Circuit Protection – Mouser Japan

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PTC Thermistors

TDK PTC Thermistors are thermally sensitive semiconductor resistors made of ceramic components whose electrical resistance rapidly increases when a certain temperature is exceeded. This feature makes TDK PTC Thermistors ideal for use in electrical and electronic engineering applications, for example as resettable fuses against current overload or as short circuit protection in motors. Applications include measurement and control engineering, entertainment, household, and automotive electronics, and data systems and telecommunications.

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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.
PTC Thermistors 120A 20 3X2 PTC Thermistor 29P B59339A1502P020 TDK 1: ¥373.7 888In Stock End of Life	Mfr. Part # B59339A1502P020 Mouser Part # 871-B59339A1502P020 End of Life	TDK	PTC Thermistors 120A 20 3X2 PTC Thermistor 29P Learn More about TDK epcos ptc thermistors	Datasheet	888In Stock	¥373.7 ¥343.8 ¥315.6 ¥285.7 View ¥264.1 ¥237.5 ¥219.3 ¥199.3 ¥181	Min.: 1 Mult.: 1
PTC Thermistors T=5K 150deg C B59008C0150A040 TDK 1: ¥240.8 854In Stock	Mfr. Part # B59008C0150A040 Mouser Part # 871-B59008C150A40	TDK	PTC Thermistors T=5K 150deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	854In Stock	¥240.8 ¥230.9 ¥215.9 ¥207.6 View ¥197.7 ¥181 ¥167.8 ¥160.6	Min.: 1 Mult.: 1
PTC Thermistors PTC Thermistor C 810-A 160-A 70 24,5X2,5 B59810C0160A070 TDK 1: ¥470.1 806In Stock Factory Special Order	Mfr. Part # B59810C0160A070 Mouser Part # 871-B59810C160A70 Factory Special Order	TDK	PTC Thermistors PTC Thermistor C 810-A 160-A 70 24,5X2,5 Learn More about TDK epcos ptc thermistors	Datasheet	806In Stock	¥470.1 ¥416.9 ¥392 ¥348.8 Reel ¥315.6 View ¥317.3 ¥290.7 ¥282.4	Min.: 1 Mult.: 1 : 150
PTC Thermistors TDK B59116S0225B010 B59116S0225B010 TDK 1: ¥302.3 2,000In Stock Factory Special Order	Mfr. Part # B59116S0225B010 Mouser Part # 871-B59116S0225B010 Factory Special Order	TDK	PTC Thermistors Learn More about TDK epcos ptc thermistors		2,000In Stock	Cut Tape ¥302.3 ¥227.6 ¥182.7 ¥171.1 View Reel ¥118.4 ¥166.1 ¥139.7 ¥128.7 ¥118.4	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 80C 12Vdc 4ohms Disc PTC Heating B59060A0080A010 TDK 1: ¥297.3 2,345In Stock	Mfr. Part # B59060A0080A010 Mouser Part # 871-B59060A0080A010	TDK	PTC Thermistors 80C 12Vdc 4ohms Disc PTC Heating Learn More about TDK epcos kits	Datasheet	2,345In Stock	¥297.3 ¥284 ¥254.1 ¥237.5 View ¥224.2 ¥199.3 ¥192.7 ¥177.7	Min.: 1 Mult.: 1
PTC Thermistors SMD 1210 24V Overcurrent Prot. B59607A0120A062 TDK 1: ¥159.5 63,881In Stock	Mfr. Part # B59607A0120A062 Mouser Part # 871-B59607A0120A062	TDK	PTC Thermistors SMD 1210 24V Overcurrent Prot. Learn More about TDK epcosPTCSMDthermistor	Datasheet	63,881In Stock	Cut Tape ¥159.5 ¥139 ¥114.8 ¥107.8 View Reel ¥75.9 ¥105.1 ¥103.1 ¥88.5 ¥83.2 ¥75.9 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
PTC Thermistors 1210 80VDC 50mA PTC Overcurrent B59707A0120A062 TDK 1: ¥144.5 43,926In Stock	Mfr. Part # B59707A0120A062 Mouser Part # 871-B59707A0120A062	TDK	PTC Thermistors 1210 80VDC 50mA PTC Overcurrent Learn More about TDK epcos kits	Datasheet	43,926In Stock	Cut Tape ¥144.5 ¥133.4 ¥121.1 ¥107.3 View Reel ¥69.6 ¥102 ¥91.9 ¥84.7 ¥78.1 ¥69.6 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
PTC Thermistors T=5K 140deg C B59100M1140A070 TDK 1: ¥759.1 6,176In Stock 1,600Expected 12/7/2026	Mfr. Part # B59100M1140A070 Mouser Part # 871-B59100M1140A70	TDK	PTC Thermistors T=5K 140deg C Learn More about TDK epcos ptc thermistors	Datasheet	6,176In Stock 1,600Expected 12/7/2026	¥759.1 ¥681 ¥651.1 ¥604.6 View ¥578 ¥568.1 ¥533.2 ¥478.4 ¥460.1	Min.: 1 Mult.: 1
PTC Thermistors 155C +/-5C Motor Prot Single Sensor B59100M1155A070 TDK 1: ¥687.7 23,937In Stock	Mfr. Part # B59100M1155A070 Mouser Part # 871-B59100M1155A070	TDK	PTC Thermistors 155C +/-5C Motor Prot Single Sensor Learn More about TDK epcos ptc thermistors	Datasheet	23,937In Stock	¥687.7 ¥616.2 ¥589.7 ¥556.4 View ¥534.8 ¥504.9 ¥463.4 ¥453.5	Min.: 1 Mult.: 1
PTC Thermistors 280AC, 400DC,50oHMS B59751C0120A070 TDK 1: ¥503.3 10,176In Stock	Mfr. Part # B59751C0120A070 Mouser Part # 871-B59751C120A70	TDK	PTC Thermistors 280AC, 400DC,50oHMS Learn More about TDK epcos self protecting ptc thermistors	Datasheet	10,176In Stock	¥503.3 ¥435.2 ¥408.6 ¥363.8 Reel ¥294 View ¥345.5 ¥318.9 ¥270.7 ¥259.1	Min.: 1 Mult.: 1 : 500
PTC Thermistors 1210 24Vdc 180mA PTC Overcurrent B59606A0110A062 TDK 1: ¥172.7 11,642In Stock	Mfr. Part # B59606A0110A062 Mouser Part # 871-B59606A0110A062	TDK	PTC Thermistors 1210 24Vdc 180mA PTC Overcurrent Learn More about TDK epcos kits	Datasheet	11,642In Stock	Cut Tape ¥172.7 ¥147.5 ¥127.9 ¥116.4 View Reel ¥77.1 ¥110.5 ¥105 ¥92.4 ¥85.9 ¥77.1 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
PTC Thermistors 1.5 OHM 25% SMD 1210 B59907A120A62 TDK 1: ¥172.7 3,376In Stock	Mfr. Part # B59907A120A62 Mouser Part # 871-B59907A120A62	TDK	PTC Thermistors 1.5 OHM 25% SMD 1210 Learn More about TDK epcos ptc thermistors	Datasheet	3,376In Stock	Cut Tape ¥172.7 ¥167.8 ¥154 ¥133.9 View Reel ¥101.2 ¥123.6 ¥122.9 ¥103.5 ¥101.2 ¥101.2 MouseReel Available	Min.: 1 Mult.: 1 : 2,000
PTC Thermistors T=5K 120deg C B59008C0120A040 TDK 1: ¥240.8 2,110In Stock	Mfr. Part # B59008C0120A040 Mouser Part # 871-B59008C120A40	TDK	PTC Thermistors T=5K 120deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	2,110In Stock	¥240.8 ¥230.9 ¥215.9 ¥207.6 View ¥197.7 ¥181 ¥171.1 ¥169.4	Min.: 1 Mult.: 1
PTC Thermistors T=5K 70deg C B59008C0070A040 TDK 1: ¥240.8 2,389In Stock	Mfr. Part # B59008C0070A040 Mouser Part # 871-B59008C70A40	TDK	PTC Thermistors T=5K 70deg C Learn More about TDK epcos superior ptc thermistors	Datasheet	2,389In Stock	¥240.8 ¥230.9 ¥215.9 ¥207.6 View ¥197.7 ¥181 ¥171.1 ¥169.4	Min.: 1 Mult.: 1
PTC Thermistors T=5K 60deg C B59100M1060A070 TDK 1: ¥775.7 2,105In Stock 2,000Expected 11/23/2026	Mfr. Part # B59100M1060A070 Mouser Part # 871-B59100M1060A70	TDK	PTC Thermistors T=5K 60deg C Learn More about TDK epcos ptc thermistors	Datasheet	2,105In Stock 2,000Expected 11/23/2026	¥775.7 ¥696 ¥666.1 ¥631.2 Reel ¥528.2 View ¥606.3 ¥593 ¥544.8 ¥524.9	Min.: 1 Mult.: 1 : 400
PTC Thermistors T=5K 70deg C B59100M1070A70 TDK 1: ¥775.7 806In Stock 1,200Expected 12/7/2026	Mfr. Part # B59100M1070A70 Mouser Part # 871-B59100M1070A70	TDK	PTC Thermistors T=5K 70deg C Learn More about TDK epcos ptc thermistors	Datasheet	806In Stock 1,200Expected 12/7/2026	¥775.7 ¥696 ¥666.1 ¥631.2 View ¥606.3 ¥593 ¥544.8 ¥543.1 ¥516.6	Min.: 1 Mult.: 1
PTC Thermistors T=5K 80deg C B59100M1080A070 TDK 1: ¥775.7 4,772In Stock	Mfr. Part # B59100M1080A070 Mouser Part # 871-B59100M1080A70	TDK	PTC Thermistors T=5K 80deg C Learn More about TDK epcos ptc thermistors	Datasheet	4,772In Stock	¥775.7 ¥696 ¥666.1 ¥627.9 Reel ¥538.2 View ¥599.6 ¥591.3 ¥578 ¥529.9	Min.: 1 Mult.: 1 : 400
PTC Thermistors T=5K 90deg C B59100M1090A070 TDK 1: ¥759.1 1,717In Stock 1,200Expected 12/7/2026	Mfr. Part # B59100M1090A070 Mouser Part # 871-B59100M1090A70	TDK	PTC Thermistors T=5K 90deg C Learn More about TDK epcos ptc thermistors	Datasheet	1,717In Stock 1,200Expected 12/7/2026	¥759.1 ¥681 ¥651.1 ¥616.2 View ¥593 ¥533.2 ¥514.9 ¥511.6	Min.: 1 Mult.: 1
PTC Thermistors 120C +/-5C Motor Prot Single Sensor B59100M1120A070 TDK 1: ¥759.1 1,192In Stock 3,200Expected 11/30/2026	Mfr. Part # B59100M1120A070 Mouser Part # 871-B59100M1120A070	TDK	PTC Thermistors 120C +/-5C Motor Prot Single Sensor Learn More about TDK epcos ptc thermistors	Datasheet	1,192In Stock 3,200Expected 11/30/2026	Cut Tape ¥759.1 ¥681 ¥651.1 ¥604.6 Reel ¥486.7 View ¥578 ¥569.7 ¥533.2 ¥450.1	Min.: 1 Mult.: 1 : 400
PTC Thermistors T=5K 130deg C B59100M1130A070 TDK 1: ¥759.1 2,008In Stock	Mfr. Part # B59100M1130A070 Mouser Part # 871-B59100M1130A70	TDK	PTC Thermistors T=5K 130deg C Learn More about TDK epcos ptc thermistors	Datasheet	2,008In Stock	¥759.1 ¥681 ¥651.1 ¥616.2 Reel ¥526.5 View ¥593 ¥578 ¥516.6	Min.: 1 Mult.: 1 : 400
PTC Thermistors T=5K 150deg C B59100M1150A070 TDK 1: ¥759.1 3,342In Stock	Mfr. Part # B59100M1150A070 Mouser Part # 871-B59100M1150A70	TDK	PTC Thermistors T=5K 150deg C Learn More about TDK epcos ptc thermistors	Datasheet	3,342In Stock	¥759.1 ¥681 ¥651.1 ¥604.6 View ¥578 ¥569.7 ¥533.2 ¥516.6 ¥506.6	Min.: 1 Mult.: 1
PTC Thermistors T=7K 170deg C B59100M1170A070 TDK 1: ¥1,013.2 2,501In Stock	Mfr. Part # B59100M1170A070 Mouser Part # 871-B59100M1170A70	TDK	PTC Thermistors T=7K 170deg C Learn More about TDK epcos ptc thermistors	Datasheet	2,501In Stock	¥1,013.2 ¥911.9 ¥873.7 ¥828.8 Reel ¥696 View ¥797.3 ¥790.6 ¥719.2 ¥686	Min.: 1 Mult.: 1 : 400
PTC Thermistors PTC Thermistor P 1115-A 120-A B59115P1120A62 TDK 1: ¥338.8 5,598In Stock	Mfr. Part # B59115P1120A62 Mouser Part # 871-B59115P1120A62	TDK	PTC Thermistors PTC Thermistor P 1115-A 120-A Learn More about TDK epcos ptc thermistors	Datasheet	5,598In Stock	Cut Tape ¥338.8 ¥312.3 ¥262.4 ¥244.2 View Reel ¥167.8 ¥230.9 ¥215.9 ¥199.3 ¥167.8 MouseReel Available	Min.: 1 Mult.: 1 : 1,000
PTC Thermistors PTC Thermistor J 204-B 130-A 10 16X3,1 B59204J130B10 TDK 1: ¥1,511.5 292In Stock	Mfr. Part # B59204J130B10 Mouser Part # 871-B59204J130B10	TDK	PTC Thermistors PTC Thermistor J 204-B 130-A 10 16X3,1 Learn More about TDK epcos self protecting ptc thermistors		292In Stock	¥1,511.5 ¥1,255.7 ¥1,157.7 ¥960.1 View ¥820.5 ¥818.9 ¥662.7	Min.: 1 Mult.: 1
PTC Thermistors 80Vdc 210mA 25ohms PTC Overcurrent B59215P1120A062 TDK 1: ¥338.8 1,810In Stock 2,000On Order	Mfr. Part # B59215P1120A062 Mouser Part # 871-B59215P1120A062	TDK	PTC Thermistors 80Vdc 210mA 25ohms PTC Overcurrent Learn More about TDK epcos ptc thermistors	Datasheet	1,810In Stock 2,000On Order	Cut Tape ¥338.8 ¥312.3 ¥280.7 ¥247.5 Reel ¥177.7 View ¥230.9 ¥215.9 ¥199.3 ¥172.7 MouseReel Available	Min.: 1 Mult.: 1 : 1,000

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PTC Thermistors

Types of Circuit Protection