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Thermistors - PTC

PTC Thermistors are available at Mouser Electronics 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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Part #

PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603

PRF18BA471QB5RB
Murata Electronics
1: Rp3.669
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

Datasheet

64.034In Stock

Cut Tape

Rp3.669

Rp3.321

Rp3.119

Rp2.899

Reel

Rp2.073

View

MouseReel Available

Min.: 1
Mult.: 1

: 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: Rp8.439
10.105In Stock

Mfr. Part No.
PRF18BC471QS5RB

Mouser Part No
81-PRF18BC471QS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603

Learn More

Datasheet

10.105In Stock

Cut Tape

Rp8.439

Rp7.870

Rp7.338

Rp6.971

View

Reel

Rp5.100

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: Rp4.770
48.029In Stock

Mfr. Part No.
PRG18BB101MB1RB

Mouser Part No
81-PRG18BB101MB1RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603

Learn More

Datasheet

48.029In Stock

Cut Tape

Rp4.770

Rp4.293

Rp3.559

Rp2.972

Reel

Rp1.908

View

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

PRG18BB330MS1RB
Murata Electronics
1: Rp9.173
9.425In Stock

Mfr. Part No.
PRG18BB330MS1RB

Mouser Part No
81-PRG18BB330MS1RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603

Learn More

Datasheet

9.425In Stock

Cut Tape

Rp9.173

Rp8.458

Rp8.017

Rp7.027

View

Reel

Rp4.697

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 0603 47ohm 20% SMD

PRG18BB470MB1RB
Murata Electronics
1: Rp7.155
80.233In Stock

Mfr. Part No.
PRG18BB470MB1RB

Mouser Part No
81-PRG18BB470MB1RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 0603 47ohm 20% SMD

Learn More

Datasheet

80.233In Stock

Cut Tape

Rp7.155

Rp6.238

Rp5.265

Rp4.366

Reel

Rp2.862

View

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: Rp6.238
13.429In Stock

Mfr. Part No.
PRG18BC220MM1RB

Mouser Part No
81-PRG18BC220MM1RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

13.429In Stock

Cut Tape

Rp6.238

Rp5.779

Rp5.119

Rp4.862

Reel

Rp3.724

View

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

PRG18-MM1RB

22 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805

PRG21AR420MB1RA
Murata Electronics
1: Rp10.274
6.096In Stock

Mfr. Part No.
PRG21AR420MB1RA

Mouser Part No
81-PRG21AR420MB1RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805

Learn More

Datasheet

6.096In Stock

Cut Tape

Rp10.274

Rp9.283

Rp8.568

Rp7.797

View

Reel

Rp5.504

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 0.2 OHM 20% SMD 0805

PRG21BC0R2MM1RA
Murata Electronics
1: Rp13.760
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

Datasheet

8.126In Stock

Cut Tape

Rp13.760

Rp12.585

Rp10.457

Rp10.017

View

Reel

Rp6.091

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 00C 12Vdc 20ohms Disc PTC Heating

B59060A0000A010
TDK
1: Rp27.336
3.445In Stock

Mfr. Part No.
B59060A0000A010

Mouser Part No
871-B59060A0000A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 00C 12Vdc 20ohms Disc PTC Heating

Learn More

Datasheet

3.445In Stock

Rp27.336

Rp26.051

Rp24.584

Rp23.483

View

Min.: 1
Mult.: 1

Limit Temperature Sensor Housing style

Tray

PTC (Positive Temperature Coefficient) Thermistors 40C 12Vdc 4ohms Disc PTC Heating

B59060A0040A010
TDK
1: Rp27.336
3.070In Stock

Mfr. Part No.
B59060A0040A010

Mouser Part No
871-B59060A0040A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 40C 12Vdc 4ohms Disc PTC Heating

Learn More

Datasheet

3.070In Stock

Rp27.336

Rp26.051

Rp24.767

Rp22.015

View

Min.: 1
Mult.: 1

Limit Temperature Sensor Housing style

9 Ohms

30 %

Clamp Mount

Pressure Contacts

- 40 C

+ 100 C

Tray

PTC (Positive Temperature Coefficient) Thermistors 1210 80VDC 50mA PTC Overcurrent

B59707A0120A062
TDK
1: Rp15.961
35.293In Stock
16.995Expected 27/08/2026

Mfr. Part No.
B59707A0120A062

Mouser Part No
871-B59707A0120A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 1210 80VDC 50mA PTC Overcurrent

Learn More

Datasheet

35.293In Stock

16.995Expected 27/08/2026

Cut Tape

Rp15.961

Rp14.732

Rp13.374

Rp11.852

View

Reel

Rp7.944

MouseReel Available

Min.: 1
Mult.: 1

: 2.000

Surface Mount Limit Temperature Sensor

PCB Mount

SMD/SMT

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor B 772A 120A 70 8x5

B59772B0120A070
TDK
1: Rp26.051
2.004In Stock
End of Life

Mfr. Part No.
B59772B0120A070

Mouser Part No
871-B59772B120A70

End of Life

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor B 772A 120A 70 8x5

Learn More

Datasheet

2.004In Stock

Rp26.051

Rp24.951

Rp23.483

Rp22.566

Reel

Rp18.713

View

Min.: 1
Mult.: 1

: 1.000

B59772

150 Ohms

25 %

Through Hole

0 C

+ 60 C

Ammo Pack

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: Rp115.396
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

Datasheet

500In Stock

Rp115.396

Rp102.554

Rp92.280

Rp87.327

View

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: Rp115.396
467In 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

Datasheet

467In Stock

Rp115.396

Rp102.554

Rp92.280

Rp87.327

View

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: Rp44.214
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

Datasheet

936In Stock

Cut Tape

Rp44.214

Rp40.912

Rp39.260

Rp33.573

Reel

Rp26.051

View

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: Rp112.094
204In Stock
900Expected 07/12/2026

Mfr. Part No.
B59404J0170A062

Mouser Part No
871-B59404J0170A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 500VDC 500ohms 350VAC 30%

Learn More

Datasheet

204In Stock

900Expected 07/12/2026

Cut Tape

Rp112.094

Rp100.903

Rp96.683

Rp91.730

View

Reel

Rp72.467

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: Rp3.486
8.550In Stock
NRND

Mfr. Part No.
PRG15BC180MM1RC

Mouser Part No
81-PRG15BC180MM1RC

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

8.550In Stock

Cut Tape

Rp3.486

Rp3.082

Rp2.568

Rp2.128

Reel

Rp1.229

View

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 2.2 OHM 20% SMD 0603

PRG18BC2R2MM1RB
Murata Electronics
1: Rp6.238
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

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

Rp6.238

Rp5.742

Rp5.082

Rp4.825

Reel

Rp3.504

View

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

PRG21AR4R7MS5RA
Murata Electronics
1: Rp16.144
2.637In Stock
NRND

Mfr. Part No.
PRG21AR4R7MS5RA

Mouser Part No
81-PRG21AR4R7MS5RA

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

2.637In Stock

Rp16.144

Rp13.668

Rp12.567

Rp11.356

View

Reel

Rp5.926

Min.: 1
Mult.: 1

: 4.000

PRG21-MS5RA

4.7 Ohms

20 %

PCB Mount

SMD/SMT

- 40 C

+ 105 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors

PRG21BC0R4MM1RK
Murata Electronics
1: Rp15.227
2.370In Stock
NRND

Mfr. Part No.
PRG21BC0R4MM1RK

Mouser Part No
81-PRG21BC0R4MM1RK

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

2.370In Stock

Cut Tape

Rp15.227

Rp11.595

Rp9.980

Rp9.632

View

Reel

Rp5.485

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

PRG21BC2R2MM1RK
Murata Electronics
1: Rp9.907
1.519In Stock
NRND

Mfr. Part No.
PRG21BC2R2MM1RK

Mouser Part No
81-PRG21BC2R2MM1RK

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

1.519In Stock

Cut Tape

Rp9.907

Rp9.246

Rp8.623

Rp8.201

View

Reel

Rp5.926

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

PRG21-MM1RK

2.2 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors

PRG21BC6R8MM1RK
Murata Electronics
1: Rp15.411
1.045In Stock
NRND

Mfr. Part No.
PRG21BC6R8MM1RK

Mouser Part No
81-PRG21BC6R8MM1RK

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

1.045In Stock

Cut Tape

Rp15.411

Rp11.815

Rp10.164

Rp9.815

View

Reel

Rp5.577

MouseReel Available

Min.: 1
Mult.: 1

: 3.000

PRG21-MM1RK

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 6.8 OHM 20% SMD 0805

PRG21BC6R8MM1RA
Murata Electronics
1: Rp9.173
18.755In Stock
16.000Expected 23/11/2026

Mfr. Part No.
PRG21BC6R8MM1RA

Mouser Part No
81-PRG21BC6R8MM1RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 6.8 OHM 20% SMD 0805

Learn More

Datasheet

18.755In Stock

16.000Expected 23/11/2026

Cut Tape

Rp9.173

Rp8.604

Rp8.017

Rp7.632

View

Reel

Rp5.137

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

PRG21-MM1RA

6.8 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors T=5K 110deg C

B59008C0110A040
TDK
1: Rp31.922
8.726In Stock

Mfr. Part No.
B59008C0110A040

Mouser Part No
871-B59008C110A40

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 110deg C

Learn More

Datasheet

8.726In Stock

Rp31.922

Rp30.454

Rp25.868

Rp25.317

View

Min.: 1
Mult.: 1

B59008

250 Ohms

PCB Mount

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors T=5K 120deg C

B59008C0120A040
TDK
1: Rp26.602
2.110In Stock

Mfr. Part No.
B59008C0120A040

Mouser Part No
871-B59008C120A40

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 120deg C

Learn More

Datasheet

2.110In Stock

Rp26.602

Rp25.501

Rp23.850

Rp22.933

View

Min.: 1
Mult.: 1

B59008

250 Ohms

PCB Mount

Radial

0 C

+ 40 C

Bulk

Thermistors - PTC

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2381
B57213
B57237
B57238
B59004
B59006
B59008
B59012
B59050
B59084
B59100
B59102
B59116S
B59196
B59201
B59204
B59314
B59601
B597
B59701

200 mOhms
300 mOhms
400 mOhms
450 mOhms
500 mOhms
600 mOhms
700 mOhms
800 mOhms
900 mOhms
1 Ohms
1.1 Ohms
1.2 Ohms
1.3 Ohms
1.5 Ohms
1.65 Ohms
1.7 Ohms
1.8 Ohms
1.9 Ohms
2.1 Ohms
2.2 Ohms

+ 40 C
+ 55 C
+ 60 C
+ 70 C
+ 75 C
+ 80 C
+ 85 C
+ 90 C
+ 100 C
+ 105 C
+ 110 C
+ 120 C
+ 125 C
+ 130 C
+ 133 C
+ 140 C
+ 145 C
+ 150 C
+ 155 C
+ 160 C