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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 T=5K 80deg C

B59100M1080A070
TDK
1: $6.35
4,261In Stock
2,400Expected 21/9/2026

Mfr. Part No.
B59100M1080A070

Mouser Part No
871-B59100M1080A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 80deg C

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Datasheet

4,261In Stock

2,400Expected 21/9/2026

$6.35

$5.70

$5.45

$5.14

Reel

$4.41

View

Min.: 1
Mult.: 1

: 400

Limit Temperature Sensor Leaded style

100 Ohms

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors T=5K 90deg C

B59100M1090A070
TDK
1: $6.22
1,809In Stock

Mfr. Part No.
B59100M1090A070

Mouser Part No
871-B59100M1090A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 90deg C

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Datasheet

1,809In Stock

$6.22

$5.58

$5.33

$5.05

View

Min.: 1
Mult.: 1

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors 110C +/-5C Motor Prot Single Sensor

B59100M1110A070
TDK
1: $6.22
1,147In Stock

Mfr. Part No.
B59100M1110A070

Mouser Part No
871-B59100M1110A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 110C +/-5C Motor Prot Single Sensor

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Datasheet

1,147In Stock

$6.22

$5.58

$5.15

$4.95

View

Min.: 1
Mult.: 1

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

- 25 C

+ 133 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors T=5K 130deg C

B59100M1130A070
TDK
1: $6.22
2,112In Stock

Mfr. Part No.
B59100M1130A070

Mouser Part No
871-B59100M1130A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 130deg C

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Datasheet

2,112In Stock

$6.22

$5.58

$5.33

$5.05

Reel

$4.23

View

Min.: 1
Mult.: 1

: 400

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

0 C

+ 40 C

Ammo Pack

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

B59100M1150A070
TDK
1: $6.22
4,407In Stock

Mfr. Part No.
B59100M1150A070

Mouser Part No
871-B59100M1150A70

TDK

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

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Datasheet

4,407In Stock

$6.22

$5.58

$5.33

$4.88

View

Min.: 1
Mult.: 1

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Single Sensor

B59100M1155A070
TDK
1: $5.63
4,533In Stock
20,000On Order

Mfr. Part No.
B59100M1155A070

Mouser Part No
871-B59100M1155A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Single Sensor

Learn More

Datasheet

4,533In Stock

20,000On Order

$5.63

$5.05

$4.83

$4.56

View

Min.: 1
Mult.: 1

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

- 25 C

+ 178 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors T=5K 160deg C

B59100M1160A070
TDK
1: $6.22
683In Stock

Mfr. Part No.
B59100M1160A070

Mouser Part No
871-B59100M1160A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 160deg C

Learn More

Datasheet

683In Stock

$6.22

$5.58

$5.33

$5.05

Reel

$4.22

View

Min.: 1
Mult.: 1

: 400

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 63Vdc 82mA 55ohms PTC Overcurrent

B59115P1080A062
TDK
1: $2.77
2,884In Stock

Mfr. Part No.
B59115P1080A062

Mouser Part No
871-B59115P1080A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 63Vdc 82mA 55ohms PTC Overcurrent

Learn More

Datasheet

2,884In Stock

Cut Tape

$2.77

$2.56

$2.15

$2.00

Reel

$1.56

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

Heater Element Rectangular shape

16 Ohms

25 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 280Vac, 400Vdc 33ohms AEC-Q200

B59213J0130A020
TDK
1: $7.33
1,439In Stock

Mfr. Part No.
B59213J0130A020

Mouser Part No
871-B59213J0130A020

TDK

PTC (Positive Temperature Coefficient) Thermistors 280Vac, 400Vdc 33ohms AEC-Q200

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Datasheet

1,439In Stock

$7.33

$6.27

$5.66

$5.21

View

Min.: 1
Mult.: 1

Surface Mount OverCurrent PTC

33 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

AEC-Q200

Case

PTC (Positive Temperature Coefficient) Thermistors 280Vac, 400Vdc 22ohms AEC-Q200

B59215J0130A020
TDK
1: $7.44
2,867In Stock
5,000Expected 30/10/2026

Mfr. Part No.
B59215J0130A020

Mouser Part No
871-B59215J0130A020

TDK

PTC (Positive Temperature Coefficient) Thermistors 280Vac, 400Vdc 22ohms AEC-Q200

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Datasheet

2,867In Stock

5,000Expected 30/10/2026

$7.44

$6.36

$5.20

$4.91

View

Min.: 1
Mult.: 1

Surface Mount OverCurrent PTC

22 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

AEC-Q200

Case

PTC (Positive Temperature Coefficient) Thermistors 25 OHM 25% SMD 3225

B59215P1080A62
TDK
1: $2.77
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
B59215P1080A62

Mouser Part No
871-B59215P1080A62

TDK

PTC (Positive Temperature Coefficient) Thermistors 25 OHM 25% SMD 3225

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Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

$2.77

$2.56

$2.30

$2.03

Reel

$1.48

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

B59x15

25 Ohms

25 %

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 440 V AC, AEC-Q200 AEC-Q200

B59217J0130A020
TDK
1: $6.11
3,895In Stock

Mfr. Part No.
B59217J0130A020

Mouser Part No
871-B59217J0130A020

TDK

PTC (Positive Temperature Coefficient) Thermistors 440 V AC, AEC-Q200 AEC-Q200

Learn More

Datasheet

3,895In Stock

$6.11

$5.48

$5.25

$4.96

View

Min.: 1
Mult.: 1

Inrush Current Limiter Housing Type

56 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

AEC-Q200

Case

PTC (Positive Temperature Coefficient) Thermistors 780V 500ohm J 252-A 140-B 20 AEC-Q200

B59252J0140B020
TDK
1: $4.83
2,506In Stock

Mfr. Part No.
B59252J0140B020

Mouser Part No
871-B59252J0140B020

TDK

PTC (Positive Temperature Coefficient) Thermistors 780V 500ohm J 252-A 140-B 20 AEC-Q200

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Datasheet

2,506In Stock

$4.83

$4.32

$4.13

$3.90

View

Min.: 1
Mult.: 1

Surface Mount OverCurrent PTC

500 Ohms

30 %

PCB Mount

Radial

- 40 C

+ 85 C

AEC-Q200

Case

PTC (Positive Temperature Coefficient) Thermistors T=5K 130deg C

B59300M1130A070
TDK
1: $9.79
375In Stock

Mfr. Part No.
B59300M1130A070

Mouser Part No
871-B59300M1130A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 130deg C

Learn More

Datasheet

375In Stock

$9.79

$8.81

$8.23

$7.63

Reel

$6.96

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 155C +/-5C Motor Prot Triple Sensor

B59300M1155A070
TDK
1: $9.79
541In Stock

Mfr. Part No.
B59300M1155A070

Mouser Part No
871-B59300M1155A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Triple Sensor

Learn More

Datasheet

541In Stock

$9.79

$8.81

$8.23

$7.63

Reel

$6.96

View

Min.: 1
Mult.: 1

: 200

Motor Protector Sensor Triple Sensor Style

300 Ohms

25 %

Wire

Radial

0 C

+ 40 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor P 1315-A 80-A

B59315P1080A62
TDK
1: $2.95
1,728In Stock

Mfr. Part No.
B59315P1080A62

Mouser Part No
871-B59315P1080A62

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor P 1315-A 80-A

Learn More

Datasheet

1,728In Stock

Cut Tape

$2.95

$2.73

$2.30

$2.14

Reel

$1.55

View

Min.: 1
Mult.: 1

: 1,000

B59x15

16 Ohms

25 %

- 40 C

+ 125 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 440volts 120ohms ICL AEC-Q200

B59412C1130B070
TDK
1: $3.92
2,513In Stock
2,500Expected 24/8/2026

Mfr. Part No.
B59412C1130B070

Mouser Part No
871-B59412C1130B70

TDK

PTC (Positive Temperature Coefficient) Thermistors 440volts 120ohms ICL AEC-Q200

Learn More

Datasheet

2,513In Stock

2,500Expected 24/8/2026

$3.92

$3.48

$3.28

$2.91

View

Min.: 1
Mult.: 1

Inrush Current Limiter SMD Type

120 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

AEC-Q100

Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 105C Temperature Sensor

B59421A0105A062
TDK
1: $0.612
13,010In Stock

Mfr. Part No.
B59421A0105A062

Mouser Part No
871-B59421A0105A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 105C Temperature Sensor

Learn More

Datasheet

13,010In Stock

Cut Tape

$0.612

$0.571

$0.533

$0.506

View

Reel

$0.366

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 0402 470ohms 125C Temperature Sensor

B59421A0125A062
TDK
1: $0.612
16,160In Stock

Mfr. Part No.
B59421A0125A062

Mouser Part No
871-B59421A0125A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 125C Temperature Sensor

Learn More

Datasheet

16,160In Stock

Cut Tape

$0.612

$0.571

$0.533

$0.506

View

Reel

$0.374

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 440volts 56ohms ICL AEC-Q200

B59451C1130B70
TDK
1: $3.92
2,190In Stock

Mfr. Part No.
B59451C1130B70

Mouser Part No
871-B59451C1130B70

TDK

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

Learn More

Datasheet

2,190In 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 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

$1.14

$1.07

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
55,751In Stock

Mfr. Part No.
B59641A0075A062

Mouser Part No
871-B59641A75A62

TDK

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

Learn More

Datasheet

55,751In 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 0603 470ohms 95C Temperature Sensor

B59641A95A62
TDK
1: $0.517
79,125In Stock
132,000On Order

Mfr. Part No.
B59641A95A62

Mouser Part No
871-B59641A95A62

TDK

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

Learn More

Datasheet

79,125In Stock

132,000On Order

Cut Tape

$0.517

$0.479

$0.418

$0.344

Reel

$0.262

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Superior

PCB Mount

SMD/SMT

AEC-Q100

Reel, Cut Tape, MouseReel

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

B59701A0100A062
TDK
1: $0.952
6,530In Stock
7,560Expected 25/8/2026

Mfr. Part No.
B59701A0100A062

Mouser Part No
871-B59701A0100A062

TDK

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

Learn More

Datasheet

6,530In Stock

7,560Expected 25/8/2026

Cut Tape

$0.952

$0.90

$0.842

$0.802

View

Reel

$0.63

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Telecom Pair Protection Over current in Housing style

PCB Mount

SMD/SMT

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