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PTC (Positive Temperature Coefficient) Thermistors

PTC Thermistors are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many PTC thermistor manufacturers including Murata, TDK, Vishay & more.
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Please view our large selection of PTC thermistors below.

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Part #

PTC (Positive Temperature Coefficient) Thermistors 990-A 120-A 51 3X1 PTC Thermistor

B59990C0120A051
TDK
1: $0.91
4,144In Stock

Mfr. Part No.
B59990C0120A051

Mouser Part No
871-B59990C0120A051

TDK

PTC (Positive Temperature Coefficient) Thermistors 990-A 120-A 51 3X1 PTC Thermistor

Learn More

Datasheet

4,144In Stock

Cut Tape

$0.91

$0.836

$0.739

$0.694

View

Reel

$0.408

Min.: 1
Mult.: 1

: 1,500

Over Current Protection Leaded Disk Style

55 Ohms

25 %

PCB Mount

Radial

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors

PRG21BC4R7MS5RA
Murata Electronics
1: $0.89
3,246In Stock
NRND

Mfr. Part No.
PRG21BC4R7MS5RA

Mouser Part No
81-PRG21BC4R7MS5RA

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

3,246In Stock

Cut Tape

$0.89

$0.842

$0.789

$0.753

View

Reel

$0.595

Min.: 1
Mult.: 1

: 4,000

PRG21-MS5RA

4.7 Ohms

20 %

PCB Mount

SMD/SMT

- 40 C

+ 85 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors PTC 1Kohms 5% Linear

TFPT0805L1001JM
Vishay / Dale
1: $1.10
4,345In Stock

Mfr. Part No.
TFPT0805L1001JM

Mouser Part No
71-TFPT0805L1001JM

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors PTC 1Kohms 5% Linear

Learn More

Datasheet

4,345In Stock

Cut Tape

$1.10

$0.821

$0.657

$0.618

View

Reel

$0.447

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

TFPT

1 kOhms

5 %

PCB Mount

SMD/SMT

- 55 C

+ 70 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors

PTC305C21
Vishay / Cera-Mite
1: $16.00
168In Stock

Mfr. Part No.
PTC305C21

Mouser Part No
75-PTC305C21

Vishay / Cera-Mite

PTC (Positive Temperature Coefficient) Thermistors

Datasheet

168In Stock

$16.00

$14.14

$12.67

$12.00

View

Min.: 1
Mult.: 1

PTC305C

Bulk

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

B59300M1150A070
TDK
1: $6.00
400In Stock

Mfr. Part No.
B59300M1150A070

Mouser Part No
871-B59300M1150A70

TDK

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

Learn More

Datasheet

400In Stock

$6.00

$5.40

$5.18

$4.92

Reel

$4.39

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 1.0A 4.6ohms

B59985C0120A070
TDK
1: $1.31
2,804In Stock

Mfr. Part No.
B59985C0120A070

Mouser Part No
871-B59985C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 1.0A 4.6ohms

Learn More

Datasheet

2,804In Stock

More Info Available

$1.31

$0.83

$0.708

$0.679

Reel

$0.587

View

Min.: 1
Mult.: 1

: 500

Over Current Protection Leaded Disk Style

4.6 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 130C, DIN 40081/40082 standard

YAM3 130 05 520 180 180 520
Microtherm Sentronic
1: $6.29
101In Stock
100On Order
New Product

Mfr. Part No.
YAM3 130 05 520 180 180 520

Mouser Part No
256-YAM313005520520

New Product

Microtherm Sentronic

PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 130C, DIN 40081/40082 standard

Learn More

Datasheet

101In Stock

100On Order

$6.29

$5.59

$5.03

$4.76

View

Min.: 1
Mult.: 1

YAM3 Series

300 Ohms

5 %

Wire Lead

+ 130 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors PTC 110Deg C Temp

PTCSL03T111DT1E
Vishay / BC Components
1: $0.74
3,889In Stock

Mfr. Part No.
PTCSL03T111DT1E

Mouser Part No
594-PTCSL03T111DT1E

Vishay / BC Components

PTC (Positive Temperature Coefficient) Thermistors PTC 110Deg C Temp

Learn More

Datasheet

3,889In Stock

Cut Tape

$0.74

$0.697

$0.652

$0.616

View

Reel

$0.434

Min.: 1
Mult.: 1

: 2,000

PTCSL03

20 Ohms to 120 Ohms

PCB Mount

Radial

- 40 C

+ 110 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors PTC 220ohms 1%

TFPT0603L2200FV
Vishay / Dale
1: $1.07
6,764In Stock

Mfr. Part No.
TFPT0603L2200FV

Mouser Part No
71-TFPT0603L2200FV

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors PTC 220ohms 1%

Learn More

Datasheet

6,764In Stock

Cut Tape

$1.07

$1.02

$0.954

$0.745

Reel

$0.617

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

TFPT

220 Ohms

1 %

PCB Mount

SMD/SMT

- 55 C

+ 70 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors PTC 2.7Kohms 1% Linear

TFPT0805L2701FM
Vishay / Dale
1: $1.27
4,748In Stock

Mfr. Part No.
TFPT0805L2701FM

Mouser Part No
71-TFPT0805L2701FM

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors PTC 2.7Kohms 1% Linear

Learn More

Datasheet

4,748In Stock

Cut Tape

$1.27

$0.951

$0.761

$0.716

View

Reel

$0.532

MouseReel Available

Min.: 1
Mult.: 1

: 5,000

TFPT

2.7 kOhms

1 %

PCB Mount

SMD/SMT

- 55 C

+ 70 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors T=5K 120deg C

B59008C0120A040
TDK
1: $1.33
2,810In Stock

Mfr. Part No.
B59008C0120A040

Mouser Part No
871-B59008C120A40

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 120deg C

Learn More

Datasheet

2,810In Stock

$1.33

$1.27

$1.19

$1.14

View

Min.: 1
Mult.: 1

B59008

250 Ohms

PCB Mount

Radial

0 C

+ 40 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors 220C 400V 80ohms PTC for Heating Apps

B59102R0220A010
TDK
1: $0.96
2,179In Stock

Mfr. Part No.
B59102R0220A010

Mouser Part No
871-B59102R0220A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 220C 400V 80ohms PTC for Heating Apps

Learn More

Datasheet

2,179In Stock

$0.96

$0.91

$0.854

$0.815

View

Min.: 1
Mult.: 1

Heater Element Rectangular shape

1 kOhms

50 %

Clamp Mount

Pressure Contacts

- 40 C

+ 100 C

Tray

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor J 204-B 130-A 10 16X3,1

B59204J130B10
TDK
1: $7.66
261In Stock

Mfr. Part No.
B59204J130B10

Mouser Part No
871-B59204J130B10

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor J 204-B 130-A 10 16X3,1

Learn More

261In Stock

$7.66

$6.92

$6.64

$6.31

View

Min.: 1
Mult.: 1

B59204

100 Ohms

25 %

- 40 C

+ 125 C

Tray

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 115C Temperature Sensor

B59421A0115A062
TDK
1: $0.43
14,530In Stock

Mfr. Part No.
B59421A0115A062

Mouser Part No
871-B59421A0115A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0402 470ohms 115C Temperature Sensor

Learn More

Datasheet

14,530In Stock

Cut Tape

$0.43

$0.404

$0.376

$0.358

View

Reel

$0.246

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 0603 470ohms 105C Temperature Sensor

B59641A0105A062
TDK
1: $0.30
49,288In Stock

Mfr. Part No.
B59641A0105A062

Mouser Part No
871-B59641A0105A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 105C Temperature Sensor

Learn More

Datasheet

49,288In Stock

Cut Tape

$0.30

$0.283

$0.25

$0.238

Reel

$0.17

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 70C Temperature Sensor

B59701A0070A062
TDK
1: $0.68
6,665In Stock

Mfr. Part No.
B59701A0070A062

Mouser Part No
871-B59701A0070A062

TDK

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

Learn More

Datasheet

6,665In Stock

Cut Tape

$0.68

$0.637

$0.596

$0.567

View

Reel

$0.414

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

Surface Mount Limit Temperature Sensor

PCB Mount

SMD/SMT

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 5.5A 0.8ohms

B59955C0120A070
TDK
1: $1.77
3,874In Stock

Mfr. Part No.
B59955C0120A070

Mouser Part No
871-B59955C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 5.5A 0.8ohms

Learn More

Datasheet

3,874In Stock

$1.77

$1.63

$1.53

$1.36

Reel

$0.95

View

Min.: 1
Mult.: 1

: 1,000

Over Current Protection Leaded Disk Style

800 mOhms

25 %

PCB Mount

Radial

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors PTC 3.9Kohms 1% Linear

TFPT0805L3901FV
Vishay / Dale
1: $1.11
3,036In Stock

Mfr. Part No.
TFPT0805L3901FV

Mouser Part No
71-TFPT0805L3901FV

Vishay / Dale

PTC (Positive Temperature Coefficient) Thermistors PTC 3.9Kohms 1% Linear

Learn More

Datasheet

3,036In Stock

Cut Tape

$1.11

$1.05

$0.984

$0.939

Reel

$0.763

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

TFPT

3.9 kOhms

1 %

PCB Mount

SMD/SMT

- 55 C

+ 70 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603

PRF18BA471QB5RB
Murata Electronics
1: $0.19
17,933In Stock

Mfr. Part No.
PRF18BA471QB5RB

Mouser Part No
81-PRF18BA471QB5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603

Learn More

Datasheet

17,933In Stock

More Info Available

Cut Tape

$0.19

$0.174

$0.153

$0.145

View

Reel

$0.08

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRF

470 Ohms

50 %

PCB Mount

SMD/SMT

- 20 C

+ 150 C

Reel, Cut Tape, MouseReel

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

B59052D1120A040
TDK
1: $1.51
2,949In 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

2,949In Stock

$1.51

$1.44

$1.36

$1.30

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 Thru-hole Coated 110V Overcurrent

B59870C0120A070
TDK
1: $1.65
11,179In Stock
7,244On Order

Mfr. Part No.
B59870C0120A070

Mouser Part No
871-B59870C0120A070

TDK

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

Learn More

Datasheet

11,179In Stock

7,244On Order

$1.65

$1.52

$1.41

$1.26

Reel

$0.961

View

Min.: 1
Mult.: 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 885A 120A 51 5X2.5 PTC Thermistor

B59885C0120A051
TDK
1: $1.42
2,454In Stock

Mfr. Part No.
B59885C0120A051

Mouser Part No
871-B59885C0120A051

TDK

PTC (Positive Temperature Coefficient) Thermistors 885A 120A 51 5X2.5 PTC Thermistor

Learn More

Datasheet

2,454In Stock

Cut Tape

$1.42

$1.31

$1.21

$0.968

View

Reel

$0.635

Min.: 1
Mult.: 1

: 1,500

B59885

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603

PRF18BB471QS5RB
Murata Electronics
1: $0.44
7,467In Stock
4,000On Order

Mfr. Part No.
PRF18BB471QS5RB

Mouser Part No
81-PRF18BB471QS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603

Learn More

Datasheet

7,467In Stock

4,000On Order

Cut Tape

$0.44

$0.413

$0.385

$0.366

View

Reel

$0.249

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 150C 400V 90ohms PTC for Heating Apps

B59102R0150A010
TDK
1: $0.96
14,346In Stock

Mfr. Part No.
B59102R0150A010

Mouser Part No
871-B59102R0150A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 150C 400V 90ohms PTC for Heating Apps

Learn More

Datasheet

14,346In Stock

$0.96

$0.91

$0.854

$0.815

View

Min.: 1
Mult.: 1

Heater Element Rectangular shape

700 Ohms

50 %

Clamp Mount

Pressure Contacts

- 40 C

+ 100 C

Tray

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

B59215P1080A62
TDK
1: $1.94
832In Stock
5,000On Order

Mfr. Part No.
B59215P1080A62

Mouser Part No
871-B59215P1080A62

TDK

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

Learn More

Datasheet

832In Stock

5,000On Order

Cut Tape

$1.94

$1.79

$1.53

$1.43

Reel

$0.993

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

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2381
B57213
B57237
B57238
B59004
B59006
B59008
B59012
B59050
B59084
B59100
B59102
B59116S
B59196
B59201
B59204
B59249R
B59314
B59601
B597

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