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POSISTOR Thermistors - PTC

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) 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 (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 PRF18BF471QB5RB Murata Electronics 1: $0.17 6,083In Stock 16,000Expected 07/01/2027	Mfr. Part No. PRF18BF471QB5RB Mouser Part No 81-PRF18BF471QB5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	6,083In Stock 16,000Expected 07/01/2027	Cut Tape $0.17 $0.154 $0.135 $0.128 View Reel $0.093 $0.112 $0.097 $0.093 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 (Positive Temperature Coefficient) Thermistors PRF18BF471RB5RB Murata Electronics 1: $0.41 3,042In Stock	Mfr. Part No. PRF18BF471RB5RB Mouser Part No 81-PRF18BF471RB5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	3,042In Stock	Cut Tape $0.41 $0.381 $0.337 $0.321 View Reel $0.231 $0.288 $0.25 $0.231 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 (Positive Temperature Coefficient) Thermistors PRF18BF471RS5RB Murata Electronics 1: $0.52 3,880In Stock	Mfr. Part No. PRF18BF471RS5RB Mouser Part No 81-PRF18BF471RS5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	3,880In Stock	$0.52 $0.394 $0.34 $0.279 View $0.246 $0.236 $0.201 $0.196 $0.192	Min.: 1 Mult.: 1	PRF18_S	470 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 150 C	AEC-Q200	Bulk
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805 PRF21BA471QB5RA Murata Electronics 1: $0.35 1,271In Stock 4,000Expected 15/12/2026	Mfr. Part No. PRF21BA471QB5RA Mouser Part No 81-PRF21BA471QB5RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	1,271In Stock 4,000Expected 15/12/2026	Cut Tape $0.35 $0.329 $0.29 $0.276 Reel $0.213 View $0.246 $0.227 $0.205 $0.192 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 (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805 PRF21BB471QB5RA Murata Electronics 1: $0.35 1,430In Stock	Mfr. Part No. PRF21BB471QB5RA Mouser Part No 81-PRF21BB471QB5RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	1,430In Stock	Cut Tape $0.35 $0.329 $0.29 $0.276 Reel $0.188 View $0.246 $0.236 $0.184 $0.181 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 (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805 PRF21BC471QB5RA Murata Electronics 1: $0.46 5,220In Stock	Mfr. Part No. PRF21BC471QB5RA Mouser Part No 81-PRF21BC471QB5RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	5,220In Stock	Cut Tape $0.46 $0.394 $0.34 $0.279 Reel $0.187 View $0.246 $0.203 $0.184 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 (Positive Temperature Coefficient) Thermistors PRF21BD471QB5RA Murata Electronics 1: $0.45 318In Stock 4,000Expected 08/01/2027	Mfr. Part No. PRF21BD471QB5RA Mouser Part No 81-PRF21BD471QB5RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	318In Stock 4,000Expected 08/01/2027	Cut Tape $0.45 $0.372 $0.324 $0.286 Reel $0.187 View $0.254 $0.204 $0.18 $0.175 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 (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603 PRG18BB101MS1RB Murata Electronics 1: $0.50 2,638In Stock	Mfr. Part No. PRG18BB101MS1RB Mouser Part No 81-PRG18BB101MS1RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	2,638In Stock	Cut Tape $0.50 $0.461 $0.441 $0.383 View Reel $0.244 $0.349 $0.318 $0.293 $0.281 $0.244 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 (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603 PRG18BB330MS1RB Murata Electronics 1: $0.50 1,345In Stock 4,000Expected 04/12/2026	Mfr. Part No. PRG18BB330MS1RB Mouser Part No 81-PRG18BB330MS1RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	1,345In Stock 4,000Expected 04/12/2026	Cut Tape $0.50 $0.461 $0.441 $0.383 View Reel $0.222 $0.349 $0.318 $0.293 $0.27 $0.222 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 (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805 PRG21AR220MS1RK Murata Electronics 1: $0.60 2,632In Stock 12,000Expected 11/12/2026	Mfr. Part No. PRG21AR220MS1RK Mouser Part No 81-PRG21AR220MS1RK	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	2,632In Stock 12,000Expected 11/12/2026	Cut Tape $0.60 $0.493 $0.471 $0.41 View Reel $0.244 $0.36 $0.349 $0.303 $0.281 $0.244 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 (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805 PRG21AR420MB1RA Murata Electronics 1: $0.56 2,656In Stock	Mfr. Part No. PRG21AR420MB1RA Mouser Part No 81-PRG21AR420MB1RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	2,656In Stock	Cut Tape $0.56 $0.506 $0.467 $0.425 View Reel $0.30 $0.379 $0.356 $0.322 $0.303 $0.30 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 (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805 PRG21AR420MS1RA Murata Electronics 1: $0.50 817In Stock	Mfr. Part No. PRG21AR420MS1RA Mouser Part No 81-PRG21AR420MS1RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	817In Stock	Cut Tape $0.50 $0.461 $0.441 $0.383 View Reel $0.243 $0.349 $0.318 $0.293 $0.27 $0.243 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 (Positive Temperature Coefficient) Thermistors 1 OHM 20% SMD 0805 PRG21BC1R0MM1RA Murata Electronics 1: $0.61 4,463In Stock	Mfr. Part No. PRG21BC1R0MM1RA Mouser Part No 81-PRG21BC1R0MM1RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 1 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	4,463In Stock	Cut Tape $0.61 $0.558 $0.524 $0.463 View Reel $0.31 $0.413 $0.384 $0.354 $0.325 $0.31 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 (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0805 PRG21BC2R2MM1RA Murata Electronics 1: $0.60 4,345In Stock 8,000Expected 11/11/2026	Mfr. Part No. PRG21BC2R2MM1RA Mouser Part No 81-PRG21BC2R2MM1RA	Murata Electronics	PTC (Positive Temperature Coefficient) 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 $0.60 $0.547 $0.513 $0.455 View Reel $0.304 $0.42 $0.377 $0.348 $0.321 $0.304 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 (Positive Temperature Coefficient) Thermistors PRG21BC3R3MM1RA Murata Electronics 1: $0.63 2,071In Stock 4,000Expected 12/01/2027	Mfr. Part No. PRG21BC3R3MM1RA Mouser Part No 81-PRG21BC3R3MM1RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	2,071In Stock 4,000Expected 12/01/2027	Cut Tape $0.63 $0.58 $0.561 $0.481 View Reel $0.324 $0.444 $0.399 $0.368 $0.34 $0.324 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 (Positive Temperature Coefficient) Thermistors PRG15BC680MM1RC Murata Electronics 1: $0.17 9,680In Stock NRND	Mfr. Part No. PRG15BC680MM1RC Mouser Part No 81-PRG15BC680MM1RC NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	9,680In Stock	Cut Tape $0.17 $0.156 $0.137 $0.129 Reel $0.089 View $0.113 $0.108 $0.097 $0.083 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 (Positive Temperature Coefficient) Thermistors PRG18BC100MM1RB Murata Electronics 1: $0.39 2,835In Stock NRND	Mfr. Part No. PRG18BC100MM1RB Mouser Part No 81-PRG18BC100MM1RB NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	2,835In Stock	Cut Tape $0.39 $0.352 $0.293 $0.243 Reel $0.156 View $0.224 $0.171 $0.14 $0.139 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 (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805 PRG18BC4R7MM1RB Murata Electronics 1: $0.39 6,264In Stock NRND	Mfr. Part No. PRG18BC4R7MM1RB Mouser Part No 81-PRG18BC4R7MM1RB NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	6,264In Stock	Cut Tape $0.39 $0.358 $0.298 $0.247 Reel $0.179 View $0.228 $0.195 $0.173 $0.168 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 (Positive Temperature Coefficient) Thermistors PRG21BC0R4MM1RK Murata Electronics 1: $0.83 370In Stock NRND	Mfr. Part No. PRG21BC0R4MM1RK Mouser Part No 81-PRG21BC0R4MM1RK NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	370In Stock	Cut Tape $0.83 $0.632 $0.544 $0.525 View Reel $0.299 $0.447 $0.389 $0.359 $0.299 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 (Positive Temperature Coefficient) Thermistors PRG21BC3R3MM1RK Murata Electronics 1: $0.84 1,553In Stock NRND	Mfr. Part No. PRG21BC3R3MM1RK Mouser Part No 81-PRG21BC3R3MM1RK NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	1,553In Stock	Cut Tape $0.84 $0.644 $0.554 $0.535 View Reel $0.304 $0.456 $0.396 $0.365 $0.304 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 (Positive Temperature Coefficient) Thermistors PRG21BC4R7MM1RK Murata Electronics 1: $0.54 3,746In Stock NRND	Mfr. Part No. PRG21BC4R7MM1RK Mouser Part No 81-PRG21BC4R7MM1RK NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	3,746In Stock	Cut Tape $0.54 $0.504 $0.47 $0.447 View Reel $0.329 $0.426 $0.384 $0.365 $0.329 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PRG21-MM1RK								Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 PRF18BB471QB5RB Murata Electronics 1: $0.36 8In Stock 4,000Expected 25/11/2026	Mfr. Part No. PRF18BB471QB5RB Mouser Part No 81-PRF18BB471QB5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	8In Stock 4,000Expected 25/11/2026	Cut Tape $0.36 $0.335 $0.296 $0.273 Reel $0.189 View $0.243 $0.218 $0.185 $0.184 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 (Positive Temperature Coefficient) Thermistors PRF18BD471RB5RB Murata Electronics 1: $0.41 7,599Expected 04/12/2026	Mfr. Part No. PRF18BD471RB5RB Mouser Part No 81-PRF18BD471RB5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	7,599Expected 04/12/2026	Cut Tape $0.41 $0.381 $0.337 $0.321 Reel $0.237 View $0.288 $0.25 $0.228 $0.223 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 (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0402 PRG15BC330MM1RC Murata Electronics 1: $0.20 49,999On Order NRND	Mfr. Part No. PRG15BC330MM1RC Mouser Part No 81-PRG15BC330MM1RC NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0402 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	49,999On Order On Order Ship Dates Mfr. No: PRG15BC330MM1RC Stock: 0 On Order: 19,999 Expected 30/11/2026 30,000 Expected 03/12/2026 Factory Lead Time: 12 Weeks	Cut Tape $0.20 $0.182 $0.151 $0.126 Reel $0.073 View $0.114 $0.107 $0.089 $0.07 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	PRG15-MM1RC	33 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PRG15BC470MM1RC Murata Electronics 1: $0.19 20,000On Order NRND	Mfr. Part No. PRG15BC470MM1RC Mouser Part No 81-PRG15BC470MM1RC NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	20,000On Order On Order Ship Dates Mfr. No: PRG15BC470MM1RC Stock: 0 On Order: 10,000 Expected 28/12/2026 10,000 Expected 31/12/2026 Factory Lead Time: 12 Weeks	Cut Tape $0.19 $0.171 $0.142 $0.118 Reel $0.072 View $0.109 $0.101 $0.083 $0.069 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	PRG15-MM1RC	47 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel