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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 PRF18BF471RB5RB Murata Electronics 1: ¥68.1 3,042In Stock	Mfr. Part # PRF18BF471RB5RB Mouser Part # 81-PRF18BF471RB5RB	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	3,042In Stock	Cut Tape ¥68.1 ¥63.3 ¥56 ¥53.3 View Reel ¥38.4 ¥47.8 ¥41.5 ¥38.4 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,000 : 4,000	PRF	470 Ohms	50 %	PCB Mount	SMD/SMT	- 20 C	+ 100 C		Reel, Cut Tape, MouseReel
PTC Thermistors PRF18BF471RS5RB Murata Electronics 1: ¥86.4 3,880In Stock	Mfr. Part # PRF18BF471RS5RB Mouser Part # 81-PRF18BF471RS5RB	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	3,880In Stock	¥86.4 ¥65.4 ¥56.5 ¥46.3 View ¥40.9 ¥39.2 ¥33.4 ¥32.6 ¥31.9	Min.: 1 Mult.: 1	PRF18_S	470 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 150 C	AEC-Q200	Bulk
PTC Thermistors 470 OHM 50% SMD 0805 PRF21BA471QB5RA Murata Electronics 1: ¥58.1 1,271In Stock 4,000Expected 12/15/2026	Mfr. Part # PRF21BA471QB5RA Mouser Part # 81-PRF21BA471QB5RA	Murata Electronics	PTC Thermistors 470 OHM 50% SMD 0805 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	1,271In Stock 4,000Expected 12/15/2026	Cut Tape ¥58.1 ¥54.6 ¥48.2 ¥45.8 Reel ¥35.4 View ¥40.9 ¥37.7 ¥34.1 ¥31.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRF	470 Ohms	50 %	PCB Mount	SMD/SMT	- 20 C	+ 140 C		Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 50% SMD 0805 PRF21BB471QB5RA Murata Electronics 1: ¥58.1 1,430In Stock	Mfr. Part # PRF21BB471QB5RA Mouser Part # 81-PRF21BB471QB5RA	Murata Electronics	PTC Thermistors 470 OHM 50% SMD 0805 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	1,430In Stock	Cut Tape ¥58.1 ¥54.6 ¥48.2 ¥45.8 Reel ¥31.2 View ¥40.9 ¥39.2 ¥30.6 ¥30.1 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRF	470 Ohms	50 %	PCB Mount	SMD/SMT	- 20 C	+ 130 C		Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 50% SMD 0805 PRF21BC471QB5RA Murata Electronics 1: ¥76.4 4,870In Stock	Mfr. Part # PRF21BC471QB5RA Mouser Part # 81-PRF21BC471QB5RA	Murata Electronics	PTC Thermistors 470 OHM 50% SMD 0805 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	4,870In Stock	Cut Tape ¥76.4 ¥65.4 ¥56.5 ¥46.3 Reel ¥35.4 View ¥40.9 ¥35.5 ¥31.4 ¥31.1 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRF	470 Ohms	50 %	PCB Mount	SMD/SMT	- 20 C	+ 120 C		Reel, Cut Tape, MouseReel
PTC Thermistors PRF21BD471QB5RA Murata Electronics 1: ¥74.7 318In Stock 4,000Expected 1/8/2027	Mfr. Part # PRF21BD471QB5RA Mouser Part # 81-PRF21BD471QB5RA	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	318In Stock 4,000Expected 1/8/2027	Cut Tape ¥74.7 ¥61.8 ¥53.8 ¥47.5 Reel ¥31.1 View ¥42.2 ¥33.9 ¥29.9 ¥29.1 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRF	470 Ohms	50 %	PCB Mount	SMD/SMT	- 20 C	+ 110 C		Reel, Cut Tape, MouseReel
PTC Thermistors 100 OHM 20% SMD 0603 PRG18BB101MS1RB Murata Electronics 1: ¥83.1 2,638In Stock	Mfr. Part # PRG18BB101MS1RB Mouser Part # 81-PRG18BB101MS1RB	Murata Electronics	PTC Thermistors 100 OHM 20% SMD 0603 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	2,638In Stock	Cut Tape ¥83.1 ¥76.6 ¥73.3 ¥63.6 View Reel ¥40.5 ¥58 ¥52.8 ¥48.7 ¥46.7 ¥40.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG18-MS1RB	100 Ohms	20 %	PCB Mount	SMD/SMT	- 40 C	+ 75 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 33 OHM 20% SMD 0603 PRG18BB330MS1RB Murata Electronics 1: ¥83.1 1,345In Stock 4,000Expected 12/4/2026	Mfr. Part # PRG18BB330MS1RB Mouser Part # 81-PRG18BB330MS1RB	Murata Electronics	PTC Thermistors 33 OHM 20% SMD 0603 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	1,345In Stock 4,000Expected 12/4/2026	Cut Tape ¥83.1 ¥76.6 ¥73.3 ¥63.6 View Reel ¥36.9 ¥58 ¥52.8 ¥48.7 ¥44.8 ¥36.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG18-MS1RB	33 Ohms	20 %	PCB Mount	SMD/SMT	- 40 C	+ 75 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 22 OHM 20% SMD 0805 PRG21AR220MS1RK Murata Electronics 1: ¥99.7 2,632In Stock 12,000Expected 12/11/2026	Mfr. Part # PRG21AR220MS1RK Mouser Part # 81-PRG21AR220MS1RK	Murata Electronics	PTC Thermistors 22 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	2,632In Stock 12,000Expected 12/11/2026	Cut Tape ¥99.7 ¥81.9 ¥78.2 ¥68.1 View Reel ¥40.5 ¥59.8 ¥58 ¥50.3 ¥46.7 ¥40.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PRG21-MS1RK	22 Ohms	20 %	PCB Mount	SMD/SMT	- 40 C	+ 105 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 42 OHM 20% SMD 0805 PRG21AR420MB1RA Murata Electronics 1: ¥93 3,656In Stock 4,000Expected 1/18/2027	Mfr. Part # PRG21AR420MB1RA Mouser Part # 81-PRG21AR420MB1RA	Murata Electronics	PTC Thermistors 42 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	3,656In Stock 4,000Expected 1/18/2027	Cut Tape ¥93 ¥84 ¥77.6 ¥70.6 View Reel ¥49.8 ¥63 ¥59.1 ¥53.5 ¥50.3 ¥49.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG21-MB1RA	42 Ohms	20 %	PCB Mount	SMD/SMT	- 10 C	+ 60 C		Reel, Cut Tape, MouseReel
PTC Thermistors 42 OHM 20% SMD 0805 PRG21AR420MS1RA Murata Electronics 1: ¥83.1 817In Stock	Mfr. Part # PRG21AR420MS1RA Mouser Part # 81-PRG21AR420MS1RA	Murata Electronics	PTC Thermistors 42 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	817In Stock	Cut Tape ¥83.1 ¥76.6 ¥73.3 ¥63.6 View Reel ¥40.4 ¥58 ¥52.8 ¥48.7 ¥44.8 ¥40.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG21-MS1RA	42 Ohms	20 %	PCB Mount	SMD/SMT	- 40 C	+ 105 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC Thermistors 1 OHM 20% SMD 0805 PRG21BC1R0MM1RA Murata Electronics 1: ¥101.3 4,484In Stock	Mfr. Part # PRG21BC1R0MM1RA Mouser Part # 81-PRG21BC1R0MM1RA	Murata Electronics	PTC Thermistors 1 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	4,484In Stock	Cut Tape ¥101.3 ¥92.7 ¥89.5 ¥76.9 View Reel ¥51.5 ¥68.6 ¥63.8 ¥58.8 ¥54 ¥51.5 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4,000 : 4,000	PRG21-MM1RA	1 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC Thermistors 2.2 OHM 20% SMD 0805 PRG21BC2R2MM1RA Murata Electronics 1: ¥99.7 4,345In Stock 8,000Expected 11/11/2026	Mfr. Part # PRG21BC2R2MM1RA Mouser Part # 81-PRG21BC2R2MM1RA	Murata Electronics	PTC Thermistors 2.2 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	4,345In Stock 8,000Expected 11/11/2026	Cut Tape ¥99.7 ¥90.9 ¥85.2 ¥75.6 View Reel ¥50.5 ¥69.8 ¥62.6 ¥57.8 ¥53.3 ¥50.5 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG21-MM1RA	2.2 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC Thermistors PRG21BC3R3MM1RA Murata Electronics 1: ¥104.6 2,071In Stock 4,000Expected 1/22/2027	Mfr. Part # PRG21BC3R3MM1RA Mouser Part # 81-PRG21BC3R3MM1RA	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	2,071In Stock 4,000Expected 1/22/2027	Cut Tape ¥104.6 ¥96.3 ¥93.2 ¥79.9 View Reel ¥53.8 ¥73.7 ¥66.3 ¥61.1 ¥56.5 ¥53.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG21-MM1RA	3.3 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC Thermistors 0805 680ohms 120C Temperature Sensor B59701A120A62 TDK 1: ¥116.3 1,439In Stock	Mfr. Part # B59701A120A62 Mouser Part # 871-B59701A120A62	TDK	PTC Thermistors 0805 680ohms 120C Temperature Sensor Learn More about TDK epcosPTCSMDthermistor	Datasheet	1,439In Stock	Cut Tape ¥116.3 ¥110 ¥102.8 ¥98 View Reel ¥73.4 ¥93.5 ¥83.2 ¥79.6 ¥73.4 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	B59701	680 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 145 C		Reel, Cut Tape, MouseReel
PTC Thermistors Thermoventil.Heat. 350-550W 120V NSYCRP1W120VTVC Schneider Electric 1: ¥49,635.7 3In Stock	Mfr. Part # NSYCRP1W120VTVC Mouser Part # 996-NSYCRP1W120VTVC	Schneider Electric	PTC Thermistors Thermoventil.Heat. 350-550W 120V Learn More about Schneider Electric universal enclosures	Datasheet	3In Stock	¥49,635.7	Min.: 1 Mult.: 1	ClimaSys CR
PTC Thermistors Standard PTC -/+30% YQS6000 Amphenol Advanced Sensors 1: ¥604.6 825In Stock	Mfr. Part # YQS6000 Mouser Part # 527-YQS6000	Amphenol Advanced Sensors	PTC Thermistors Standard PTC -/+30% Learn More about Amphenol Advanced Sensors amphenol ptc thermistors	Datasheet	825In Stock	¥604.6 ¥523.2 ¥500 ¥463.4 View ¥428.5 ¥385.4 ¥373.7 ¥327.2 ¥325.6	Min.: 1 Mult.: 1	YQ	10 Ohms	20 %	PCB Mount	Radial				Bulk
PTC Thermistors PTC Thermistor C 810-A 120-A 70 24,5X2,5 B59810C0120A070 TDK 1: ¥1,473.3 900In Stock End of Life	Mfr. Part # B59810C0120A070 Mouser Part # 871-B59810C120A70 End of Life	TDK	PTC Thermistors PTC Thermistor C 810-A 120-A 70 24,5X2,5 Learn More about TDK epcos ptc thermistors	Datasheet	900In Stock	¥1,473.3 ¥1,330.5 ¥1,277.3 ¥1,214.2 Reel ¥1,069.7 View ¥1,152.7 ¥1,097.9 ¥1,063 ¥963.4	Min.: 1 Mult.: 1 : 300	Inrush Current Limiter Leaded Disk Type								Ammo Pack
PTC Thermistors PRG15BC680MM1RC Murata Electronics 1: ¥28.2 9,680In Stock NRND	Mfr. Part # PRG15BC680MM1RC Mouser Part # 81-PRG15BC680MM1RC NRND	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	9,680In Stock	Cut Tape ¥28.2 ¥25.9 ¥22.8 ¥21.4 Reel ¥14.8 View ¥18.8 ¥17.9 ¥16.1 ¥13.8 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	PRG15-MM1RC	68 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC Thermistors PRG18BC100MM1RB Murata Electronics 1: ¥64.8 2,835In Stock NRND	Mfr. Part # PRG18BC100MM1RB Mouser Part # 81-PRG18BC100MM1RB NRND	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	2,835In Stock	Cut Tape ¥64.8 ¥58.5 ¥48.7 ¥40.4 Reel ¥25.9 View ¥37.2 ¥28.4 ¥23.3 ¥23.1 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG18-MM1RB	10 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC Thermistors 4.7 OHM 20% SMD 0805 PRG18BC4R7MM1RB Murata Electronics 1: ¥64.8 6,264In Stock NRND	Mfr. Part # PRG18BC4R7MM1RB Mouser Part # 81-PRG18BC4R7MM1RB NRND	Murata Electronics	PTC Thermistors 4.7 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	6,264In Stock	Cut Tape ¥64.8 ¥59.5 ¥49.5 ¥41 Reel ¥29.7 View ¥37.9 ¥32.4 ¥28.7 ¥27.9 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG18-MM1RB	4.7 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC Thermistors PRG21BC0R4MM1RK Murata Electronics 1: ¥137.9 370In Stock NRND	Mfr. Part # PRG21BC0R4MM1RK Mouser Part # 81-PRG21BC0R4MM1RK NRND	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	370In Stock	Cut Tape ¥137.9 ¥105 ¥90.4 ¥87.2 View Reel ¥49.7 ¥74.2 ¥64.6 ¥59.6 ¥49.7 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PRG21-MM1RK	400 mOhms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC Thermistors PRG21BC3R3MM1RK Murata Electronics 1: ¥139.5 1,553In Stock NRND	Mfr. Part # PRG21BC3R3MM1RK Mouser Part # 81-PRG21BC3R3MM1RK NRND	Murata Electronics	PTC Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	1,553In Stock	Cut Tape ¥139.5 ¥107 ¥92 ¥88.9 View Reel ¥50.5 ¥75.7 ¥65.8 ¥60.6 ¥50.5 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PRG21-MM1RK	3.3 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC Thermistors PTC 80Deg C Temp Vishay / BC Components PTCSL03T081DT1E PTCSL03T081DT1E Vishay / BC Components 1: ¥127.9 2,121In Stock	Mfr. Part # PTCSL03T081DT1E Mouser Part # 594-PTCSL03T081DT1E	Vishay / BC Components	PTC Thermistors PTC 80Deg C Temp Learn More about Vishay / BC Components vishay ptcsl03	Datasheet	2,121In Stock	Cut Tape ¥127.9 ¥120.4 ¥110.5 ¥104.5 View Reel ¥85.9 ¥101 ¥87.9 ¥85.9 ¥85.9	Min.: 1 Mult.: 1 : 2,000	PTCSL03	20 Ohms to 120 Ohms		PCB Mount	Radial	- 40 C	+ 80 C		Reel, Cut Tape
PTC Thermistors PTC 90Deg C Temp Vishay / BC Components PTCSL03T091DB1E PTCSL03T091DB1E Vishay / BC Components 1: ¥121.3 3,397On Order	Mfr. Part # PTCSL03T091DB1E Mouser Part # 594-PTCSL03T091DB1E	Vishay / BC Components	PTC Thermistors PTC 90Deg C Temp Learn More about Vishay / BC Components vishay ptcsl03	Datasheet	3,397On Order On Order Ship Dates Mfr. #: PTCSL03T091DB1E Stock: 0 On Order: 1,397 Expected 1/25/2027 2,000 Expected 2/10/2027 Factory Lead-Time: 16 Weeks	¥121.3 ¥113.9 ¥104.3 ¥99.7 View ¥95.7 ¥82.7 ¥81.9 ¥77.2	Min.: 1 Mult.: 1	PTCSL03	20 Ohms to 120 Ohms		PCB Mount	Radial	- 40 C	+ 90 C		Bulk