelfuse 1: ¥6,654 866In Stock	Mfr. Part # 0CNL200.V Mouser Part # 576-0CNL200.V	Littelfuse	Automotive Fuses 200A 32VDC Limiter Fuse	Datasheet	866In Stock	¥6,654 ¥5,519.5 ¥3,645.9 ¥3,253.9 ¥3,204.1	Min.: 1 Mult.: 1
Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.00A 1206L300SLTHYR Littelfuse 1: ¥312.3 45,428In Stock	Mfr. Part # 1206L300SLTHYR Mouser Part # 576-1206L300SLTHYR	Littelfuse	Resettable Fuses - PPTC 6V POLYFUSE 1206 LoRho SL 3.00A Learn More about Littelfuse lorho	Datasheet	45,428In Stock	Cut Tape ¥312.3 ¥282.4 ¥239.2 ¥214.3 View Reel ¥133 ¥194.3 ¥177.7 ¥164.9 ¥154.1 ¥133 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
Resettable Fuses - PPTC PTC 30V POLY 1812 HALOGEN-FREE .35A 1812L035/30DR Littelfuse 1: ¥318.9 19,218In Stock	Mfr. Part # 1812L035/30DR Mouser Part # 576-1812L035/30DR	Littelfuse	Resettable Fuses - PPTC PTC 30V POLY 1812 HALOGEN-FREE .35A Learn More about Littelfuse 1812l fuses	Datasheet	19,218In Stock	Cut Tape ¥318.9 ¥287.4 ¥244.2 ¥222.6 Reel ¥137.4 View ¥199.3 ¥184.4 ¥136.7 MouseReel Available	Min.: 1 Mult.: 1 : 1,500
Fuse Holder CLASS G FUSE BLOCK 480V 60A 3 POLE LFG480603CDINR Littelfuse 1: ¥17,711.2 406In Stock	Mfr. Part # LFG480603CDINR Mouser Part # 576-LFG480603CDINR	Littelfuse	Fuse Holder CLASS G FUSE BLOCK 480V 60A 3 POLE	Datasheet	406In Stock	¥17,711.2 ¥15,322.7 ¥13,837.8 ¥11,972.5 ¥11,658.6	Min.: 1 Mult.: 1
Fuse Holder CLASS J FUSE BLOCK 600V 200A 3 POLE LFJ602003C Littelfuse 1: ¥85,171.1 80In Stock	Mfr. Part # LFJ602003C Mouser Part # 576-LFJ602003C	Littelfuse	Fuse Holder CLASS J FUSE BLOCK 600V 200A 3 POLE	Datasheet	80In Stock	¥85,171.1 ¥80,010.4 ¥73,720.2 Quote Quote	Min.: 1 Mult.: 1
Thyristor Surge Protection Devices - TSPD SIDACtor Bi 350V 3000A DO214AB RoHS P3800S3NLRP Littelfuse 1: ¥1,094.6 5,857In Stock	Mfr. Part # P3800S3NLRP Mouser Part # 576-P3800S3NLRP	Littelfuse	Thyristor Surge Protection Devices - TSPD SIDACtor Bi 350V 3000A DO214AB RoHS Learn More about Littelfuse px0s3n	Datasheet	5,857In Stock	Cut Tape ¥1,094.6 ¥735.8 ¥531.5 ¥504.9 ¥478.4 Reel ¥478.4 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes SMA6J - CA 33V SMA6J33CA Littelfuse 1: ¥101.3 174,539In Stock	Mfr. Part # SMA6J33CA Mouser Part # 576-SMA6J33CA	Littelfuse	ESD Protection Diodes / TVS Diodes SMA6J - CA 33V	Datasheet	174,539In Stock	Cut Tape ¥101.3 ¥45.2 ¥39.5 ¥29.9 Reel ¥18.4 View ¥29.6 ¥25.4 ¥16.4 ¥15.9 MouseReel Available	Min.: 1 Mult.: 1 : 5,000
ESD Protection Diodes / TVS Diodes 1.3pF 7A UNIDIRECTIONAL SP4024-01FTG Littelfuse 1: ¥104.6 386,080In 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	386,080In Stock	Cut Tape ¥104.6 ¥57 ¥51 ¥43.5 Reel ¥27.9 View ¥41.9 ¥27.7 ¥26.1 ¥25.6 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
Circuit Breakers 7A PUSH TO RESET W28-XQ1A-7 TE Connectivity / P&B 1: ¥720.9 8,367In Stock	Mfr. Part # W28-XQ1A-7 Mouser Part # 655-W28-XQ1A-7	TE Connectivity / P&B	Circuit Breakers 7A PUSH TO RESET	Datasheet	8,367In Stock	¥720.9 ¥629.5 ¥553.1 ¥521.6 View ¥501.6 ¥491.7 ¥490 ¥486.7	Min.: 1 Mult.: 1
SCRs THYRISTOR 1500V IGBT MMJX1H40N150 IXYS 1: ¥7,951.2 768In Stock	Mfr. Part # MMJX1H40N150 Mouser Part # 747-MMJX1H40N150	IXYS	SCRs THYRISTOR 1500V IGBT	Datasheet	768In Stock	¥7,951.2 ¥5,929.8	Min.: 1 Mult.: 1
ESD Protection Diodes / TVS Diodes TVS 300W 15V 7"RL SOT23 3L SDC15.TCT Semtech 1: ¥230.9 90,929In Stock	Mfr. Part # SDC15.TCT Mouser Part # 947-SDC15.TCT	Semtech	ESD Protection Diodes / TVS Diodes TVS 300W 15V 7"RL SOT23 3L Learn More about Semtech tvs esd suppressors	Datasheet	90,929In Stock	Cut Tape ¥230.9 ¥160.8 ¥126.6 ¥109 Reel ¥67.1 View ¥87 ¥80.1 ¥62.5 ¥62.1 MouseReel Available	Min.: 1 Mult.: 1 : 3,000
ESD Protection Diodes / TVS Diodes TVS 2KA RATED 170V BI SMTO218 L LTKAK2-170C-L Littelfuse 1: ¥4,630.9 154In Stock	Mfr. Part # LTKAK2-170C-L Mouser Part # 576-LTKAK2-170C-L	Littelfuse	ESD Protection Diodes / TVS Diodes TVS 2KA RATED 170V BI SMTO218 L Learn More about Littelfuse ltkak2 l tvs diodes	Datasheet	154In Stock	¥4,630.9 ¥3,405.1 ¥3,270.5 ¥3,268.8	Min.: 1 Mult.: 1

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Circuit Protection

Types of Circuit Protection