.hide-partial { max-height: none; } .show-more { display: none; }

POSISTOR Thermistors - PTC

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 103

Applied Filters:

Tradename = POSISTOR

Series

Resistance

Tolerance

Mounting Style

Termination Style

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (CHF) 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 PRG21BC1R0MM1RK Murata Electronics 1: CHF 0.418 25’041In Stock	Mfr. Part No. PRG21BC1R0MM1RK Mouser Part No 81-PRG21BC1R0MM1RK	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	25’041In Stock	Cut Tape CHF 0.418 CHF 0.393 CHF 0.366 CHF 0.348 View Reel CHF 0.224 CHF 0.332 CHF 0.295 CHF 0.267 CHF 0.224 MouseReel Available	Min.: 1 Mult.: 1 : 3’000	PRG21-MM1RK	1 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 0.2 OHM 20% SMD 0805 PRG21BC0R2MM1RA Murata Electronics 1: CHF 0.604 8’126In Stock	Mfr. Part No. PRG21BC0R2MM1RA Mouser Part No 81-PRG21BC0R2MM1RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 0.2 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	8’126In Stock	Cut Tape CHF 0.604 CHF 0.552 CHF 0.459 CHF 0.44 View Reel CHF 0.252 CHF 0.423 CHF 0.381 CHF 0.36 CHF 0.285 CHF 0.252 MouseReel Available	Min.: 1 Mult.: 1 : 4’000	PRG21-MM1RA	200 mOhms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 15 OHM 20% SMD 0805 PRG21BB150MB1RK Murata Electronics 1: CHF 0.459 10’074In Stock	Mfr. Part No. PRG21BB150MB1RK Mouser Part No 81-PRG21BB150MB1RK	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 15 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	10’074In Stock	Cut Tape CHF 0.459 CHF 0.418 CHF 0.348 CHF 0.336 View Reel CHF 0.209 CHF 0.318 CHF 0.288 CHF 0.273 CHF 0.256 CHF 0.209 MouseReel Available	Min.: 1 Mult.: 1 : 3’000	PRG21-MB1RK	15 Ohms	20 %	PCB Mount	SMD/SMT	- 10 C	+ 60 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 PRF18AS471QS5RB Murata Electronics 1: CHF 0.266 4’000In Stock	Mfr. Part No. PRF18AS471QS5RB Mouser Part No 81-PRF18AS471QS5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	4’000In Stock	Cut Tape CHF 0.266 CHF 0.225 CHF 0.198 CHF 0.158 Reel CHF 0.096 View CHF 0.131 CHF 0.124 CHF 0.095 MouseReel Available	Min.: 1 Mult.: 1 : 4’000	PRF18_S	470 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 150 C	AEC-Q200	Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PRG21BC4R7MS5RA Murata Electronics 1: CHF 0.749 3’221In Stock NRND	Mfr. Part No. PRG21BC4R7MS5RA Mouser Part No 81-PRG21BC4R7MS5RA NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	3’221In Stock	Cut Tape CHF 0.749 CHF 0.705 CHF 0.66 CHF 0.63 View Reel CHF 0.457 CHF 0.602 CHF 0.547 CHF 0.515 CHF 0.457	Min.: 1 Mult.: 1 : 4’000	PRG21-MS5RA	4.7 Ohms	20 %	PCB Mount	SMD/SMT	- 40 C	+ 85 C		Reel, Cut Tape
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805 PRF21BC471QB5RA Murata Electronics 1: CHF 0.371 6’120In 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	6’120In Stock	Cut Tape CHF 0.371 CHF 0.317 CHF 0.273 CHF 0.225 Reel CHF 0.15 View CHF 0.198 CHF 0.164 CHF 0.149 CHF 0.147 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 470 OHM 50% SMD 0805 PRF21BE471QB5RA Murata Electronics 1: CHF 0.306 6’670In Stock	Mfr. Part No. PRF21BE471QB5RA Mouser Part No 81-PRF21BE471QB5RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	6’670In Stock	Cut Tape CHF 0.306 CHF 0.286 CHF 0.254 CHF 0.225 Reel CHF 0.154 View CHF 0.198 CHF 0.167 CHF 0.152 CHF 0.149 MouseReel Available	Min.: 1 Mult.: 1 : 4’000	PRF	470 Ohms	50 %	PCB Mount	SMD/SMT	- 20 C	+ 100 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PRF15BA102RB6RC Murata Electronics 1: CHF 0.145 9’889In Stock	Mfr. Part No. PRF15BA102RB6RC Mouser Part No 81-PRF15BA102RB6RC	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	9’889In Stock	Cut Tape CHF 0.145 CHF 0.12 CHF 0.106 CHF 0.084 View Reel CHF 0.052 CHF 0.074 CHF 0.071 CHF 0.064 CHF 0.052 MouseReel Available	Min.: 1 Mult.: 1 : 10’000	PRF	1 kOhms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 150 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PRF18BE471RB5RB Murata Electronics 1: CHF 0.33 3’860In Stock	Mfr. Part No. PRF18BE471RB5RB Mouser Part No 81-PRF18BE471RB5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	3’860In Stock	Cut Tape CHF 0.33 CHF 0.307 CHF 0.271 CHF 0.258 Reel CHF 0.187 View CHF 0.232 CHF 0.194 CHF 0.182 CHF 0.178 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 PRG21AR150MS5RA Murata Electronics 1: CHF 0.797 3’025In Stock NRND	Mfr. Part No. PRG21AR150MS5RA Mouser Part No 81-PRG21AR150MS5RA NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	3’025In Stock	Cut Tape CHF 0.797 CHF 0.606 CHF 0.521 CHF 0.504 View Reel CHF 0.279 CHF 0.429 CHF 0.373 CHF 0.329 CHF 0.279	Min.: 1 Mult.: 1 : 4’000	PRG21-MS5RA	15 Ohms	20 %	PCB Mount	SMD/SMT	- 40 C	+ 105 C		Reel, Cut Tape
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 PRF18BG471RB5RB Murata Electronics 1: CHF 0.33 4’032In Stock	Mfr. Part No. PRF18BG471RB5RB Mouser Part No 81-PRF18BG471RB5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	4’032In Stock	CHF 0.33 CHF 0.302 CHF 0.271 CHF 0.236 View CHF 0.211 CHF 0.194 CHF 0.193 CHF 0.18 CHF 0.177	Min.: 1 Mult.: 1	PRF	470 Ohms	50 %	PCB Mount	SMD/SMT	- 20 C	+ 90 C		Bulk
PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 115+/-5degC PRF03BB102QB7RL Murata Electronics 1: CHF 0.089 13’539In Stock New Product	Mfr. Part No. PRF03BB102QB7RL Mouser Part No 81-PRF03BB102QB7RL New Product	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 115+/-5degC Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	13’539In Stock	Cut Tape CHF 0.089 CHF 0.08 CHF 0.069 CHF 0.066 View Reel CHF 0.043 CHF 0.058 CHF 0.054 CHF 0.049 CHF 0.045 CHF 0.043	Min.: 1 Mult.: 1 : 15’000	PRF	1 kOhms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 140 C		Reel, Cut Tape
PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 105+/-5degC PRF03BC102QB7RL Murata Electronics 1: CHF 0.089 14’465In Stock New Product	Mfr. Part No. PRF03BC102QB7RL Mouser Part No 81-PRF03BC102QB7RL New Product	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 105+/-5degC Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	14’465In Stock	Cut Tape CHF 0.089 CHF 0.08 CHF 0.069 CHF 0.066 View Reel CHF 0.043 CHF 0.058 CHF 0.054 CHF 0.049 CHF 0.045 CHF 0.043	Min.: 1 Mult.: 1 : 15’000	PRF	1 kOhms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 130 C		Reel, Cut Tape
PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603 PRG18BB330MB1RB Murata Electronics 1: CHF 0.201 145’329In Stock	Mfr. Part No. PRG18BB330MB1RB Mouser Part No 81-PRG18BB330MB1RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	145’329In Stock	Cut Tape CHF 0.201 CHF 0.185 CHF 0.154 CHF 0.128 Reel CHF 0.083 View CHF 0.12 CHF 0.09 CHF 0.074 CHF 0.073 MouseReel Available	Min.: 1 Mult.: 1 : 4’000	PRG18-MB1RB	33 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 75 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 115+/-5degC AEC-Q200 PRF03BB102QS7RL Murata Electronics 1: CHF 0.105 13’761In Stock New Product	Mfr. Part No. PRF03BB102QS7RL Mouser Part No 81-PRF03BB102QS7RL New Product	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 115+/-5degC AEC-Q200 Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	13’761In Stock	Cut Tape CHF 0.105 CHF 0.094 CHF 0.082 CHF 0.077 View Reel CHF 0.051 CHF 0.067 CHF 0.065 CHF 0.058 CHF 0.054 CHF 0.051	Min.: 1 Mult.: 1 : 15’000	PRF03_S	1 kOhms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 150 C	AEC-Q200	Reel, Cut Tape
PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 105+/-5degC AEC-Q200 PRF03BC102QS7RL Murata Electronics 1: CHF 0.105 14’890In Stock New Product	Mfr. Part No. PRF03BC102QS7RL Mouser Part No 81-PRF03BC102QS7RL New Product	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 105+/-5degC AEC-Q200 Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	14’890In Stock	Cut Tape CHF 0.105 CHF 0.094 CHF 0.082 CHF 0.077 View Reel CHF 0.051 CHF 0.067 CHF 0.065 CHF 0.058 CHF 0.054 CHF 0.051	Min.: 1 Mult.: 1 : 15’000	PRF03_S	1 kOhms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 150 C	AEC-Q200	Reel, Cut Tape
PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805 PRG18BC4R7MM1RB Murata Electronics 1: CHF 0.314 10’689In 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	10’689In Stock	Cut Tape CHF 0.314 CHF 0.288 CHF 0.24 CHF 0.198 Reel CHF 0.144 View CHF 0.183 CHF 0.157 CHF 0.139 CHF 0.135 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 PRF15BB102RB6RC Murata Electronics 1: CHF 0.121 56’825In Stock	Mfr. Part No. PRF15BB102RB6RC Mouser Part No 81-PRF15BB102RB6RC	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	56’825In Stock	Cut Tape CHF 0.121 CHF 0.109 CHF 0.095 CHF 0.087 Reel CHF 0.061 View CHF 0.074 CHF 0.071 CHF 0.064 CHF 0.058 MouseReel Available	Min.: 1 Mult.: 1 : 10’000	PRF	1 kOhms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 140 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 PRF18BA471QB5RB Murata Electronics 1: CHF 0.161 64’034In Stock	Mfr. Part No. PRF18BA471QB5RB Mouser Part No 81-PRF18BA471QB5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	64’034In Stock	Cut Tape CHF 0.161 CHF 0.146 CHF 0.137 CHF 0.127 View Reel CHF 0.091 CHF 0.111 CHF 0.10 CHF 0.091 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4’000 : 4’000	PRF	470 Ohms	50 %	PCB Mount	SMD/SMT	- 20 C	+ 150 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 PRF18BC471QS5RB Murata Electronics 1: CHF 0.371 8’365In Stock	Mfr. Part No. PRF18BC471QS5RB Mouser Part No 81-PRF18BC471QS5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	8’365In Stock	Cut Tape CHF 0.371 CHF 0.345 CHF 0.322 CHF 0.306 View Reel CHF 0.224 CHF 0.291 CHF 0.262 CHF 0.246 CHF 0.224 MouseReel Available	Min.: 1 Mult.: 1 : 4’000	PRF18_S	470 Ohms	50 %	PCB Mount	SMD/SMT	- 40 C	+ 150 C	AEC-Q200	Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603 PRG18BB101MB1RB Murata Electronics 1: CHF 0.21 41’729In Stock 32’000Expected 12/3/2026	Mfr. Part No. PRG18BB101MB1RB Mouser Part No 81-PRG18BB101MB1RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	41’729In Stock 32’000Expected 12/3/2026	Cut Tape CHF 0.21 CHF 0.188 CHF 0.156 CHF 0.13 Reel CHF 0.085 View CHF 0.123 CHF 0.092 CHF 0.076 CHF 0.075 MouseReel Available	Min.: 1 Mult.: 1 : 4’000	PRG18-MB1RB	100 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 75 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 0603 47ohm 20% SMD PRG18BB470MB1RB Murata Electronics 1: CHF 0.314 54’756In Stock 44’000Expected 11/26/2026	Mfr. Part No. PRG18BB470MB1RB Mouser Part No 81-PRG18BB470MB1RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 0603 47ohm 20% SMD Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	54’756In Stock 44’000Expected 11/26/2026	Cut Tape CHF 0.314 CHF 0.273 CHF 0.231 CHF 0.192 Reel CHF 0.125 View CHF 0.176 CHF 0.138 CHF 0.117 MouseReel Available	Min.: 1 Mult.: 1 : 4’000	PRG18-MB1RB	47 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 75 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PRG18BC220MM1RB Murata Electronics 1: CHF 0.273 11’419In Stock	Mfr. Part No. PRG18BC220MM1RB Mouser Part No 81-PRG18BC220MM1RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	11’419In Stock	Cut Tape CHF 0.273 CHF 0.254 CHF 0.225 CHF 0.213 View Reel CHF 0.164 CHF 0.189 CHF 0.182 CHF 0.164 MouseReel Available	Min.: 1 Mult.: 1 Max.: 4’000 : 4’000	PRG18-MM1RB	22 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PRG15BC180MM1RC Murata Electronics 1: CHF 0.153 8’550In Stock NRND	Mfr. Part No. PRG15BC180MM1RC Mouser Part No 81-PRG15BC180MM1RC NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	8’550In Stock	Cut Tape CHF 0.153 CHF 0.135 CHF 0.112 CHF 0.094 Reel CHF 0.054 View CHF 0.086 CHF 0.08 CHF 0.066 CHF 0.051 MouseReel Available	Min.: 1 Mult.: 1 : 10’000	PRG15-MM1RC	18 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PRG15BC3R3MM1RC Murata Electronics 1: CHF 0.137 11’013In Stock NRND	Mfr. Part No. PRG15BC3R3MM1RC Mouser Part No 81-PRG15BC3R3MM1RC NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	11’013In Stock	Cut Tape CHF 0.137 CHF 0.125 CHF 0.11 CHF 0.104 Reel CHF 0.076 View CHF 0.09 CHF 0.086 CHF 0.078 CHF 0.066 MouseReel Available	Min.: 1 Mult.: 1 : 10’000	PRG15-MM1RC	3.3 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel