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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 0603 470ohms 135C Temperature Sensor

B59641A0135A062
TDK
1: $0.517
7,403In Stock

Mfr. Part No.
B59641A0135A062

Mouser Part No
871-B59641A0135A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 135C Temperature Sensor

Learn More

Datasheet

7,403In Stock

Cut Tape

$0.517

$0.487

$0.431

$0.409

Reel

$0.311

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

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 120C Temperature Sensor

B59701A120A62
TDK
1: $0.952
1,439In Stock

Mfr. Part No.
B59701A120A62

Mouser Part No
871-B59701A120A62

TDK

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 120C Temperature Sensor

Learn More

Datasheet

1,439In Stock

Cut Tape

$0.952

$0.90

$0.842

$0.802

View

Reel

$0.602

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

B59701

680 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 145 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 120C Temperature Sensor

B59721A0120A062
TDK
1: $0.598
2,475In Stock
4,000Expected 5/10/2026

Mfr. Part No.
B59721A0120A062

Mouser Part No
871-B59721A0120A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 120C Temperature Sensor

Learn More

Datasheet

2,475In Stock

4,000Expected 5/10/2026

Cut Tape

$0.598

$0.566

$0.528

$0.502

View

Reel

$0.347

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Surface Mount OverCurrent PTC

680 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape, MouseReel

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

B59721A110A62
TDK
1: $0.598
5,902In Stock

Mfr. Part No.
B59721A110A62

Mouser Part No
871-B59721A110A62

TDK

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

Learn More

Datasheet

5,902In Stock

Cut Tape

$0.598

$0.566

$0.528

$0.502

View

Reel

$0.347

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Superior

PCB Mount

SMD/SMT

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 260AC,370DC,120oHMS PTC Thermistor

B59771C0120A070
TDK
1: $2.37
336In Stock
1,000Expected 2/11/2026

Mfr. Part No.
B59771C0120A070

Mouser Part No
871-B59771C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 260AC,370DC,120oHMS PTC Thermistor

Datasheet

336In Stock

1,000Expected 2/11/2026

$2.37

$2.26

$2.12

$2.04

Reel

$1.69

View

Min.: 1
Mult.: 1

: 1,000

Inrush Current Limiter Leaded Disk Type

120 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 830A 130A 70 16X2.5 PTC Thermistor

B59830C0130A070
TDK
1: $3.35
535In Stock
1,000Expected 8/10/2026

Mfr. Part No.
B59830C0130A070

Mouser Part No
871-B59830C0130A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 830A 130A 70 16X2.5 PTC Thermistor

Learn More

Datasheet

535In Stock

1,000Expected 8/10/2026

$3.35

$3.09

$2.64

$2.45

Reel

$1.80

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

5 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 840A 80A 70 16X2.5 PTC Thermistor

B59840C0080A070
TDK
1: $3.35
234In Stock
1,000Expected 26/8/2026

Mfr. Part No.
B59840C0080A070

Mouser Part No
871-B59840C0080A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 840A 80A 70 16X2.5 PTC Thermistor

Learn More

Datasheet

234In Stock

1,000Expected 26/8/2026

$3.35

$3.09

$2.79

$2.46

Reel

$1.80

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 2.2A 10ohms

B59850C0160A070
TDK
1: $2.82
690In Stock

Mfr. Part No.
B59850C0160A070

Mouser Part No
871-B59850C160A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 2.2A 10ohms

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Datasheet

690In Stock

$2.82

$2.54

$2.31

$2.09

Reel

$1.59

View

Min.: 1
Mult.: 1

: 700

Over Current Protection Leaded Disk Style

10 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 860A 80A 70 10X2.5 PTC Thermistor

B59860C0080A070
TDK
1: $2.23
1,671In Stock

Mfr. Part No.
B59860C0080A070

Mouser Part No
871-B59860C0080A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 860A 80A 70 10X2.5 PTC Thermistor

Learn More

Datasheet

1,671In Stock

$2.23

$2.05

$1.86

$1.69

Reel

$1.27

View

Min.: 1
Mult.: 1

: 1,300

Over Current Protection Leaded Disk Style

15 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 860A 130A 70 8X2.5 PTC Thermistor

B59860C0130A070
TDK
1: $1.92
759In Stock

Mfr. Part No.
B59860C0130A070

Mouser Part No
871-B59860C0130A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 860A 130A 70 8X2.5 PTC Thermistor

Learn More

Datasheet

759In Stock

$1.92

$1.77

$1.62

$1.47

Reel

$1.07

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 1.5A 15ohms

B59860C0120A070
TDK
1: $2.67
587In Stock
700Expected 3/12/2026

Mfr. Part No.
B59860C0120A070

Mouser Part No
871-B59860C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 1.5A 15ohms

Learn More

Datasheet

587In Stock

700Expected 3/12/2026

$2.67

$2.11

$1.74

$1.60

Reel

$1.33

View

Min.: 1
Mult.: 1

: 700

Over Current Protection Leaded Disk Style

15 Ohms

25 %

PCB Mount

Radial

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor C 870-A 80-A 70 8X2,5

B59870C0080A070
TDK
1: $2.11
1,192In Stock

Mfr. Part No.
B59870C0080A070

Mouser Part No
871-B59870C80A70

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor C 870-A 80-A 70 8X2,5

Learn More

Datasheet

1,192In Stock

$2.11

$1.94

$1.77

$1.60

Reel

$1.20

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

25 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor C 871-A 135-A 70 8X2,5

B59871C0135A070
TDK
1: $1.92
909In Stock

Mfr. Part No.
B59871C0135A070

Mouser Part No
871-B59871C135A70

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor C 871-A 135-A 70 8X2,5

Learn More

Datasheet

909In Stock

$1.92

$1.77

$1.69

$1.47

Reel

$1.03

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 1.0A 35ohms

B59872C0120A070
TDK
1: $2.11
428In Stock
2,000Expected 8/9/2026

Mfr. Part No.
B59872C0120A070

Mouser Part No
871-B59872C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 1.0A 35ohms

Learn More

Datasheet

428In Stock

2,000Expected 8/9/2026

$2.11

$1.94

$1.77

$1.60

Reel

$1.14

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

35 Ohms

25 %

PCB Mount

Radial

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 45 OHM 25%

B59873C0120A570
TDK
1: $2.04
911In Stock

Mfr. Part No.
B59873C0120A570

Mouser Part No
871-B59873C0120A570

TDK

PTC (Positive Temperature Coefficient) Thermistors 45 OHM 25%

Datasheet

911In Stock

$2.04

$1.94

$1.62

$1.58

View

Reel

$1.01

Min.: 1
Mult.: 1

: 1,500

Over Current Protection Leaded Disk Style

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 875A 120A570 8X2.5 PTC Thermistor

B59875C0120A570
TDK
1: $2.24
784In Stock

Mfr. Part No.
B59875C0120A570

Mouser Part No
871-B59875C0120A570

TDK

PTC (Positive Temperature Coefficient) Thermistors 875A 120A570 8X2.5 PTC Thermistor

Learn More

Datasheet

784In Stock

$2.24

$2.07

$1.99

$1.71

View

Min.: 1
Mult.: 1

Over Current Protection Leaded Disk Style

Bulk

PTC (Positive Temperature Coefficient) Thermistors 880A 80A 70 5X2.5 PTC Thermistor

B59880C0080A070
TDK
1: $1.73
1,706In Stock

Mfr. Part No.
B59880C0080A070

Mouser Part No
871-B59880C0080A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 880A 80A 70 5X2.5 PTC Thermistor

Learn More

Datasheet

1,706In Stock

$1.73

$1.59

$1.47

$1.29

View

Reel

$0.854

Min.: 1
Mult.: 1

: 2,000

Over Current Protection Leaded Disk Style

70 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 0.4A 70ohms

B59880C0120A070
TDK
1: $2.01
1,732In Stock
3,000Expected 21/9/2026

Mfr. Part No.
B59880C0120A070

Mouser Part No
871-B59880C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 0.4A 70ohms

Learn More

Datasheet

1,732In Stock

3,000Expected 21/9/2026

$2.01

$1.86

$1.74

$1.55

View

Reel

$0.963

Min.: 1
Mult.: 1

: 2,000

Over Current Protection Leaded Disk Style

70 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 0.4A 70ohms

B59880C0160A070
TDK
1: $1.73
1,427In Stock

Mfr. Part No.
B59880C0160A070

Mouser Part No
871-B59880C160A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 0.4A 70ohms

Learn More

Datasheet

1,427In Stock

$1.73

$1.59

$1.41

$1.29

View

Reel

$0.854

Min.: 1
Mult.: 1

: 2,000

Over Current Protection Leaded Disk Style

70 Ohms

25 %

PCB Mount

Radial

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 883A 120A 51 5X2.5 PTC Thermistor

B59883C0120A051
TDK
1: $2.01
335In Stock

Mfr. Part No.
B59883C0120A051

Mouser Part No
871-B59883C0120A051

TDK

PTC (Positive Temperature Coefficient) Thermistors 883A 120A 51 5X2.5 PTC Thermistor

Learn More

Datasheet

335In Stock

Cut Tape

$2.01

$1.86

$1.55

$1.43

View

Reel

$0.963

Min.: 1
Mult.: 1

: 1,500

Over Current Protection Leaded Disk Style

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 883A 120A 70 5X2.5 PTC Thermistor

B59883C0120A070
TDK
1: $1.82
2,249In Stock

Mfr. Part No.
B59883C0120A070

Mouser Part No
871-B59883C0120A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 883A 120A 70 5X2.5 PTC Thermistor

Learn More

Datasheet

2,249In Stock

$1.82

$1.69

$1.51

$1.34

View

Reel

$0.898

Min.: 1
Mult.: 1

: 2,000

Over Current Protection Leaded Disk Style

120 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 883A 120A570 5X2.5 PTC Thermistor

B59883C0120A570
TDK
1: $1.40
590In Stock
2,000Expected 30/11/2026

Mfr. Part No.
B59883C0120A570

Mouser Part No
871-B59883C0120A570

TDK

PTC (Positive Temperature Coefficient) Thermistors 883A 120A570 5X2.5 PTC Thermistor

Learn More

Datasheet

590In Stock

2,000Expected 30/11/2026

$1.40

$1.33

$1.24

$1.19

View

Reel

$0.898

Min.: 1
Mult.: 1

: 2,000

Over Current Protection Leaded Disk Style

120 Ohms

20 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor C 885A 120A 70 5x2.5

B59885C0120A070
TDK
1: $2.48
1,067In Stock

Mfr. Part No.
B59885C0120A070

Mouser Part No
871-B59885C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor C 885A 120A 70 5x2.5

Learn More

Datasheet

1,067In Stock

$2.48

$2.28

$2.08

$1.89

View

Min.: 1
Mult.: 1

Over Current Protection Leaded Disk Style

12 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors 890A 80A 70 3X2.5 PTC Thermistor

B59890C0080A070
TDK
1: $1.69
2,303In Stock

Mfr. Part No.
B59890C0080A070

Mouser Part No
871-B59890C0080A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 890A 80A 70 3X2.5 PTC Thermistor

Learn More

Datasheet

2,303In Stock

$1.69

$1.55

$1.44

$1.27

View

Min.: 1
Mult.: 1

Over Current Protection Leaded Disk Style

Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 935-A 120-A 70 20X1 PTC Thermistor

B59935C0120A070
TDK
1: $3.25
726In Stock

Mfr. Part No.
B59935C0120A070

Mouser Part No
871-B59935C0120A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 935-A 120-A 70 20X1 PTC Thermistor

Learn More

Datasheet

726In Stock

$3.25

$3.01

$2.88

$2.49

View

Reel

$1.97

Min.: 1
Mult.: 1

: 700

Over Current Protection Leaded Disk Style

300 mOhms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

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