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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 (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
PTC (Positive Temperature Coefficient) Thermistors T=5K 140deg C B59300M1140A070 TDK 1: 5,16 € 106In Stock	Mfr. Part No. B59300M1140A070 Mouser Part No 871-B59300M1140A70	TDK	PTC (Positive Temperature Coefficient) Thermistors T=5K 140deg C Learn More about TDK epcos ptc thermistors	Datasheet	106In Stock	5,16 € 4,64 € 4,45 € 4,23 € Reel 3,79 € View 4,08 € 3,80 € 3,53 €	Min.: 1 Mult.: 1 : 200
PTC (Positive Temperature Coefficient) Thermistors T=5K 150deg C B59300M1150A070 TDK 1: 5,16 € 254In Stock	Mfr. Part No. B59300M1150A070 Mouser Part No 871-B59300M1150A70	TDK	PTC (Positive Temperature Coefficient) Thermistors T=5K 150deg C Learn More about TDK epcos ptc thermistors	Datasheet	254In Stock	5,16 € 4,64 € 4,45 € 4,23 € Reel 3,79 € View 4,08 € 3,80 € 3,53 €	Min.: 1 Mult.: 1 : 200
PTC (Positive Temperature Coefficient) Thermistors T=5K 160deg C B59300M1160A070 TDK 1: 6,19 € 189In Stock	Mfr. Part No. B59300M1160A070 Mouser Part No 871-B59300M1160A70	TDK	PTC (Positive Temperature Coefficient) Thermistors T=5K 160deg C Learn More about TDK epcos ptc thermistors	Datasheet	189In Stock	6,19 € 5,57 € 5,20 € 4,82 € Reel 4,40 € View 4,61 € 4,41 € 4,19 € 3,53 €	Min.: 1 Mult.: 1 : 200
PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor P 1315-A 80-A B59315P1080A62 TDK 1: 1,87 € 603In Stock 1.000Expected 11/23/2026	Mfr. Part No. B59315P1080A62 Mouser Part No 871-B59315P1080A62	TDK	PTC (Positive Temperature Coefficient) 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 1,87 € 1,73 € 1,45 € 1,35 € Reel 0,98 € View 1,28 € 1,19 € 1,09 € 0,929 €	Min.: 1 Mult.: 1 : 1.000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 115C Temperature Sensor B59601A115A62 TDK 1: 0,447 € 4.975In Stock	Mfr. Part No. B59601A115A62 Mouser Part No 871-B59601A115A62	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 115C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	4.975In Stock	Cut Tape 0,447 € 0,42 € 0,392 € 0,372 € View Reel 0,259 € 0,355 € 0,32 € 0,303 € 0,259 €	Min.: 1 Mult.: 1 : 4.000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 75C Temperature Sensor B59601A75A62 TDK 1: 0,447 € 3.576In Stock	Mfr. Part No. B59601A75A62 Mouser Part No 871-B59601A75A62	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 75C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	3.576In Stock	Cut Tape 0,447 € 0,42 € 0,392 € 0,372 € View Reel 0,259 € 0,355 € 0,32 € 0,303 € 0,259 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 105C Temperature Sensor B59641A0105A062 TDK 1: 0,284 € 3.970In Stock 4.000Expected 2/18/2027	Mfr. Part No. B59641A0105A062 Mouser Part No 871-B59641A0105A062	TDK	PTC (Positive Temperature Coefficient) 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 0,284 € 0,268 € 0,237 € 0,225 € Reel 0,171 € View 0,201 € 0,177 € 0,162 € 0,16 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 115C Temperature Sensor B59641A0115A062 TDK 1: 0,327 € 2.305In Stock	Mfr. Part No. B59641A0115A062 Mouser Part No 871-B59641A0115A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 115C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	2.305In Stock	Cut Tape 0,327 € 0,308 € 0,273 € 0,259 € Reel 0,204 € View 0,23 € 0,218 € 0,202 € 0,20 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 125C Temperature Sensor B59641A0125A062 TDK 1: 0,353 € 304In Stock	Mfr. Part No. B59641A0125A062 Mouser Part No 871-B59641A0125A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 125C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	304In Stock	Cut Tape 0,353 € 0,326 € 0,289 € 0,269 € Reel 0,203 € View 0,237 € 0,218 € 0,181 € 0,178 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 135C Temperature Sensor B59641A0135A062 TDK 1: 0,327 € 4.703In Stock	Mfr. Part No. B59641A0135A062 Mouser Part No 871-B59641A0135A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 135C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	4.703In Stock	Cut Tape 0,327 € 0,308 € 0,273 € 0,259 € Reel 0,197 € View 0,23 € 0,206 € 0,188 € 0,185 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 130C Temperature Sensor B59721A0130A062 TDK 1: 0,404 € 3.991In Stock	Mfr. Part No. B59721A0130A062 Mouser Part No 871-B59721A0130A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 130C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	3.991In Stock	Cut Tape 0,404 € 0,379 € 0,354 € 0,336 € View Reel 0,242 € 0,316 € 0,28 € 0,264 € 0,242 € MouseReel Available	Min.: 1 Mult.: 1 : 4.000
PTC (Positive Temperature Coefficient) Thermistors 260AC,370DC,70oHMS PTC Thermistor B59770C0120A070 TDK 1: 1,50 € 860In Stock	Mfr. Part No. B59770C0120A070 Mouser Part No 871-B59770C120A70	TDK	PTC (Positive Temperature Coefficient) Thermistors 260AC,370DC,70oHMS PTC Thermistor Learn More about TDK epcos self protecting ptc thermistors	Datasheet	860In Stock	1,50 € 1,43 € 1,34 € 1,29 € Reel 1,08 € View 1,24 € 1,12 € 0,955 €	Min.: 1 Mult.: 1 : 1.000
PTC (Positive Temperature Coefficient) Thermistors 260AC,370DC,120oHMS PTC Thermistor B59771C0120A070 TDK 1: 1,89 € 82In Stock 1.000Expected 12/16/2026	Mfr. Part No. B59771C0120A070 Mouser Part No 871-B59771C120A70	TDK	PTC (Positive Temperature Coefficient) Thermistors 260AC,370DC,120oHMS PTC Thermistor	Datasheet	82In Stock 1.000Expected 12/16/2026	1,89 € 1,64 € 1,43 € 1,37 € View Reel 1,04 € 1,28 € 1,14 € 1,04 €	Min.: 1 Mult.: 1 : 1.000
PTC (Positive Temperature Coefficient) Thermistors 810A 130A 70 20X2.5 PTC Thermistor B59810C0130A070 TDK 1: 5,12 € 338In Stock 4.310Expected 12/7/2026	Mfr. Part No. B59810C0130A070 Mouser Part No 871-B59810C0130A070	TDK	PTC (Positive Temperature Coefficient) Thermistors 810A 130A 70 20X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	338In Stock 4.310Expected 12/7/2026	5,12 € 4,25 € 3,92 € 3,25 € View Reel 2,29 € 3,00 € 2,76 € 2,49 € 2,29 €	Min.: 1 Mult.: 1 : 1.000
PTC (Positive Temperature Coefficient) Thermistors 840A 80A 70 16X2.5 PTC Thermistor B59840C0080A070 TDK 1: 2,36 € 60In Stock 1.000On Order	Mfr. Part No. B59840C0080A070 Mouser Part No 871-B59840C0080A070	TDK	PTC (Positive Temperature Coefficient) Thermistors 840A 80A 70 16X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	60In Stock 1.000On Order	2,36 € 2,07 € 1,72 € 1,58 € View Reel 1,21 € 1,43 € 1,28 € 1,21 €	Min.: 1 Mult.: 1 : 1.000
PTC (Positive Temperature Coefficient) Thermistors 840A 130A 70 12X2.5 PTC Thermistor B59840C0130A070 TDK 1: 1,46 € 1.196In Stock	Mfr. Part No. B59840C0130A070 Mouser Part No 871-B59840C0130A070	TDK	PTC (Positive Temperature Coefficient) Thermistors 840A 130A 70 12X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	1.196In Stock	1,46 € 1,35 € 1,33 € 1,13 € View Reel 0,824 € 1,04 € 0,929 € 0,824 €	Min.: 1 Mult.: 1 : 700
PTC (Positive Temperature Coefficient) Thermistors 7.0A 3.7ohms B59850C0120A070 TDK 1: 1,68 € 537In Stock 1.400Expected 11/9/2026	Mfr. Part No. B59850C0120A070 Mouser Part No 871-B59850C120A70	TDK	PTC (Positive Temperature Coefficient) Thermistors 7.0A 3.7ohms Learn More about TDK epcos ptc thermistors	Datasheet	537In Stock 1.400Expected 11/9/2026	1,68 € 1,53 € 1,39 € 1,27 € View 1,18 € 1,07 € 0,946 € 0,869 € 0,86 €	Min.: 1 Mult.: 1
PTC (Positive Temperature Coefficient) Thermistors 2.2A 10ohms B59850C0160A070 TDK 1: 1,78 € 680In Stock	Mfr. Part No. B59850C0160A070 Mouser Part No 871-B59850C160A70	TDK	PTC (Positive Temperature Coefficient) Thermistors 2.2A 10ohms Learn More about TDK epcos ptc thermistors	Datasheet	680In Stock	1,78 € 1,61 € 1,35 € 1,32 € Reel 1,01 € View 1,20 € 1,14 € 0,869 € 0,824 €	Min.: 1 Mult.: 1 : 700
PTC (Positive Temperature Coefficient) Thermistors 860A 80A 70 10X2.5 PTC Thermistor B59860C0080A070 TDK 1: 1,41 € 1.671In Stock	Mfr. Part No. B59860C0080A070 Mouser Part No 871-B59860C0080A070	TDK	PTC (Positive Temperature Coefficient) Thermistors 860A 80A 70 10X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	1.671In Stock	1,41 € 1,30 € 1,18 € 1,07 € Reel 0,805 € View 0,98 € 0,894 € 0,841 € 0,68 €	Min.: 1 Mult.: 1 : 1.300
PTC (Positive Temperature Coefficient) Thermistors 860A 130A 70 8X2.5 PTC Thermistor B59860C0130A070 TDK 1: 1,33 € 739In Stock	Mfr. Part No. B59860C0130A070 Mouser Part No 871-B59860C0130A070	TDK	PTC (Positive Temperature Coefficient) Thermistors 860A 130A 70 8X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	739In Stock	1,33 € 1,23 € 1,12 € 1,01 € Reel 0,718 € View 0,929 € 0,846 € 0,78 € 0,664 €	Min.: 1 Mult.: 1 : 1.000
PTC (Positive Temperature Coefficient) Thermistors 1.5A 15ohms B59860C0120A070 TDK 1: 1,41 € 587In Stock 700Expected 4/5/2027	Mfr. Part No. B59860C0120A070 Mouser Part No 871-B59860C120A70	TDK	PTC (Positive Temperature Coefficient) Thermistors 1.5A 15ohms Learn More about TDK epcos ptc thermistors	Datasheet	587In Stock 700Expected 4/5/2027	1,41 € 1,30 € 1,18 € 1,07 € Reel 0,792 € View 0,98 € 0,894 € 0,73 € 0,68 €	Min.: 1 Mult.: 1 : 700
PTC (Positive Temperature Coefficient) Thermistors 870A 130A 70 5X2.5 PTC Thermistor B59870C0130A070 TDK 1: 1,09 € 450In Stock 10.000Expected 1/4/2027	Mfr. Part No. B59870C0130A070 Mouser Part No 871-B59870C0130A070	TDK	PTC (Positive Temperature Coefficient) Thermistors 870A 130A 70 5X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	450In Stock 10.000Expected 1/4/2027	1,09 € 1,01 € 0,894 € 0,806 € View Reel 0,54 € 0,762 € 0,691 € 0,621 € 0,598 € 0,54 €	Min.: 1 Mult.: 1 : 2.000
PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor C 871-A 135-A 70 8X2,5 B59871C0135A070 TDK 1: 1,08 € 909In Stock	Mfr. Part No. B59871C0135A070 Mouser Part No 871-B59871C135A70	TDK	PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor C 871-A 135-A 70 8X2,5 Learn More about TDK epcos ptc thermistors	Datasheet	909In Stock	1,08 € 1,02 € 0,963 € 0,92 € Reel 0,748 € View 0,886 € 0,816 € 0,675 €	Min.: 1 Mult.: 1 : 1.000
PTC (Positive Temperature Coefficient) Thermistors 874A 120A 70 8X2.5 PTC Thermistor B59874C0120A070 TDK 1: 1,48 € 5In Stock 1.000Expected 5/10/2027	Mfr. Part No. B59874C0120A070 Mouser Part No 871-B59874C0120A070	TDK	PTC (Positive Temperature Coefficient) Thermistors 874A 120A 70 8X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	5In Stock 1.000Expected 5/10/2027	1,48 € 1,23 € 1,05 € 1,01 € Reel 0,76 € View 0,929 € 0,886 € 0,792 € 0,735 €	Min.: 1 Mult.: 1 : 1.000
PTC (Positive Temperature Coefficient) Thermistors 875A 120A570 8X2.5 PTC Thermistor B59875C0120A570 TDK 1: 1,26 € 734In Stock	Mfr. Part No. B59875C0120A570 Mouser Part No 871-B59875C0120A570	TDK	PTC (Positive Temperature Coefficient) Thermistors 875A 120A570 8X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	734In Stock	1,26 € 1,20 € 1,13 € 1,08 € View 1,03 € 0,937 € 0,86 € 0,78 €	Min.: 1 Mult.: 1

PTC Thermistors

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PTC Thermistors

Types of Circuit Protection