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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 440volts 56ohms ICL AEC-Q200

B59451C1130B70
TDK
1: $3.92
1,688In Stock

Mfr. Part No.
B59451C1130B70

Mouser Part No
871-B59451C1130B70

TDK

PTC (Positive Temperature Coefficient) Thermistors 440volts 56ohms ICL AEC-Q200

Learn More

Datasheet

1,688In Stock

$3.92

$3.62

$3.01

$2.77

Reel

$2.57

View

Min.: 1
Mult.: 1

: 500

B597x-Cx

56 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

AEC-Q100

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 95C Temperature Sensor

B59601A0095A062
TDK
1: $0.707
6,174In Stock

Mfr. Part No.
B59601A0095A062

Mouser Part No
871-B59601A0095A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 95C Temperature Sensor

Learn More

Datasheet

6,174In Stock

Cut Tape

$0.707

$0.664

$0.62

$0.589

View

Reel

$0.409

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Inrush Current Limiter Leaded Disk Type

PCB Mount

SMD/SMT

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0603 60Vdc 20mA PTC Overcurrent

B59622A0090A062
TDK
1: $0.925
3,645In Stock
4,000Expected 6/10/2026

Mfr. Part No.
B59622A0090A062

Mouser Part No
871-B59622A0090A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 60Vdc 20mA PTC Overcurrent

Learn More

Datasheet

3,645In Stock

4,000Expected 6/10/2026

Cut Tape

$0.925

$0.849

$0.704

$0.65

$0.585

Reel

$0.583

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Surface Mount Limit Temperature Sensor

220 Ohms

25 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0603 63Vdc 25mA PTC Overcurrent

B59623A0090A062
TDK
1: $1.55
5,842In Stock

Mfr. Part No.
B59623A0090A062

Mouser Part No
871-B59623A0090A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 63Vdc 25mA PTC Overcurrent

Learn More

Datasheet

5,842In Stock

Cut Tape

$1.55

$1.43

$1.18

$1.11

View

Reel

$0.706

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Surface Mount OverCurrent PTC

PCB Mount

SMD/SMT

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 75C Temperature Sensor

B59641A0075A062
TDK
1: $0.517
51,251In Stock

Mfr. Part No.
B59641A0075A062

Mouser Part No
871-B59641A75A62

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 75C Temperature Sensor

Learn More

Datasheet

51,251In Stock

Cut Tape

$0.517

$0.479

$0.418

$0.369

Reel

$0.28

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Surface Mount OverCurrent PTC

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 100C Temperature Sensor

B59701A0100A062
TDK
1: $0.952
14,090In Stock

Mfr. Part No.
B59701A0100A062

Mouser Part No
871-B59701A0100A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 100C Temperature Sensor

Learn More

Datasheet

14,090In Stock

Cut Tape

$0.952

$0.90

$0.842

$0.802

View

Reel

$0.60

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Telecom Pair Protection Over current in Housing style

PCB Mount

SMD/SMT

Reel, Cut Tape, MouseReel

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

B59721A0070A062
TDK
1: $0.598
31,076In Stock

Mfr. Part No.
B59721A0070A062

Mouser Part No
871-B59721A0070A062

TDK

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

Learn More

Datasheet

31,076In Stock

Cut Tape

$0.598

$0.566

$0.528

$0.502

View

Reel

$0.347

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Surface Mount Limit Temperature Sensor

680 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 80C Temperature Sensor

B59721A0080A062
TDK
1: $0.598
18,707In Stock

Mfr. Part No.
B59721A0080A062

Mouser Part No
871-B59721A0080A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 80C Temperature Sensor

Learn More

Datasheet

18,707In Stock

Cut Tape

$0.598

$0.566

$0.528

$0.502

View

Reel

$0.371

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Surface Mount Limit Temperature Sensor

680 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 90C Temperature Sensor

B59721A0090A062
TDK
1: $0.598
7,711In Stock

Mfr. Part No.
B59721A0090A062

Mouser Part No
871-B59721A0090A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 90C Temperature Sensor

Learn More

Datasheet

7,711In Stock

Cut Tape

$0.598

$0.566

$0.528

$0.502

View

Reel

$0.371

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 100C Temperature Sensor

B59721A100A62
TDK
1: $0.598
21,318In Stock

Mfr. Part No.
B59721A100A62

Mouser Part No
871-B59721A100A62

TDK

PTC (Positive Temperature Coefficient) Thermistors 0805 680ohms 100C Temperature Sensor

Learn More

Datasheet

21,318In Stock

Cut Tape

$0.598

$0.566

$0.528

$0.502

View

Reel

$0.379

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Superior

PCB Mount

SMD/SMT

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 280AC, 400DC,50oHMS

B59751C0120A070
TDK
1: $4.12
4,705In Stock
5,500Expected 8/10/2026

Mfr. Part No.
B59751C0120A070

Mouser Part No
871-B59751C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 280AC, 400DC,50oHMS

Learn More

Datasheet

4,705In Stock

5,500Expected 8/10/2026

$4.12

$3.47

$3.07

$2.92

Reel

$2.41

View

Min.: 1
Mult.: 1

: 500

Telecom Pair Protection Over current in Housing style

50 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 280AC,400DC,80oHMS PTC Thermistor

B59752C0120A070
TDK
1: $3.30
1,139In Stock

Mfr. Part No.
B59752C0120A070

Mouser Part No
871-B59752C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 280AC,400DC,80oHMS PTC Thermistor

Learn More

Datasheet

1,139In Stock

$3.30

$3.16

$2.98

$2.86

Reel

$2.43

View

Min.: 1
Mult.: 1

: 500

Inrush Current Limiter Leaded Disk Type

80 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 440AC,620DC,120oHMS PTC Thermistor

B59753C0120A070
TDK
1: $3.10
2,658In Stock
1,500Expected 31/8/2026

Mfr. Part No.
B59753C0120A070

Mouser Part No
871-B59753C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 440AC,620DC,120oHMS PTC Thermistor

Learn More

Datasheet

2,658In Stock

1,500Expected 31/8/2026

$3.10

$2.88

$2.58

$2.46

View

Min.: 1
Mult.: 1

Telecom Pair Protection Over current in Housing style

120 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 440AC,620DC,150oHMS PTC Thermistor

B59754C0120A070
TDK
1: $3.30
1,236In Stock

Mfr. Part No.
B59754C0120A070

Mouser Part No
871-B59754C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 440AC,620DC,150oHMS PTC Thermistor

Datasheet

1,236In Stock

$3.30

$3.16

$2.98

$2.86

View

Min.: 1
Mult.: 1

Inrush Current Limiter Leaded Disk Type

150 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors 560vAC,800vDC, 500 Ohms

B59755C0115A070
TDK
1: $3.92
1,134In Stock
2,500Expected 4/9/2026

Mfr. Part No.
B59755C0115A070

Mouser Part No
871-B59755C115A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 560vAC,800vDC, 500 Ohms

Learn More

Datasheet

1,134In Stock

2,500Expected 4/9/2026

$3.92

$3.62

$3.01

$2.77

Reel

$2.56

View

Min.: 1
Mult.: 1

: 500

Inrush Current Limiter Leaded Disk Type

500 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 1000AC/DC,7.5KoHMS PTC Thermistor

B59758C0110A070
TDK
1: $3.86
1,586In Stock
4,000Expected 30/9/2026

Mfr. Part No.
B59758C0110A070

Mouser Part No
871-B59758C110A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 1000AC/DC,7.5KoHMS PTC Thermistor

Learn More

Datasheet

1,586In Stock

4,000Expected 30/9/2026

$3.86

$3.50

$3.11

$2.96

Reel

$2.90

View

Min.: 1
Mult.: 1

: 500

Inrush Current Limiter Leaded Disk Type

7.5 kOhms

33 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 260AC,370DC,150oHMS PTC Thermistor

B59772C0120A070
TDK
1: $2.37
2,986In Stock

Mfr. Part No.
B59772C0120A070

Mouser Part No
871-B59772C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 260AC,370DC,150oHMS PTC Thermistor

Datasheet

2,986In Stock

$2.37

$2.26

$2.12

$2.04

Reel

$1.69

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

150 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

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

B59773C0120A070
TDK
1: $3.37
800In Stock
1,000Expected 31/8/2026

Mfr. Part No.
B59773C0120A070

Mouser Part No
871-B59773C120A70

TDK

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

Learn More

Datasheet

800In Stock

1,000Expected 31/8/2026

$3.37

$2.75

$2.23

$2.07

Reel

$1.67

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 7.0A 3.7ohms

B59830C0160A070
TDK
1: $3.05
1,490In Stock

Mfr. Part No.
B59830C0160A070

Mouser Part No
871-B59830C160A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 7.0A 3.7ohms

Learn More

Datasheet

1,490In Stock

$3.05

$2.91

$2.73

$2.62

Reel

$2.18

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 840A 80A 70 16X2.5 PTC Thermistor

B59840C0080A070
TDK
1: $3.35
1,234In Stock

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

1,234In Stock

$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 840A 130A 70 12X2.5 PTC Thermistor

B59840C0130A070
TDK
1: $2.31
1,904In Stock

Mfr. Part No.
B59840C0130A070

Mouser Part No
871-B59840C0130A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 840A 130A 70 12X2.5 PTC Thermistor

Learn More

Datasheet

1,904In Stock

$2.31

$2.14

$2.08

$1.78

View

Reel

$1.30

Min.: 1
Mult.: 1

: 700

Telecom Pair Protection Over current in Housing style

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor C 840A 120A 70 16X2,5

B59840C0120A070
TDK
1: $3.35
2,772In Stock
3,000Expected 16/11/2026

Mfr. Part No.
B59840C0120A070

Mouser Part No
871-B59840C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor C 840A 120A 70 16X2,5

Learn More

Datasheet

2,772In Stock

3,000Expected 16/11/2026

$3.35

$3.09

$2.64

$2.45

Reel

$1.90

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

6 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 4.1A 6.0ohms

B59840C0160A070
TDK
1: $2.67
8,772In Stock

Mfr. Part No.
B59840C0160A070

Mouser Part No
871-B59840C160A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 4.1A 6.0ohms

Learn More

Datasheet

8,772In Stock

$2.67

$2.54

$2.39

$2.28

Reel

$1.92

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

6 Ohms

25 %

PCB Mount

Radial

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 7.0A 3.7ohms

B59850C0120A070
TDK
1: $2.65
1,912In Stock

Mfr. Part No.
B59850C0120A070

Mouser Part No
871-B59850C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 7.0A 3.7ohms

Learn More

Datasheet

1,912In Stock

$2.65

$2.42

$2.08

$2.01

View

Min.: 1
Mult.: 1

Over Current Protection Leaded Disk Style

10 Ohms

25 %

PCB Mount

Radial

0 C

+ 60 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors 1.5A 15ohms

B59860C0160A070
TDK
1: $2.23
2,656In Stock

Mfr. Part No.
B59860C0160A070

Mouser Part No
871-B59860C160A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 1.5A 15ohms

Learn More

Datasheet

2,656In Stock

$2.23

$2.05

$1.86

$1.69

View

Reel

$1.16

Min.: 1
Mult.: 1

: 1,300

Over Current Protection Leaded Disk Style

15 Ohms

25 %

PCB Mount

Radial

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