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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 PTC 1Kohms 1% Linear

TFPT0805L1001FV
Vishay / Dale
1: $1.15
7,132In Stock

Mfr. Part No.
TFPT0805L1001FV

Mouser Part No
71-TFPT0805L1001FV

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors PTC 1Kohms 1% Linear

Learn More

Datasheet

7,132In Stock

Cut Tape

$1.15

$1.09

$0.89

$0.866

Reel

$0.725

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

TFPT

1 kOhms

1 %

PCB Mount

SMD/SMT

- 55 C

+ 70 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors PTC 3.3Kohms 1% Linear

TFPT0805L3301FM
Vishay / Dale
1: $1.27
4,810In Stock

Mfr. Part No.
TFPT0805L3301FM

Mouser Part No
71-TFPT0805L3301FM

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors PTC 3.3Kohms 1% Linear

Learn More

Datasheet

4,810In Stock

Cut Tape

$1.27

$0.951

$0.761

$0.716

View

Reel

$0.497

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

TFPT

3.3 kOhms

1 %

PCB Mount

SMD/SMT

- 55 C

+ 70 C

AEC-Q100

Reel, Cut Tape, MouseReel

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

PRF18BB471QS5RB
Murata Electronics
1: $0.46
7,337In Stock

Mfr. Part No.
PRF18BB471QS5RB

Mouser Part No
81-PRF18BB471QS5RB

Murata Electronics

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

Learn More

Datasheet

7,337In Stock

Cut Tape

$0.46

$0.429

$0.40

$0.38

View

Reel

$0.253

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 80C 12Vdc 4ohms Disc PTC Heating

B59060A0080A010
TDK
1: $1.79
2,845In Stock

Mfr. Part No.
B59060A0080A010

Mouser Part No
871-B59060A0080A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 80C 12Vdc 4ohms Disc PTC Heating

Learn More

Datasheet

2,845In Stock

$1.79

$1.65

$1.43

$1.35

View

Min.: 1
Mult.: 1

Heater Element Round shape

9 Ohms

30 %

Clamp Mount

Pressure Contacts

- 40 C

+ 100 C

Tray

PTC (Positive Temperature Coefficient) Thermistors 40R OHM 15 AMP PTC 500V C12

PTC305C12
Vishay
1: $29.36
122In Stock
New At Mouser

Mfr. Part No.
PTC305C12

Mouser Part No
70-PTC305C12

New At Mouser

Vishay

PTC (Positive Temperature Coefficient) Thermistors 40R OHM 15 AMP PTC 500V C12

Datasheet

122In Stock

$29.36

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors PTC SMD 35ohm 15/-20%

PTCTZ3MR350MTT
Vishay / BC Components
1: $2.53
3,000In Stock

Mfr. Part No.
PTCTZ3MR350MTT

Mouser Part No
594-PTCTZ3MR350MTT

Vishay / BC Components

PTC (Positive Temperature Coefficient) Thermistors PTC SMD 35ohm 15/-20%

Datasheet

3,000In Stock

Cut Tape

$2.53

$2.07

$1.68

$1.56

View

Reel

$1.30

MouseReel Available

Min.: 1
Mult.: 1

: 1,500

PTCTZ

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 120C +/-5C Motor Prot Triple Sensor

B59300M1120A070
TDK
1: $6.00
923In Stock

Mfr. Part No.
B59300M1120A070

Mouser Part No
871-B59300M1120A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 120C +/-5C Motor Prot Triple Sensor

Learn More

Datasheet

923In Stock

$6.00

$5.40

$5.18

$4.92

Reel

$4.69

View

Min.: 1
Mult.: 1

: 200

Inrush Current Limiter Housing Type

300 Ohms

Wire

Radial

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor

B59601A0085A062
TDK
1: $0.52
6,629In Stock

Mfr. Part No.
B59601A0085A062

Mouser Part No
871-B59601A0085A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor

Learn More

Datasheet

6,629In Stock

Cut Tape

$0.52

$0.488

$0.456

$0.433

View

Reel

$0.295

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Surface Mount Limit Temperature Sensor

470 Ohms

PCB Mount

SMD/SMT

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 1000V 1100 Ohm 20% Tol

YS4020
Amphenol Advanced Sensors
1: $3.50
1,971In Stock

Mfr. Part No.
YS4020

Mouser Part No
527-YS4020

Amphenol Advanced Sensors

PTC (Positive Temperature Coefficient) Thermistors 1000V 1100 Ohm 20% Tol

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Datasheet

1,971In Stock

$3.50

$3.39

$3.38

$3.27

$2.74

Min.: 1
Mult.: 1

1.1 kOhms

20 %

PCB Mount

Radial

Bulk

PTC (Positive Temperature Coefficient) Thermistors 120C +/-5C Motor Prot Single Sensor

B59100M1120A070
TDK
1: $4.57
4,218In Stock

Mfr. Part No.
B59100M1120A070

Mouser Part No
871-B59100M1120A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 120C +/-5C Motor Prot Single Sensor

Learn More

Datasheet

4,218In Stock

Cut Tape

$4.57

$4.10

$3.92

$3.59

Reel

$2.80

View

Min.: 1
Mult.: 1

: 400

Motor Protector Single Sensor Style

100 Ohms

25 %

Wire

Radial

0 C

+ 40 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors T=5K 150deg C

B59300M1150A070
TDK
1: $6.00
354In Stock

Mfr. Part No.
B59300M1150A070

Mouser Part No
871-B59300M1150A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 150deg C

Learn More

Datasheet

354In Stock

$6.00

$5.40

$5.18

$4.92

Reel

$4.41

View

Min.: 1
Mult.: 1

: 200

Motor Protector Sensor Triple Sensor Style

300 Ohms

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 110C Temperature Sensor

B59701A0110A062
TDK
1: $0.70
6,740In Stock

Mfr. Part No.
B59701A0110A062

Mouser Part No
871-B59701A0110A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 110C Temperature Sensor

Learn More

Datasheet

6,740In Stock

Cut Tape

$0.70

$0.662

$0.619

$0.59

View

Reel

$0.414

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Surface Mount Limit Temperature Sensor

PCB Mount

SMD/SMT

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 10A 1.65ohms

B59930C0120A070
TDK
1: $3.34
2,310In Stock

Mfr. Part No.
B59930C0120A070

Mouser Part No
871-B59930C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 10A 1.65ohms

Learn More

Datasheet

2,310In Stock

$3.34

$2.75

$2.45

$2.33

Reel

$1.91

View

Min.: 1
Mult.: 1

: 700

Over Current Protection Leaded Disk Style

1.65 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 1.0A 4.6ohms

B59985C0120A070
TDK
1: $1.17
5,633In Stock

Mfr. Part No.
B59985C0120A070

Mouser Part No
871-B59985C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 1.0A 4.6ohms

Learn More

Datasheet

5,633In Stock

$1.17

$0.83

$0.708

$0.679

View

Reel

$0.529

Min.: 1
Mult.: 1

: 3,000

Over Current Protection Leaded Disk Style

4.6 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors D 052-A 90-A 40 NAT 90 Grade C

B59052D1090A040
TDK
1: $1.75
3,991In Stock

Mfr. Part No.
B59052D1090A040

Mouser Part No
871-B59052D1090A040

TDK

PTC (Positive Temperature Coefficient) Thermistors D 052-A 90-A 40 NAT 90 Grade C

Datasheet

3,991In Stock

$1.75

$1.66

$1.38

$1.35

View

Min.: 1
Mult.: 1

Limit Temperature Sensor Housing style

550 Ohms

Ring Lug

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors

PRG21BC4R7MS5RA
Murata Electronics
1: $0.93
3,246In Stock
NRND

Mfr. Part No.
PRG21BC4R7MS5RA

Mouser Part No
81-PRG21BC4R7MS5RA

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

3,246In Stock

Cut Tape

$0.93

$0.875

$0.82

$0.783

View

Reel

$0.568

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 440AC,620DC,500oHMS PTC Thermistor

B59773C0120A070
TDK
1: $1.74
2,804In Stock
700Expected 31/08/2026

Mfr. Part No.
B59773C0120A070

Mouser Part No
871-B59773C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 440AC,620DC,500oHMS PTC Thermistor

Learn More

Datasheet

2,804In Stock

700Expected 31/08/2026

$1.74

$1.66

$1.56

$1.50

Reel

$1.14

View

Min.: 1
Mult.: 1

: 1,000

Inrush Current Limiter Leaded Disk Type

500 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 830A 120A 70 20X2.5 PTC Thermistor

B59830C0120A070
TDK
1: $2.56
2,553In Stock

Mfr. Part No.
B59830C0120A070

Mouser Part No
871-B59830C0120A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 830A 120A 70 20X2.5 PTC Thermistor

Learn More

Datasheet

2,553In Stock

$2.56

$2.29

$2.04

$1.94

Reel

$1.37

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

3.7 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 885A 120A 51 5X2.5 PTC Thermistor

B59885C0120A051
TDK
1: $1.49
2,442In Stock

Mfr. Part No.
B59885C0120A051

Mouser Part No
871-B59885C0120A051

TDK

PTC (Positive Temperature Coefficient) Thermistors 885A 120A 51 5X2.5 PTC Thermistor

Learn More

Datasheet

2,442In Stock

Cut Tape

$1.49

$1.37

$1.21

$0.995

View

Reel

$0.635

Min.: 1
Mult.: 1

: 1,500

B59885

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 220C 400V 80ohms PTC for Heating Apps

B59102R0220A010
TDK
1: $0.96
2,179In Stock

Mfr. Part No.
B59102R0220A010

Mouser Part No
871-B59102R0220A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 220C 400V 80ohms PTC for Heating Apps

Learn More

Datasheet

2,179In Stock

$0.96

$0.91

$0.854

$0.815

View

Min.: 1
Mult.: 1

Heater Element Rectangular shape

1 kOhms

50 %

Clamp Mount

Pressure Contacts

- 40 C

+ 100 C

Tray

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 115C Temperature Sensor

B59421A0115A062
TDK
1: $0.45
14,530In Stock

Mfr. Part No.
B59421A0115A062

Mouser Part No
871-B59421A0115A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 115C Temperature Sensor

Learn More

Datasheet

14,530In Stock

Cut Tape

$0.45

$0.42

$0.392

$0.372

View

Reel

$0.258

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

Surface Mount Limit Temperature Sensor

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 70C Temperature Sensor

B59701A0070A062
TDK
1: $0.70
6,610In Stock

Mfr. Part No.
B59701A0070A062

Mouser Part No
871-B59701A0070A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 70C Temperature Sensor

Learn More

Datasheet

6,610In Stock

Cut Tape

$0.70

$0.662

$0.619

$0.59

View

Reel

$0.414

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Surface Mount Limit Temperature Sensor

PCB Mount

SMD/SMT

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 5.5A 0.8ohms

B59955C0120A070
TDK
1: $1.77
3,761In Stock

Mfr. Part No.
B59955C0120A070

Mouser Part No
871-B59955C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 5.5A 0.8ohms

Learn More

Datasheet

3,761In Stock

$1.77

$1.63

$1.53

$1.36

View

Reel

$0.935

Min.: 1
Mult.: 1

: 2,000

Over Current Protection Leaded Disk Style

800 mOhms

25 %

PCB Mount

Radial

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805

PRG18BC4R7MM1RB
Murata Electronics
1: $0.39
11,439In 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

Datasheet

11,439In Stock

Cut Tape

$0.39

$0.358

$0.298

$0.247

Reel

$0.173

View

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

PRG21BC1R0MM1RK
Murata Electronics
1: $0.52
25,091In Stock
NRND

Mfr. Part No.
PRG21BC1R0MM1RK

Mouser Part No
81-PRG21BC1R0MM1RK

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

25,091In Stock

Cut Tape

$0.52

$0.488

$0.455

$0.433

View

Reel

$0.278

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

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