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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 (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 PTC 820ohms 1% Linear Vishay / Dale TFPT0805L8200FV TFPT0805L8200FV Vishay / Dale 1: $1.15 2,227In Stock	Mfr. Part No. TFPT0805L8200FV Mouser Part No 71-TFPT0805L8200FV	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors PTC 820ohms 1% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	2,227In Stock	Cut Tape $1.15 $1.09 $1.03 $0.977 View Reel $0.826 $0.935 $0.85 $0.826 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	TFPT	820 Ohms	1 %	PCB Mount	SMD/SMT	- 55 C	+ 70 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PTC 1Kohms 1% Linear Vishay / Dale TFPT1206L1001FM TFPT1206L1001FM Vishay / Dale 1: $0.84 16,128In Stock	Mfr. Part No. TFPT1206L1001FM Mouser Part No 71-TFPT1206L1001FM	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors PTC 1Kohms 1% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	16,128In Stock	Cut Tape $0.84 $0.794 $0.744 $0.709 View Reel $0.554 $0.678 $0.607 $0.572 $0.554 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TFPT	1 kOhms	1 %	PCB Mount	SMD/SMT	- 55 C	+ 150 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PTC 10Kohms 1% Linear Vishay / Dale TFPT1206L1002FV TFPT1206L1002FV Vishay / Dale 1: $1.24 6,573In Stock	Mfr. Part No. TFPT1206L1002FV Mouser Part No 71-TFPT1206L1002FV	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors PTC 10Kohms 1% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	6,573In Stock	Cut Tape $1.24 $1.18 $1.11 $1.06 Reel $0.868 View $1.01 $0.901 $0.837 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	TFPT	10 kOhms	1 %	PCB Mount	SMD/SMT	- 55 C	+ 70 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PTC 4.7Kohms 1% Linear Vishay / Dale TFPT1206L4701FM TFPT1206L4701FM Vishay / Dale 1: $0.84 3,623In Stock	Mfr. Part No. TFPT1206L4701FM Mouser Part No 71-TFPT1206L4701FM	Vishay / Dale	PTC (Positive Temperature Coefficient) Thermistors PTC 4.7Kohms 1% Linear Learn More about Vishay / Dale vishay dale tfpt thermistors	Datasheet	3,623In Stock	Cut Tape $0.84 $0.798 $0.747 $0.712 View Reel $0.521 $0.681 $0.608 $0.573 $0.521 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	TFPT	4.7 kOhms	1 %	PCB Mount	SMD/SMT	- 55 C	+ 70 C	AEC-Q100	Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PRF15BB102RB6RC Murata Electronics 1: $0.15 46,274In 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	46,274In Stock	Cut Tape $0.15 $0.135 $0.118 $0.108 Reel $0.075 View $0.092 $0.088 $0.079 $0.072 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 PRF18BE471QS5RB Murata Electronics 1: $0.24 21,118In Stock	Mfr. Part No. PRF18BE471QS5RB Mouser Part No 81-PRF18BE471QS5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata auto prf ptc thermistors	Datasheet	21,118In Stock	Cut Tape $0.24 $0.219 $0.193 $0.183 Reel $0.132 View $0.163 $0.14 $0.127 MouseReel Available	Min.: 1 Mult.: 1 Max.: 12,000 : 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 470 OHM 50% SMD 0603 PRF18BG471QB5RB Murata Electronics 1: $0.17 38,542In Stock 32,000Expected 31/12/2026	Mfr. Part No. PRF18BG471QB5RB Mouser Part No 81-PRF18BG471QB5RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603 Learn More about Murata Electronics murata prf ptc thermistors	Datasheet	38,542In Stock 32,000Expected 31/12/2026	Cut Tape $0.17 $0.154 $0.135 $0.128 Reel $0.093 View $0.112 $0.097 $0.088 $0.086 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRF	470 Ohms	50 %	PCB Mount	SMD/SMT	- 20 C	+ 90 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603 PRG18BB101MB1RB Murata Electronics 1: $0.26 33,213In Stock 32,000Expected 03/12/2026	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	33,213In Stock 32,000Expected 03/12/2026	Cut Tape $0.26 $0.23 $0.192 $0.162 Reel $0.108 View $0.152 $0.125 $0.094 $0.09 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 33 OHM 20% SMD 0603 PRG18BB330MB1RB Murata Electronics 1: $0.25 142,091In 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	142,091In Stock	Cut Tape $0.25 $0.23 $0.191 $0.159 Reel $0.102 View $0.151 $0.112 $0.092 $0.089 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 0603 47ohm 20% SMD PRG18BB470MB1RB Murata Electronics 1: $0.36 52,311In Stock 44,000Expected 26/11/2026	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	52,311In Stock 44,000Expected 26/11/2026	Cut Tape $0.36 $0.322 $0.27 $0.223 Reel $0.161 View $0.213 $0.196 $0.141 $0.14 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 470 OHM 20% SMD 0603 PRG18BB471MB1RB Murata Electronics 1: $0.25 37,251In Stock 24,000Expected 20/11/2026	Mfr. Part No. PRG18BB471MB1RB Mouser Part No 81-PRG18BB471MB1RB	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 470 OHM 20% SMD 0603 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	37,251In Stock 24,000Expected 20/11/2026	Cut Tape $0.25 $0.23 $0.191 $0.159 Reel $0.11 View $0.152 $0.131 $0.097 $0.094 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG18-MB1RB	470 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 75 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PRG18BC220MM1RB Murata Electronics 1: $0.34 8,929In Stock 8,000Expected 28/01/2027	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	8,929In Stock 8,000Expected 28/01/2027	Cut Tape $0.34 $0.315 $0.279 $0.265 View Reel $0.197 $0.235 $0.205 $0.197 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 22 OHM 20% SMD 0805 PRG21BB220MB1RK Murata Electronics 1: $0.60 6,000In Stock 15,000On Order	Mfr. Part No. PRG21BB220MB1RK Mouser Part No 81-PRG21BB220MB1RK	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	6,000In Stock 15,000On Order On Order Ship Dates Mfr. No: PRG21BB220MB1RK Stock: 6,000 Can Dispatch Immediately On Order: 6,000 Expected 08/12/2026 9,000 Expected 11/12/2026 Factory Lead Time: 12 Weeks	Cut Tape $0.60 $0.548 $0.495 $0.455 View Reel $0.274 $0.406 $0.377 $0.344 $0.319 $0.274 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	PRG21-MB1RK	22 Ohms	20 %	PCB Mount	SMD/SMT	- 10 C	+ 60 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0805 PRG21BC2R2MM1RA Murata Electronics 1: $0.60 12,295In Stock	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	12,295In Stock	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 4.7 OHM 20% SMD 0805 PRG21BC4R7MM1RA Murata Electronics 1: $0.50 7,809In Stock	Mfr. Part No. PRG21BC4R7MM1RA Mouser Part No 81-PRG21BC4R7MM1RA	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	7,809In Stock	Cut Tape $0.50 $0.47 $0.438 $0.417 View Reel $0.303 $0.397 $0.358 $0.337 $0.303 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG21-MM1RA	4.7 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 1210 24Vdc 180mA PTC Overcurrent B59606A0110A062 TDK 1: $1.04 11,332In Stock	Mfr. Part No. B59606A0110A062 Mouser Part No 871-B59606A0110A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 1210 24Vdc 180mA PTC Overcurrent Learn More about TDK epcos kits	Datasheet	11,332In Stock	Cut Tape $1.04 $0.888 $0.77 $0.701 View Reel $0.464 $0.665 $0.632 $0.556 $0.517 $0.464 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	Surface Mount Limit Temperature Sensor	27 Ohms	25 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 1.5 OHM 25% SMD 1210 B59907A120A62 TDK 1: $1.04 3,376In Stock	Mfr. Part No. B59907A120A62 Mouser Part No 871-B59907A120A62	TDK	PTC (Positive Temperature Coefficient) Thermistors 1.5 OHM 25% SMD 1210 Learn More about TDK epcos ptc thermistors	Datasheet	3,376In Stock	Cut Tape $1.04 $1.01 $0.927 $0.806 View Reel $0.609 $0.744 $0.74 $0.623 $0.609 $0.609 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	B59907	1.5 kOhms	35 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 170C, DIN 40081/40082 standard YAM3 170 05 520 180 180 520 Microtherm Sentronic 1: $6.29 500In Stock	Mfr. Part No. YAM3 170 05 520 180 180 520 Mouser Part No 256-YAM317005520520	Microtherm Sentronic	PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 170C, DIN 40081/40082 standard Learn More about Microtherm Sentronic yam ptc sensors	Datasheet	500In Stock	$6.29 $5.59 $5.03 $4.76 View $4.04 $3.90 $3.77	Min.: 1 Mult.: 1	YAM3 Series	300 Ohms	5 %		Wire Lead		+ 170 C		Bulk
PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 180C, DIN 40081/40082 standard YAM3 180 05 520 180 180 520 Microtherm Sentronic 1: $6.29 462In Stock	Mfr. Part No. YAM3 180 05 520 180 180 520 Mouser Part No 256-YAM318005520520	Microtherm Sentronic	PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 180C, DIN 40081/40082 standard Learn More about Microtherm Sentronic yam ptc sensors	Datasheet	462In Stock	$6.29 $5.59 $5.03 $4.76 View $4.04 $3.90 $3.77	Min.: 1 Mult.: 1	YAM3 Series	300 Ohms	5 %		Wire Lead		+ 180 C		Bulk
PTC (Positive Temperature Coefficient) Thermistors PTC ICL LDD 12D5 250R 680 135 T E3 PTCEL13R251NTE Vishay 1: $2.57 936In Stock	Mfr. Part No. PTCEL13R251NTE Mouser Part No 594-PTCEL13R251NTE	Vishay	PTC (Positive Temperature Coefficient) Thermistors PTC ICL LDD 12D5 250R 680 135 T E3 Learn More about Vishay ptcel ptc thermistors	Datasheet	936In Stock	Cut Tape $2.57 $2.32 $2.08 $1.83 Reel $1.46 View $1.72 $1.63 $1.31 $1.23	Min.: 1 Mult.: 1 : 500	PTCEL Series	250 Ohms	30 %	Through Hole	Radial	- 40 C	+ 105 C		Reel, Cut Tape
PTC (Positive Temperature Coefficient) Thermistors 500VDC 500ohms 350VAC 30% B59404J0170A062 TDK 1: $6.11 131In Stock 900Expected 04/01/2027	Mfr. Part No. B59404J0170A062 Mouser Part No 871-B59404J0170A062	TDK	PTC (Positive Temperature Coefficient) Thermistors 500VDC 500ohms 350VAC 30% Learn More about TDK epcos j404 current limiter	Datasheet	131In Stock 900Expected 04/01/2027	Cut Tape $6.11 $5.50 $5.27 $5.00 View Reel $3.95 $4.82 $4.65 $4.18 $3.95 $3.95 MouseReel Available	Min.: 1 Mult.: 1 : 900	J404	500 Ohms	30 %	PCB Mount	SMD/SMT	- 40 C	+ 125 C	AEC-Q200	Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PRG15BC180MM1RC Murata Electronics 1: $0.19 8,300In 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	8,300In Stock	Cut Tape $0.19 $0.168 $0.14 $0.116 Reel $0.067 View $0.107 $0.099 $0.082 $0.063 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: $0.17 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 $0.17 $0.156 $0.137 $0.129 Reel $0.094 View $0.113 $0.108 $0.097 $0.083 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
PTC (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0603 PRG18BC2R2MM1RB Murata Electronics 1: $0.41 Non-Stocked Lead-Time 12 Weeks NRND	Mfr. Part No. PRG18BC2R2MM1RB Mouser Part No 81-PRG18BC2R2MM1RB NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0603 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	Non-Stocked Lead-Time 12 Weeks	Cut Tape $0.41 $0.373 $0.292 $0.261 Reel $0.168 View $0.237 $0.184 $0.151 $0.15 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG18-MM1RB	2.2 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 3.3 OHM 20% SMD 0603 PRG18BC3R3MM1RB Murata Electronics 1: $0.39 3,344In Stock NRND	Mfr. Part No. PRG18BC3R3MM1RB Mouser Part No 81-PRG18BC3R3MM1RB NRND	Murata Electronics	PTC (Positive Temperature Coefficient) Thermistors 3.3 OHM 20% SMD 0603 Learn More about Murata Electronics murata prg ptc thermistors	Datasheet	3,344In Stock	Cut Tape $0.39 $0.357 $0.297 $0.246 Reel $0.195 View $0.227 $0.203 $0.177 $0.174 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	PRG18-MM1RB	3.3 Ohms	20 %	PCB Mount	SMD/SMT	- 20 C	+ 85 C		Reel, Cut Tape, MouseReel