.hide-partial { max-height: none; } .show-more { display: none; }

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.

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1,046

Applied Filters:

Manufacturer

Series

Resistance

Tolerance

Mounting Style

Termination Style

Minimum Operating Temperature

Maximum Operating Temperature

Qualification

Packaging

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

PTC (Positive Temperature Coefficient) Thermistors T=5K 70deg C

B59008C0070A040
TDK
1: $1.97
3,899In Stock

Mfr. Part No.
B59008C0070A040

Mouser Part No
871-B59008C70A40

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 70deg C

Learn More

Datasheet

3,899In Stock

$1.97

$1.89

$1.77

$1.70

View

Min.: 1
Mult.: 1

B59008

250 Ohms

PCB Mount

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors 11-P 430 1.3X0.5 PTC Thermistor

B59011E0160A040
TDK
1: $20.03
219In Stock

Mfr. Part No.
B59011E0160A040

Mouser Part No
871-B59011E0160A040

TDK

PTC (Positive Temperature Coefficient) Thermistors 11-P 430 1.3X0.5 PTC Thermistor

Learn More

Datasheet

219In Stock

$20.03

$17.26

$15.67

$15.03

View

Min.: 1
Mult.: 1

Limit Temperature Sensor Leaded style

Bulk

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor D 1050-B 100-A 40 NAT 100 GRAD C

B59050D1100B040
TDK
1: $12.95
1,091In Stock

Mfr. Part No.
B59050D1100B040

Mouser Part No
871-B59050D1100B40

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor D 1050-B 100-A 40 NAT 100 GRAD C

Learn More

Datasheet

1,091In Stock

$12.95

$11.71

$11.25

$10.70

View

Min.: 1
Mult.: 1

Heater Element Rectangular shape

Bulk

PTC (Positive Temperature Coefficient) Thermistors D 052-A 60-A 40 NAT 60 Grade C

B59052D1060A040
TDK
1: $2.26
5,456In Stock

Mfr. Part No.
B59052D1060A040

Mouser Part No
871-B59052D1060A040

TDK

PTC (Positive Temperature Coefficient) Thermistors D 052-A 60-A 40 NAT 60 Grade C

Datasheet

5,456In Stock

$2.26

$2.15

$1.94

$1.88

View

Min.: 1
Mult.: 1

Heater Element Rectangular shape

570 Ohms

Ring Lug

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors D 052-A 120-A 40 NAT 120 Grade C

B59052D1120A040
TDK
1: $2.05
1,899In Stock

Mfr. Part No.
B59052D1120A040

Mouser Part No
871-B59052D1120A040

TDK

PTC (Positive Temperature Coefficient) Thermistors D 052-A 120-A 40 NAT 120 Grade C

Datasheet

1,899In Stock

$2.05

$1.96

$1.85

$1.77

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 T=5K 60deg C

B59100M1060A070
TDK
1: $6.35
1,015In Stock
3,600On Order

Mfr. Part No.
B59100M1060A070

Mouser Part No
871-B59100M1060A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 60deg C

Learn More

Datasheet

1,015In Stock

3,600On Order

$6.35

$5.70

$5.45

$5.17

Reel

$4.32

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 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

Learn More

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

Learn More

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

Learn More

Datasheet

1,147In Stock

$6.22

$5.58

$5.33

$5.02

View

Min.: 1
Mult.: 1

Motor Protector Single Sensor Style

100 Ohms

Wire

Radial

- 25 C

+ 133 C

Bulk

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

B59100M1120A070
TDK
1: $6.22
3,217In 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

3,217In Stock

Cut Tape

$6.22

$5.58

$5.33

$4.95

Reel

$3.92

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 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

Learn More

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
4,307In Stock

Mfr. Part No.
B59100M1150A070

Mouser Part No
871-B59100M1150A70

TDK

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

Learn More

Datasheet

4,307In Stock

$6.22

$5.58

$5.33

$4.95

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: $5.96
4,308In 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

4,308In Stock

20,000On Order

$5.96

$5.34

$5.11

$4.84

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
677In Stock

Mfr. Part No.
B59100M1160A070

Mouser Part No
871-B59100M1160A70

TDK

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

Learn More

Datasheet

677In 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 T=7K 170deg C

B59100M1170A070
TDK
1: $8.30
3,551In Stock

Mfr. Part No.
B59100M1170A070

Mouser Part No
871-B59100M1170A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=7K 170deg C

Learn More

Datasheet

3,551In Stock

$8.30

$7.47

$7.15

$6.79

Reel

$5.70

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
1,534In Stock

Mfr. Part No.
B59115P1080A062

Mouser Part No
871-B59115P1080A062

TDK

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

Learn More

Datasheet

1,534In 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: $8.04
1,439In Stock

Mfr. Part No.
B59213J0130A020

Mouser Part No
871-B59213J0130A020

TDK

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

Learn More

Datasheet

1,439In Stock

$8.04

$6.66

$6.08

$5.36

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: $7.22
2,865In Stock
5,000Expected 28/12/2026

Mfr. Part No.
B59215J0130A020

Mouser Part No
871-B59215J0130A020

TDK

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

Learn More

Datasheet

2,865In Stock

5,000Expected 28/12/2026

$7.22

$6.19

$5.20

$4.81

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

Learn More

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 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
538In 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

538In 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
2,510In Stock
2,500Expected 2/9/2026

Mfr. Part No.
B59412C1130B070

Mouser Part No
871-B59412C1130B70

TDK

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

Learn More

Datasheet

2,510In Stock

2,500Expected 2/9/2026

$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

Thermistors - PTC

Customer Service Office

Company

Resources

Support

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