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Thermistors - PTC

PTC Thermistors are available at Mouser from industry leading manufacturers. Mouser is an authorized distributor for many PTC thermistor manufacturers including Murata, Schneider Electric, TDK, Vishay & more. Please view our large selection of PTC thermistors below.

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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.	Series	Resistance	Tolerance	Mounting Style	Termination Style	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
PTC Thermistors 80Vdc 310mA 16ohms PTC Overcurrent B59315P1120A062 TDK 1: ¥383.7 5,990In Stock 5,000Expected 12/7/2026	Mfr. Part # B59315P1120A062 Mouser Part # 871-B59315P1120A062	TDK	PTC Thermistors 80Vdc 310mA 16ohms PTC Overcurrent Learn More about TDK epcos ptc thermistors	Datasheet	5,990In Stock 5,000Expected 12/7/2026	Cut Tape ¥383.7 ¥343.8 ¥280.7 ¥260.8 Reel ¥204.3 View ¥249.2 ¥242.5 ¥217.6 ¥189.4 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	Surface Mount OverCurrent PTC	16 Ohms	25 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
PTC Thermistors 440volts 120ohms ICL AEC-Q200 B59412C1130B070 TDK 1: ¥478.4 2,850In Stock 4,000Expected 11/17/2026	Mfr. Part # B59412C1130B070 Mouser Part # 871-B59412C1130B70	TDK	PTC Thermistors 440volts 120ohms ICL AEC-Q200 Learn More about TDK epcos self protecting ptc thermistors	Datasheet	2,850In Stock 4,000Expected 11/17/2026	¥478.4 ¥425.2 ¥400.3 ¥355.5 View ¥337.2 ¥304 ¥280.7 ¥259.1	Min.: 1 Mult.: 1	Inrush Current Limiter SMD Type	120 Ohms	25 %	PCB Mount	Radial	- 40 C	+ 125 C	AEC-Q100	Cut Tape
PTC Thermistors 0402 470ohms 105C Temperature Sensor B59421A0105A062 TDK 1: ¥74.7 13,010In Stock	Mfr. Part # B59421A0105A062 Mouser Part # 871-B59421A0105A062	TDK	PTC Thermistors 0402 470ohms 105C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	13,010In Stock	Cut Tape ¥74.7 ¥69.8 ¥65.1 ¥61.8 View Reel ¥44.3 ¥58.5 ¥51.8 ¥48.7 ¥44.3 ¥44.3 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	Surface Mount Limit Temperature Sensor	470 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 0402 470ohms 125C Temperature Sensor B59421A0125A062 TDK 1: ¥74.7 12,860In Stock	Mfr. Part # B59421A0125A062 Mouser Part # 871-B59421A0125A062	TDK	PTC Thermistors 0402 470ohms 125C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	12,860In Stock	Cut Tape ¥74.7 ¥69.8 ¥65.1 ¥61.8 View Reel ¥45.7 ¥58.8 ¥53 ¥50 ¥45.7 ¥45.7 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	Surface Mount Limit Temperature Sensor	470 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 440volts 56ohms ICL AEC-Q200 B59451C1130B70 TDK 1: ¥478.4 1,098In Stock 1,500Expected 11/30/2027	Mfr. Part # B59451C1130B70 Mouser Part # 871-B59451C1130B70	TDK	PTC Thermistors 440volts 56ohms ICL AEC-Q200 Learn More about TDK xev bms applications	Datasheet	1,098In Stock 1,500Expected 11/30/2027	¥478.4 ¥441.8 ¥367.1 ¥338.8 Reel ¥313.9 View ¥313.9 ¥259.1	Min.: 1 Mult.: 1 : 500	B597x-Cx	56 Ohms	25 %	PCB Mount	Radial	- 40 C	+ 125 C	AEC-Q100	Ammo Pack
PTC Thermistors 0603 470ohms 105C Temperature Sensor B59601A0105A062 TDK 1: ¥86.4 6,436In Stock	Mfr. Part # B59601A0105A062 Mouser Part # 871-B59601A0105A062	TDK	PTC Thermistors 0603 470ohms 105C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	6,436In 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	Surface Mount Limit Temperature Sensor			PCB Mount	SMD/SMT				Reel, Cut Tape, MouseReel
PTC Thermistors 0603 60Vdc 20mA PTC Overcurrent B59622A0090A062 TDK 1: ¥112.9 10,595In Stock	Mfr. Part # B59622A0090A062 Mouser Part # 871-B59622A0090A062	TDK	PTC Thermistors 0603 60Vdc 20mA PTC Overcurrent Learn More about TDK epcos kits	Datasheet	10,595In Stock	Cut Tape ¥112.9 ¥103.6 ¥86 ¥79.4 ¥71.4 Reel ¥70.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Surface Mount Limit Temperature Sensor	220 Ohms	25 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
PTC Thermistors 0603 63Vdc 25mA PTC Overcurrent B59623A0090A062 TDK 1: ¥189.4 4,082In Stock	Mfr. Part # B59623A0090A062 Mouser Part # 871-B59623A0090A062	TDK	PTC Thermistors 0603 63Vdc 25mA PTC Overcurrent Learn More about TDK epcos kits	Datasheet	4,082In Stock	Cut Tape ¥189.4 ¥174.4 ¥154.8 ¥137 View Reel ¥86.2 ¥130.2 ¥119.6 ¥108.8 ¥100 ¥86.2 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Surface Mount OverCurrent PTC			PCB Mount	SMD/SMT				Reel, Cut Tape, MouseReel
PTC Thermistors 0603 470ohms 115C Temperature Sensor B59641A0115A062 TDK 1: ¥63.1 10,305In 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	10,305In 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	Surface Mount Limit Temperature Sensor	470 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 0805 680ohms 100C Temperature Sensor B59701A0100A062 TDK 1: ¥116.3 7,542In Stock	Mfr. Part # B59701A0100A062 Mouser Part # 871-B59701A0100A062	TDK	PTC Thermistors 0805 680ohms 100C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	7,542In Stock	Cut Tape ¥116.3 ¥110 ¥102.8 ¥98 View Reel ¥73.3 ¥93.5 ¥83.2 ¥79.6 ¥73.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Telecom Pair Protection Over current in Housing style			PCB Mount	SMD/SMT				Reel, Cut Tape, MouseReel
PTC Thermistors 0805 680ohms 70C Temperature Sensor B59721A0070A062 TDK 1: ¥73.1 40,686In Stock	Mfr. Part # B59721A0070A062 Mouser Part # 871-B59721A0070A062	TDK	PTC Thermistors 0805 680ohms 70C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	40,686In Stock	Cut Tape ¥73.1 ¥69.1 ¥64.4 ¥61.3 View Reel ¥42.4 ¥58.5 ¥52.5 ¥49.7 ¥42.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Surface Mount Limit Temperature Sensor	680 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 0805 680ohms 80C Temperature Sensor B59721A0080A062 TDK 1: ¥73.1 17,567In Stock	Mfr. Part # B59721A0080A062 Mouser Part # 871-B59721A0080A062	TDK	PTC Thermistors 0805 680ohms 80C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	17,567In Stock	Cut Tape ¥73.1 ¥69.1 ¥64.4 ¥61.3 View Reel ¥45.3 ¥58.5 ¥52.5 ¥49.7 ¥45.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Surface Mount Limit Temperature Sensor	680 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 0805 680ohms 90C Temperature Sensor B59721A0090A062 TDK 1: ¥73.1 7,631In Stock	Mfr. Part # B59721A0090A062 Mouser Part # 871-B59721A0090A062	TDK	PTC Thermistors 0805 680ohms 90C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	7,631In Stock	Cut Tape ¥73.1 ¥69.1 ¥64.4 ¥61.3 View Reel ¥45.3 ¥58.5 ¥52.5 ¥49.7 ¥45.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Surface Mount OverCurrent PTC	680 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 0805 680ohms 120C Temperature Sensor B59721A0120A062 TDK 1: ¥73.1 6,465In Stock	Mfr. Part # B59721A0120A062 Mouser Part # 871-B59721A0120A062	TDK	PTC Thermistors 0805 680ohms 120C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	6,465In Stock	Cut Tape ¥73.1 ¥69.1 ¥64.4 ¥61.3 View Reel ¥42.4 ¥58.5 ¥52.5 ¥49.7 ¥42.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Surface Mount OverCurrent PTC	680 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 0805 680ohms 100C Temperature Sensor B59721A100A62 TDK 1: ¥73.1 20,000In Stock	Mfr. Part # B59721A100A62 Mouser Part # 871-B59721A100A62	TDK	PTC Thermistors 0805 680ohms 100C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	20,000In Stock	Cut Tape ¥73.1 ¥69.1 ¥64.4 ¥61.3 View Reel ¥45.3 ¥58.5 ¥52.5 ¥49.7 ¥45.3 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Superior			PCB Mount	SMD/SMT			AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 0805 680ohms 110C Temperature Sensor B59721A110A62 TDK 1: ¥73.1 7,500In Stock	Mfr. Part # B59721A110A62 Mouser Part # 871-B59721A110A62	TDK	PTC Thermistors 0805 680ohms 110C Temperature Sensor Learn More about TDK epcos superior ptc thermistors	Datasheet	7,500In Stock	Cut Tape ¥73.1 ¥69.1 ¥64.4 ¥61.3 View Reel ¥44.7 ¥58.5 ¥52.5 ¥49.7 ¥44.7 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	Superior			PCB Mount	SMD/SMT			AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 280AC, 400DC,25oHMS B59750C120A70 TDK 1: ¥548.1 10,997In Stock 1,000Expected 11/9/2026	Mfr. Part # B59750C120A70 Mouser Part # 871-B59750C120A70	TDK	PTC Thermistors 280AC, 400DC,25oHMS Learn More about TDK epcos self protecting ptc thermistors	Datasheet	10,997In Stock 1,000Expected 11/9/2026	¥548.1 ¥443.5 ¥418.6 ¥363.8 Reel ¥352.1 View ¥352.1 ¥343.8 ¥325.6	Min.: 1 Mult.: 1 : 500	B597x-Cx	25 Ohms	25 %	PCB Mount	Radial	- 40 C	+ 125 C		Ammo Pack
PTC Thermistors 280AC,400DC,80oHMS PTC Thermistor B59752C0120A070 TDK 1: ¥403.6 1,747In Stock	Mfr. Part # B59752C0120A070 Mouser Part # 871-B59752C120A70	TDK	PTC Thermistors 280AC,400DC,80oHMS PTC Thermistor Learn More about TDK epcos self protecting ptc thermistors	Datasheet	1,747In Stock	¥403.6 ¥385.4 ¥363.8 ¥348.8 View ¥335.5 ¥275.7 ¥267.4	Min.: 1 Mult.: 1	Inrush Current Limiter Leaded Disk Type	80 Ohms	25 %	PCB Mount	Radial	- 40 C	+ 125 C		Bulk
PTC Thermistors 440AC,620DC,150oHMS PTC Thermistor B59754C0120A070 TDK 1: ¥403.6 1,236In Stock	Mfr. Part # B59754C0120A070 Mouser Part # 871-B59754C120A70	TDK	PTC Thermistors 440AC,620DC,150oHMS PTC Thermistor	Datasheet	1,236In Stock	¥403.6 ¥385.4 ¥363.8 ¥355.5 View ¥343.8 ¥313.9 ¥304 ¥270.7	Min.: 1 Mult.: 1	Inrush Current Limiter Leaded Disk Type	150 Ohms	25 %	PCB Mount	Radial	- 40 C	+ 125 C		Bulk
PTC Thermistors 1000AC/DC,7.5KoHMS PTC Thermistor B59758C0110A070 TDK 1: ¥471.7 4,024In Stock 9,500Expected 12/23/2026	Mfr. Part # B59758C0110A070 Mouser Part # 871-B59758C110A70	TDK	PTC Thermistors 1000AC/DC,7.5KoHMS PTC Thermistor Learn More about TDK epcos self protecting ptc thermistors	Datasheet	4,024In Stock 9,500Expected 12/23/2026	¥471.7 ¥426.9 ¥380.4 ¥362.1 Reel ¥342.2 View ¥352.1 ¥300.6 ¥279	Min.: 1 Mult.: 1 : 500	Inrush Current Limiter Leaded Disk Type	7.5 kOhms	33 %	PCB Mount	Radial	- 40 C	+ 125 C		Ammo Pack
PTC Thermistors 440AC,620DC,500oHMS PTC Thermistor B59773C0120A070 TDK 1: ¥289 1,600In Stock 5,000Expected 11/23/2026	Mfr. Part # B59773C0120A070 Mouser Part # 871-B59773C120A70	TDK	PTC Thermistors 440AC,620DC,500oHMS PTC Thermistor Learn More about TDK epcos self protecting ptc thermistors	Datasheet	1,600In Stock 5,000Expected 11/23/2026	¥289 ¥275.7 ¥259.1 ¥249.2 Reel ¥214.3 View ¥242.5 ¥222.6 ¥187.7	Min.: 1 Mult.: 1 : 1,000	Inrush Current Limiter Leaded Disk Type	500 Ohms	25 %	PCB Mount	Radial	- 40 C	+ 125 C		Ammo Pack
PTC Thermistors 830A 130A 70 16X2.5 PTC Thermistor B59830C0130A070 TDK 1: ¥408.6 1,525In Stock	Mfr. Part # B59830C0130A070 Mouser Part # 871-B59830C0130A070	TDK	PTC Thermistors 830A 130A 70 16X2.5 PTC Thermistor Learn More about TDK epcos ptc thermistors	Datasheet	1,525In Stock	¥408.6 ¥377 ¥340.5 ¥300.6 Reel ¥219.3 View ¥282.4 ¥259.1 ¥239.2 ¥207.6	Min.: 1 Mult.: 1 : 1,000	Over Current Protection Leaded Disk Style	5 Ohms	25 %	PCB Mount	Radial	- 40 C	+ 125 C		Ammo Pack
PTC Thermistors 7.0A 3.7ohms B59830C0160A070 TDK 1: ¥372.1 1,440In Stock	Mfr. Part # B59830C0160A070 Mouser Part # 871-B59830C160A70	TDK	PTC Thermistors 7.0A 3.7ohms Learn More about TDK epcos ptc thermistors	Datasheet	1,440In Stock	¥372.1 ¥355.5 ¥333.9 ¥320.6 Reel ¥265.8 View ¥307.3 ¥275.7 ¥254.1	Min.: 1 Mult.: 1 : 1,000	Over Current Protection Leaded Disk Style	3.7 Ohms	25 %	PCB Mount	Radial	- 40 C	+ 125 C		Ammo Pack
PTC Thermistors PTC Thermistor C 840A 120A 70 16X2,5 B59840C0120A070 TDK 1: ¥470.1 2,815In Stock 4,000Expected 2/1/2027	Mfr. Part # B59840C0120A070 Mouser Part # 871-B59840C120A70	TDK	PTC Thermistors PTC Thermistor C 840A 120A 70 16X2,5 Learn More about TDK epcos ptc thermistors	Datasheet	2,815In Stock 4,000Expected 2/1/2027	¥470.1 ¥383.7 ¥310.6 ¥289 Reel ¥232.5 View ¥274.1 ¥240.8 ¥215.9	Min.: 1 Mult.: 1 : 1,000	Over Current Protection Leaded Disk Style	6 Ohms	25 %	PCB Mount	Radial	- 40 C	+ 125 C		Ammo Pack
PTC Thermistors 7.0A 3.7ohms B59850C0120A070 TDK 1: ¥323.9 1,787In Stock	Mfr. Part # B59850C0120A070 Mouser Part # 871-B59850C120A70	TDK	PTC Thermistors 7.0A 3.7ohms Learn More about TDK epcos ptc thermistors	Datasheet	1,787In Stock	¥323.9 ¥295.7 ¥269.1 ¥245.8 View ¥227.6 ¥206 ¥182.7 ¥167.8 ¥166.1	Min.: 1 Mult.: 1	Over Current Protection Leaded Disk Style	10 Ohms	25 %	PCB Mount	Radial	0 C	+ 60 C		Bulk