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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 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
18,757In Stock

Mfr. Part No.
B59721A0080A062

Mouser Part No
871-B59721A0080A062

TDK

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

Learn More

Datasheet

18,757In 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
5,325In 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

5,325In Stock

5,500Expected 8/10/2026

$4.12

$3.81

$3.70

$3.16

Reel

$2.56

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: $4.18
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

$4.18

$3.62

$3.40

$3.03

Reel

$2.41

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
2,686In 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

2,686In Stock

1,500Expected 31/8/2026

$3.10

$2.88

$2.64

$2.52

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
1,242In Stock

Mfr. Part No.
B59754C0120A070

Mouser Part No
871-B59754C120A70

TDK

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

Datasheet

1,242In 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 21/9/2026

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 21/9/2026

$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
4,546In 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

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Datasheet

4,546In Stock

4,000Expected 30/9/2026

$3.86

$3.59

$3.21

$3.05

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: $2.37
2,204In Stock
700Expected 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

2,204In Stock

700Expected 31/8/2026

$2.37

$2.26

$2.12

$2.04

Reel

$1.52

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 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

$2.11

$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: $3.33
2,774In 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

2,774In Stock

3,000Expected 16/11/2026

$3.33

$2.72

$2.20

$2.04

Reel

$1.66

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: $3.03
8,972In Stock

Mfr. Part No.
B59840C0160A070

Mouser Part No
871-B59840C160A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 4.1A 6.0ohms

Learn More

Datasheet

8,972In Stock

$3.03

$2.79

$2.56

$2.33

View

Reel

$1.69

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

$2.20

$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: $2.03
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

$2.03

$1.86

$1.78

$1.55

View

Reel

$1.08

Min.: 1
Mult.: 1

: 1,300

Over Current Protection Leaded Disk Style

15 Ohms

25 %

PCB Mount

Radial

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors Thru-hole Coated 110V Overcurrent

B59870C0120A070
TDK
1: $2.96
5,779In Stock

Mfr. Part No.
B59870C0120A070

Mouser Part No
871-B59870C0120A070

TDK

PTC (Positive Temperature Coefficient) Thermistors Thru-hole Coated 110V Overcurrent

Learn More

Datasheet

5,779In Stock

$2.96

$2.33

$1.93

$1.78

View

Reel

$1.30

Min.: 1
Mult.: 1

: 1,500

Over Current Protection Leaded Disk Style

25 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 870A 130A 70 5X2.5 PTC Thermistor

B59870C0130A070
TDK
1: $1.56
5,323In Stock

Mfr. Part No.
B59870C0130A070

Mouser Part No
871-B59870C0130A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 870A 130A 70 5X2.5 PTC Thermistor

Learn More

Datasheet

5,323In Stock

$1.56

$1.44

$1.37

$1.19

View

Reel

$0.809

Min.: 1
Mult.: 1

: 2,000

Over Current Protection Leaded Disk Style

50 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 1.0A 25ohms

B59870C0160A070
TDK
1: $2.11
1,965In Stock

Mfr. Part No.
B59870C0160A070

Mouser Part No
871-B59870C160A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 1.0A 25ohms

Learn More

Datasheet

1,965In Stock

$2.11

$1.94

$1.66

$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 880A 130A 70 3X2.5 PTC Thermistor

B59880C0130A070
TDK
1: $1.69
10,379In Stock

Mfr. Part No.
B59880C0130A070

Mouser Part No
871-B59880C0130A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 880A 130A 70 3X2.5 PTC Thermistor

Learn More

Datasheet

10,379In Stock

$1.69

$1.55

$1.39

$1.27

View

Reel

$0.873

Min.: 1
Mult.: 1

: 2,000

Over Current Protection Leaded Disk Style

160 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 600ohms 0.2A 884-A 1

B59884C0120A070
TDK
1: $2.01
3,166In Stock

Mfr. Part No.
B59884C0120A070

Mouser Part No
871-B59884C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 600ohms 0.2A 884-A 1

Learn More

Datasheet

3,166In Stock

$2.01

$1.86

$1.74

$1.55

View

Reel

$1.00

Min.: 1
Mult.: 1

: 2,000

Over Current Protection Leaded Disk Style

600 Ohms

25 %

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 0.2A 150ohms

B59890C0120A070
TDK
1: $1.51
16,111In Stock

Mfr. Part No.
B59890C0120A070

Mouser Part No
871-B59890C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 0.2A 150ohms

Learn More

Datasheet

16,111In Stock

$1.51

$1.39

$1.36

$1.15

View

Reel

$0.787

Min.: 1
Mult.: 1

: 1,500

Over Current Protection Leaded Disk Style

150 Ohms

25 %

PCB Mount

Radial

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 8.0A 0.45ohms

B59945C0120A070
TDK
1: $3.25
4,128In Stock

Mfr. Part No.
B59945C0120A070

Mouser Part No
871-B59945C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 8.0A 0.45ohms

Learn More

Datasheet

4,128In Stock

$3.25

$3.01

$2.54

$2.35

View

Reel

$1.71

Min.: 1
Mult.: 1

: 2,000

Over Current Protection Leaded Disk Style

450 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