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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: $0.272
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

$0.272

$0.246

$0.231

$0.215

Reel

$0.154

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: $0.626
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

$0.626

$0.583

$0.544

$0.517

View

Reel

$0.378

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: $0.354
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

$0.354

$0.318

$0.264

$0.22

Reel

$0.141

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: $0.68
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

$0.68

$0.627

$0.594

$0.521

View

Reel

$0.348

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: $0.53
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

$0.53

$0.462

$0.39

$0.324

Reel

$0.212

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: $0.462
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

$0.462

$0.428

$0.379

$0.36

Reel

$0.276

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: $0.762
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

$0.762

$0.688

$0.635

$0.578

View

Reel

$0.408

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: $1.02
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

$1.02

$0.933

$0.775

$0.743

View

Reel

$0.452

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: $2.03
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

$2.03

$1.93

$1.82

$1.74

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: $2.03
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

$2.03

$1.93

$1.84

$1.63

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: $1.18
35,293In Stock
16,995Expected 27/8/2026

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 27/8/2026

Cut Tape

$1.18

$1.09

$0.991

$0.879

View

Reel

$0.589

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: $1.93
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

$1.93

$1.85

$1.74

$1.67

Reel

$1.39

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: $8.55
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

$8.55

$7.60

$6.84

$6.47

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: $8.55
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

$8.55

$7.60

$6.84

$6.47

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: $3.28
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

$3.28

$3.03

$2.91

$2.49

Reel

$1.93

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: $8.31
204In Stock
900Expected 7/12/2026

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 7/12/2026

Cut Tape

$8.31

$7.48

$7.17

$6.80

View

Reel

$5.37

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: $0.258
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

$0.258

$0.228

$0.19

$0.158

Reel

$0.091

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: $0.462
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

$0.462

$0.426

$0.377

$0.358

Reel

$0.26

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: $1.20
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

$1.20

$1.01

$0.932

$0.842

View

Reel

$0.439

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: $1.13
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

$1.13

$0.86

$0.74

$0.714

View

Reel

$0.407

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: $0.734
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

$0.734

$0.685

$0.639

$0.608

View

Reel

$0.439

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: $1.14
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

$1.14

$0.876

$0.753

$0.728

View

Reel

$0.413

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: $0.68
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

$0.68

$0.638

$0.594

$0.566

View

Reel

$0.381

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: $2.37
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

$2.37

$2.26

$1.92

$1.88

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: $1.97
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

$1.97

$1.89

$1.77

$1.70

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