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 T=5K 140deg C B59300M1140A070 TDK 1: ¥996.6 106In Stock	Mfr. Part # B59300M1140A070 Mouser Part # 871-B59300M1140A70	TDK	PTC Thermistors T=5K 140deg C Learn More about TDK epcos ptc thermistors	Datasheet	106In Stock	¥996.6 ¥896.9 ¥860.4 ¥817.2 Reel ¥732.5 View ¥787.3 ¥734.2 ¥681	Min.: 1 Mult.: 1 : 200
PTC Thermistors T=5K 150deg C B59300M1150A070 TDK 1: ¥996.6 254In Stock	Mfr. Part # B59300M1150A070 Mouser Part # 871-B59300M1150A70	TDK	PTC Thermistors T=5K 150deg C Learn More about TDK epcos ptc thermistors	Datasheet	254In Stock	¥996.6 ¥896.9 ¥860.4 ¥817.2 Reel ¥732.5 View ¥787.3 ¥734.2 ¥681	Min.: 1 Mult.: 1 : 200
PTC Thermistors T=5K 160deg C B59300M1160A070 TDK 1: ¥1,195.9 189In Stock	Mfr. Part # B59300M1160A070 Mouser Part # 871-B59300M1160A70	TDK	PTC Thermistors T=5K 160deg C Learn More about TDK epcos ptc thermistors	Datasheet	189In Stock	¥1,195.9 ¥1,076.3 ¥1,004.9 ¥931.8 Reel ¥850.4 View ¥890.3 ¥852.1 ¥808.9 ¥681	Min.: 1 Mult.: 1 : 200
PTC Thermistors PTC Thermistor P 1315-A 80-A B59315P1080A62 TDK 1: ¥360.4 603In Stock 1,000Expected 11/23/2026	Mfr. Part # B59315P1080A62 Mouser Part # 871-B59315P1080A62	TDK	PTC Thermistors PTC Thermistor P 1315-A 80-A Learn More about TDK epcos ptc thermistors	Datasheet	603In Stock 1,000Expected 11/23/2026	Cut Tape ¥360.4 ¥333.9 ¥280.7 ¥260.8 Reel ¥189.4 View ¥247.5 ¥229.2 ¥210.9 ¥179.4	Min.: 1 Mult.: 1 : 1,000
PTC Thermistors 0603 470ohms 115C Temperature Sensor B59601A115A62 TDK 1: ¥86.4 4,975In Stock	Mfr. Part # B59601A115A62 Mouser Part # 871-B59601A115A62	TDK	PTC Thermistors 0603 470ohms 115C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	4,975In Stock	Cut Tape ¥86.4 ¥81.1 ¥75.7 ¥71.9 View Reel ¥50 ¥68.6 ¥61.8 ¥58.5 ¥50	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0603 470ohms 75C Temperature Sensor B59601A75A62 TDK 1: ¥86.4 3,576In Stock	Mfr. Part # B59601A75A62 Mouser Part # 871-B59601A75A62	TDK	PTC Thermistors 0603 470ohms 75C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	3,576In Stock	Cut Tape ¥86.4 ¥81.1 ¥75.7 ¥71.9 View Reel ¥50 ¥68.6 ¥61.8 ¥58.5 ¥50 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0603 470ohms 105C Temperature Sensor B59641A0105A062 TDK 1: ¥54.8 3,970In Stock 4,000Expected 2/18/2027	Mfr. Part # B59641A0105A062 Mouser Part # 871-B59641A0105A062	TDK	PTC Thermistors 0603 470ohms 105C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	3,970In Stock 4,000Expected 2/18/2027	Cut Tape ¥54.8 ¥51.8 ¥45.7 ¥43.5 Reel ¥32.9 View ¥38.9 ¥34.2 ¥31.2 ¥30.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0603 470ohms 115C Temperature Sensor B59641A0115A062 TDK 1: ¥63.1 2,305In Stock	Mfr. Part # B59641A0115A062 Mouser Part # 871-B59641A0115A062	TDK	PTC Thermistors 0603 470ohms 115C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	2,305In Stock	Cut Tape ¥63.1 ¥59.5 ¥52.7 ¥50 Reel ¥39.2 View ¥44.5 ¥42 ¥37.7 ¥34.2 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0603 470ohms 125C Temperature Sensor B59641A0125A062 TDK 1: ¥68.1 304In Stock	Mfr. Part # B59641A0125A062 Mouser Part # 871-B59641A0125A062	TDK	PTC Thermistors 0603 470ohms 125C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	304In Stock	Cut Tape ¥68.1 ¥63 ¥55.8 ¥52 Reel ¥39.2 View ¥45.8 ¥42 ¥35 ¥34.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0603 470ohms 135C Temperature Sensor B59641A0135A062 TDK 1: ¥63.1 4,703In Stock	Mfr. Part # B59641A0135A062 Mouser Part # 871-B59641A0135A062	TDK	PTC Thermistors 0603 470ohms 135C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	4,703In Stock	Cut Tape ¥63.1 ¥59.5 ¥52.7 ¥50 Reel ¥38 View ¥44.5 ¥39.7 ¥36.4 ¥35.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 0805 680ohms 130C Temperature Sensor B59721A0130A062 TDK 1: ¥78.1 3,991In Stock	Mfr. Part # B59721A0130A062 Mouser Part # 871-B59721A0130A062	TDK	PTC Thermistors 0805 680ohms 130C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	3,991In Stock	Cut Tape ¥78.1 ¥73.3 ¥68.4 ¥64.9 View Reel ¥46.7 ¥61 ¥54.1 ¥51 ¥46.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000
PTC Thermistors 260AC,370DC,70oHMS PTC Thermistor B59770C0120A070 TDK 1: ¥289 860In Stock	Mfr. Part # B59770C0120A070 Mouser Part # 871-B59770C120A70	TDK	PTC Thermistors 260AC,370DC,70oHMS PTC Thermistor Learn More about TDK epcos self protecting ptc thermistors	Datasheet	860In Stock	¥289 ¥275.7 ¥259.1 ¥249.2 Reel ¥207.6 View ¥239.2 ¥215.9 ¥184.4	Min.: 1 Mult.: 1 : 1,000
PTC Thermistors 260AC,370DC,120oHMS PTC Thermistor B59771C0120A070 TDK 1: ¥365.4 82In Stock 1,000Expected 12/16/2026	Mfr. Part # B59771C0120A070 Mouser Part # 871-B59771C120A70	TDK	PTC Thermistors 260AC,370DC,120oHMS PTC Thermistor	Datasheet	82In Stock 1,000Expected 12/16/2026	¥365.4 ¥317.3 ¥275.7 ¥264.1 View Reel ¥201 ¥247.5 ¥220.9 ¥201	Min.: 1 Mult.: 1 : 1,000
PTC Thermistors 810A 130A 70 20X2.5 PTC Thermistor B59810C0130A070 TDK 1: ¥988.3 58In Stock 4,810On Order	Mfr. Part # B59810C0130A070 Mouser Part # 871-B59810C0130A070	TDK	PTC Thermistors 810A 130A 70 20X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	58In Stock 4,810On Order On Order Ship Dates Mfr. #: B59810C0130A070 Stock: 58 Can Ship Immediately On Order: 500 Expected 11/16/2026 4,310 Expected 12/7/2026 Factory Lead-Time: 28 Weeks	¥988.3 ¥820.5 ¥757.4 ¥627.9 View Reel ¥441.8 ¥579.7 ¥533.2 ¥480 ¥441.8	Min.: 1 Mult.: 1 : 1,000
PTC Thermistors 840A 80A 70 16X2.5 PTC Thermistor B59840C0080A070 TDK 1: ¥455.1 110In Stock 1,000On Order	Mfr. Part # B59840C0080A070 Mouser Part # 871-B59840C0080A070	TDK	PTC Thermistors 840A 80A 70 16X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	110In Stock 1,000On Order	¥455.1 ¥400.3 ¥332.2 ¥305.6 View Reel ¥234.2 ¥275.7 ¥247.5 ¥234.2	Min.: 1 Mult.: 1 : 1,000
PTC Thermistors 840A 130A 70 12X2.5 PTC Thermistor B59840C0130A070 TDK 1: ¥282.4 1,196In Stock	Mfr. Part # B59840C0130A070 Mouser Part # 871-B59840C0130A070	TDK	PTC Thermistors 840A 130A 70 12X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	1,196In Stock	¥282.4 ¥260.8 ¥257.5 ¥217.6 View Reel ¥159.1 ¥201 ¥179.4 ¥159.1	Min.: 1 Mult.: 1 : 700
PTC Thermistors 7.0A 3.7ohms B59850C0120A070 TDK 1: ¥323.9 537In Stock 1,400Expected 4/15/2027	Mfr. Part # B59850C0120A070 Mouser Part # 871-B59850C120A70	TDK	PTC Thermistors 7.0A 3.7ohms Learn More about TDK epcos ptc thermistors	Datasheet	537In Stock 1,400Expected 4/15/2027	¥323.9 ¥295.7 ¥269.1 ¥245.8 View ¥227.6 ¥206 ¥182.7 ¥167.8 ¥166.1	Min.: 1 Mult.: 1
PTC Thermistors 2.2A 10ohms B59850C0160A070 TDK 1: ¥343.8 680In Stock	Mfr. Part # B59850C0160A070 Mouser Part # 871-B59850C160A70	TDK	PTC Thermistors 2.2A 10ohms Learn More about TDK epcos ptc thermistors	Datasheet	680In Stock	¥343.8 ¥310.6 ¥260.8 ¥255.8 Reel ¥194.3 View ¥232.5 ¥219.3 ¥167.8 ¥159.1	Min.: 1 Mult.: 1 : 700
PTC Thermistors 860A 80A 70 10X2.5 PTC Thermistor B59860C0080A070 TDK 1: ¥272.4 1,671In Stock	Mfr. Part # B59860C0080A070 Mouser Part # 871-B59860C0080A070	TDK	PTC Thermistors 860A 80A 70 10X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	1,671In Stock	¥272.4 ¥250.8 ¥227.6 ¥206 Reel ¥155.5 View ¥189.4 ¥172.7 ¥162.4 ¥131.4	Min.: 1 Mult.: 1 : 1,300
PTC Thermistors 860A 130A 70 8X2.5 PTC Thermistor B59860C0130A070 TDK 1: ¥257.5 739In Stock	Mfr. Part # B59860C0130A070 Mouser Part # 871-B59860C0130A070	TDK	PTC Thermistors 860A 130A 70 8X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	739In Stock	¥257.5 ¥237.5 ¥215.9 ¥196 Reel ¥138.7 View ¥179.4 ¥163.4 ¥150.7 ¥114.6	Min.: 1 Mult.: 1 : 1,000
PTC Thermistors 1.5A 15ohms B59860C0120A070 TDK 1: ¥272.4 587In Stock 700Expected 4/5/2027	Mfr. Part # B59860C0120A070 Mouser Part # 871-B59860C120A70	TDK	PTC Thermistors 1.5A 15ohms Learn More about TDK epcos ptc thermistors	Datasheet	587In Stock 700Expected 4/5/2027	¥272.4 ¥250.8 ¥227.6 ¥206 Reel ¥153 View ¥189.4 ¥172.7 ¥141 ¥131.4	Min.: 1 Mult.: 1 : 700
PTC Thermistors 870A 130A 70 5X2.5 PTC Thermistor B59870C0130A070 TDK 1: ¥210.9 500In Stock 10,000Expected 1/4/2027	Mfr. Part # B59870C0130A070 Mouser Part # 871-B59870C0130A070	TDK	PTC Thermistors 870A 130A 70 5X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	500In Stock 10,000Expected 1/4/2027	¥210.9 ¥194.3 ¥172.7 ¥155.6 View Reel ¥104.3 ¥147.2 ¥133.4 ¥119.9 ¥115.4 ¥104.3	Min.: 1 Mult.: 1 : 2,000
PTC Thermistors PTC Thermistor C 871-A 135-A 70 8X2,5 B59871C0135A070 TDK 1: ¥207.6 909In Stock	Mfr. Part # B59871C0135A070 Mouser Part # 871-B59871C135A70	TDK	PTC Thermistors PTC Thermistor C 871-A 135-A 70 8X2,5 Learn More about TDK epcos ptc thermistors	Datasheet	909In Stock	¥207.6 ¥197.7 ¥186 ¥177.7 Reel ¥144.5 View ¥171.1 ¥157.6 ¥130.4	Min.: 1 Mult.: 1 : 1,000
PTC Thermistors 874A 120A 70 8X2.5 PTC Thermistor B59874C0120A070 TDK 1: ¥285.7 5In Stock 1,000Expected 5/10/2027	Mfr. Part # B59874C0120A070 Mouser Part # 871-B59874C0120A070	TDK	PTC Thermistors 874A 120A 70 8X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	5In Stock 1,000Expected 5/10/2027	¥285.7 ¥237.5 ¥202.6 ¥196 Reel ¥146.2 View ¥179.4 ¥171.1 ¥153 ¥137.9	Min.: 1 Mult.: 1 : 1,000
PTC Thermistors 875A 120A570 8X2.5 PTC Thermistor B59875C0120A570 TDK 1: ¥242.5 734In Stock	Mfr. Part # B59875C0120A570 Mouser Part # 871-B59875C0120A570	TDK	PTC Thermistors 875A 120A570 8X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	734In Stock	¥242.5 ¥230.9 ¥217.6 ¥207.6 View ¥199.3 ¥181 ¥166.1 ¥149.7	Min.: 1 Mult.: 1

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PTC Thermistors

Types of Circuit Protection