.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 Amphenol, TDK, Murata, NXP, 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: 1,058

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 Thermistors 870A 130A 70 5X2.5 PTC Thermistor

B59870C0130A070
EPCOS / TDK
1: $1.61
8,336In Stock

Mfr. Part #
B59870C0130A070

Mouser Part #
871-B59870C0130A070

EPCOS / TDK

PTC Thermistors 870A 130A 70 5X2.5 PTC Thermistor

Learn More

Datasheet

8,336In Stock

$1.61

$1.42

$1.30

$1.19

Reel

$0.982

View

Min.: 1
Mult.: 1

Reel: 500

Over Current Protection Leaded Disk Style

50 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC Thermistors 150ohms 1% Linear

TFPT0603L1500FV
Vishay / Dale
1: $1.64
5,549In Stock

Mfr. Part #
TFPT0603L1500FV

Mouser Part #
71-TFPT0603L1500FV

Vishay / Dale

PTC Thermistors 150ohms 1% Linear

Learn More

Datasheet

5,549In Stock

Cut Tape

$1.64

$1.57

$1.46

$1.40

Reel

$1.06

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

TFPT

150 Ohms

1 %

PCB Mount

SMD/SMT

- 55 C

+ 70 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC Thermistors PTC 1Kohms 5% Linear

TFPT0805L1001JM
Vishay / Dale
1: $1.69
4,355In Stock

Mfr. Part #
TFPT0805L1001JM

Mouser Part #
71-TFPT0805L1001JM

Vishay / Dale

PTC Thermistors PTC 1Kohms 5% Linear

Learn More

Datasheet

4,355In Stock

Cut Tape

$1.69

$1.26

$1.01

$0.949

View

Reel

$0.60

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

TFPT

1 kOhms

5 %

PCB Mount

SMD/SMT

- 55 C

+ 70 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC Thermistors PTC 330ohms 1% Linear

TFPT0603L3300FM
Vishay / Dale
1: $1.15
13,544In Stock

Mfr. Part #
TFPT0603L3300FM

Mouser Part #
71-TFPT0603L3300FM

Vishay / Dale

PTC Thermistors PTC 330ohms 1% Linear

Learn More

Datasheet

13,544In Stock

Cut Tape

$1.15

$1.09

$1.02

$0.97

View

Reel

$0.677

MouseReel Available

Min.: 1
Mult.: 1

Reel: 5,000

TFPT

330 Ohms

1 %

PCB Mount

SMD/SMT

- 55 C

+ 70 C

AEC-Q100

Reel, Cut Tape, MouseReel

PTC Thermistors 470 OHM 50% SMD 0603

PRF18BB471QS5RB
Murata Electronics
1: $0.675
7,523In Stock

Mfr. Part #
PRF18BB471QS5RB

Mouser Part #
81-PRF18BB471QS5RB

Murata Electronics

PTC Thermistors 470 OHM 50% SMD 0603

Learn More

Datasheet

7,523In Stock

Cut Tape

$0.675

$0.634

$0.589

$0.56

View

Reel

$0.371

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape, MouseReel

PTC Thermistors 280Vac, 400Vdc 33ohms AEC-Q200

B59213J0130A020
EPCOS / TDK
1: $3.65
1,771In Stock

Mfr. Part #
B59213J0130A020

Mouser Part #
871-B59213J0130A020

EPCOS / TDK

PTC Thermistors 280Vac, 400Vdc 33ohms AEC-Q200

Learn More

Datasheet

1,771In Stock

$3.65

$3.44

$3.27

$3.18

View

Min.: 1
Mult.: 1

Surface Mount OverCurrent PTC

33 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

AEC-Q200

Case

PTC Thermistors 25 OHM 25% SMD 3225

B59215P1080A62
EPCOS / TDK
1: $2.44
832In Stock

Mfr. Part #
B59215P1080A62

Mouser Part #
871-B59215P1080A62

EPCOS / TDK

PTC Thermistors 25 OHM 25% SMD 3225

Learn More

Datasheet

832In Stock

Cut Tape

$2.44

$2.26

$1.96

$1.87

View

Reel

$1.11

MouseReel Available

Min.: 1
Mult.: 1

Reel: 1,000

B59x15

25 Ohms

25 %

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

PTC Thermistors 1000AC/DC,7.5KoHMS PTC Thermistor

B59758C0110A070
EPCOS / TDK
1: $3.76
6,428In Stock

Mfr. Part #
B59758C0110A070

Mouser Part #
871-B59758C110A70

EPCOS / TDK

PTC Thermistors 1000AC/DC,7.5KoHMS PTC Thermistor

Learn More

Datasheet

6,428In Stock

$3.76

$3.25

$3.12

$2.84

Reel

$2.36

View

Min.: 1
Mult.: 1

Reel: 500

Inrush Current Limiter Leaded Disk Type

7.5 kOhms

33 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

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

B59880C0130A070
EPCOS / TDK
1: $1.40
19,381In Stock

Mfr. Part #
B59880C0130A070

Mouser Part #
871-B59880C0130A070

EPCOS / TDK

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

Learn More

Datasheet

19,381In Stock

$1.40

$1.29

$1.14

$1.07

Reel

$0.832

View

Min.: 1
Mult.: 1

Reel: 500

Over Current Protection Leaded Disk Style

160 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC Thermistors

PRG21BC4R7MS5RA
Murata Electronics
1: $1.37
3,261In Stock
NRND

Mfr. Part #
PRG21BC4R7MS5RA

Mouser Part #
81-PRG21BC4R7MS5RA

NRND

Murata Electronics

PTC Thermistors

Learn More

Datasheet

3,261In Stock

Cut Tape

$1.37

$1.29

$1.21

$1.15

View

Reel

$0.901

Min.: 1
Mult.: 1

Reel: 4,000

PRG21-MS5RA

4.7 Ohms

20 %

PCB Mount

SMD/SMT

- 40 C

+ 85 C

Reel, Cut Tape

PTC Thermistors D 052-A 120-A 40 NAT 120 Grade C

B59052D1120A040
EPCOS / TDK
1: $1.90
2,961In Stock

Mfr. Part #
B59052D1120A040

Mouser Part #
871-B59052D1120A040

EPCOS / TDK

PTC Thermistors D 052-A 120-A 40 NAT 120 Grade C

Datasheet

2,961In Stock

$1.90

$1.81

$1.70

$1.63

View

Min.: 1
Mult.: 1

Limit Temperature Sensor Housing style

550 Ohms

Ring Lug

Radial

0 C

+ 40 C

Bulk

PTC Thermistors 0402 470ohms 125C Temperature Sensor

B59421A0125A062
EPCOS / TDK
1: $0.553
30,370In Stock

Mfr. Part #
B59421A0125A062

Mouser Part #
871-B59421A0125A062

EPCOS / TDK

PTC Thermistors 0402 470ohms 125C Temperature Sensor

Learn More

Datasheet

30,370In Stock

Cut Tape

$0.553

$0.482

$0.433

$0.393

Reel

$0.264

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 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 Thermistors Thru-hole Coated 110V Overcurrent

B59870C0120A070
EPCOS / TDK
1: $2.07
12,234In Stock

Mfr. Part #
B59870C0120A070

Mouser Part #
871-B59870C0120A070

EPCOS / TDK

PTC Thermistors Thru-hole Coated 110V Overcurrent

Learn More

Datasheet

12,234In Stock

$2.07

$1.90

$1.86

$1.58

Reel

$1.20

View

Min.: 1
Mult.: 1

Reel: 500

Over Current Protection Leaded Disk Style

25 Ohms

25 %

PCB Mount

Radial

- 40 C

+ 125 C

Ammo Pack

PTC Thermistors PTC Temperature Sensor EF1, Switch-off temp 080C, M4 thread Aluminum Hex, DIN 40081/40082 standard

EF1 080 05 500
Microtherm Sentronic
1: $9.66
170In Stock
New Product

Mfr. Part #
EF1 080 05 500

Mouser Part #
256-EF108005500

New Product

Microtherm Sentronic

PTC Thermistors PTC Temperature Sensor EF1, Switch-off temp 080C, M4 thread Aluminum Hex, DIN 40081/40082 standard

Learn More

Datasheet

170In Stock

$9.66

$8.58

$7.72

$7.31

View

Min.: 1
Mult.: 1

EF1 Series

100 Ohms

5 %

Wire Lead

+ 80 C

Bulk

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

YAM3 130 05 520 180 180 520
Microtherm Sentronic
1: $9.66
109In Stock
New Product

Mfr. Part #
YAM3 130 05 520 180 180 520

Mouser Part #
256-YAM313005520520

New Product

Microtherm Sentronic

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

Learn More

Datasheet

109In Stock

$9.66

$8.58

$7.72

$7.31

View

Min.: 1
Mult.: 1

YAM3 Series

300 Ohms

5 %

Wire Lead

+ 130 C

Bulk

PTC Thermistors PTC Temperature Sensor (Triple), Switch-off temp 155C, DIN 40081/40082 standard

YAM3 155 05 520 180 180 520
Microtherm Sentronic
1: $9.66
88In Stock
500Expected 2026-04-03
New Product

Mfr. Part #
YAM3 155 05 520 180 180 520

Mouser Part #
256-YAM315505520520

New Product

Microtherm Sentronic

PTC Thermistors PTC Temperature Sensor (Triple), Switch-off temp 155C, DIN 40081/40082 standard

Learn More

Datasheet

88In Stock

500Expected 2026-04-03

$9.66

$8.58

$7.72

$7.31

View

Min.: 1
Mult.: 1

YAM3 Series

300 Ohms

5 %

Wire Lead

+ 155 C

Bulk

PTC Thermistors PTCTELDD8D5025R0600MATTe3

PTCTL4MR250STE
Vishay / BC Components
1: $2.52
4,150In Stock

Mfr. Part #
PTCTL4MR250STE

Mouser Part #
594-PTCTL4MR250STE

Vishay / BC Components

PTC Thermistors PTCTELDD8D5025R0600MATTe3

Datasheet

4,150In Stock

$2.52

$1.89

$1.51

$1.42

View

Min.: 1
Mult.: 1

PTC

25 Ohms

20 %

Through Hole

Radial

0 C

+ 75 C

PTC Thermistors

PRF18BD471RS5RB
Murata Electronics
1: $0.798
79In Stock

Mfr. Part #
PRF18BD471RS5RB

Mouser Part #
81-PRF18BD471RS5RB

Murata Electronics

PTC Thermistors

Learn More

Datasheet

79In Stock

$0.798

$0.605

$0.522

$0.428

View

Min.: 1
Mult.: 1

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Bulk

PTC Thermistors PTCCPLDD10D5A360145140Be3

PTCCL11H361FBE
Vishay / BC Components
1: $3.04
166In Stock
1,000Expected 2026-04-23

Mfr. Part #
PTCCL11H361FBE

Mouser Part #
594-PTCCL11H361FBE

Vishay / BC Components

PTC Thermistors PTCCPLDD10D5A360145140Be3

Datasheet

166In Stock

1,000Expected 2026-04-23

$3.04

$2.29

$1.83

$1.77

View

Min.: 1
Mult.: 1

PTC

5.3 Ohms

20 %

Through Hole

Radial

0 C

+ 70 C

PTC Thermistors 22 OHM 20%

PTCCL09H171HTE
Vishay / BC Components
1: $2.16
1,500In Stock

Mfr. Part #
PTCCL09H171HTE

Mouser Part #
594-PTCCL09H171HTE

Vishay / BC Components

PTC Thermistors 22 OHM 20%

Datasheet

1,500In Stock

$2.16

$2.00

$1.84

$1.20

Min.: 1
Mult.: 1

PTC

22 Ohms

20 %

Through Hole

Radial

0 C

+ 70 C

PTC Thermistors 19 OHM 20%

PTCCL07H171FBE
Vishay / BC Components
1: $2.41
91In Stock

Mfr. Part #
PTCCL07H171FBE

Mouser Part #
594-PTCCL07H171FBE

Vishay / BC Components

PTC Thermistors 19 OHM 20%

Datasheet

91In Stock

$2.41

$1.81

$1.44

$1.35

View

Min.: 1
Mult.: 1

PTC

19 Ohms

20 %

Through Hole

Radial

0 C

+ 70 C

PTC Thermistors

PRF18BF471RS5RB
Murata Electronics
1: $0.798
3,890In Stock

Mfr. Part #
PRF18BF471RS5RB

Mouser Part #
81-PRF18BF471RS5RB

Murata Electronics

PTC Thermistors

Learn More

Datasheet

3,890In Stock

$0.798

$0.605

$0.522

$0.428

View

Min.: 1
Mult.: 1

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Bulk

PTC Thermistors

PRF18BC471RB5RB
Murata Electronics
1: $0.599
3,855In Stock

Mfr. Part #
PRF18BC471RB5RB

Mouser Part #
81-PRF18BC471RB5RB

Murata Electronics

PTC Thermistors

Learn More

Datasheet

3,855In Stock

Cut Tape

$0.599

$0.545

$0.471

$0.444

Reel

$0.368

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 4,000

PRF

470 Ohms

50 %

PCB Mount

SMD/SMT

- 20 C

+ 130 C

Reel, Cut Tape, MouseReel

PTC Thermistors 6ohms 20%

PTCCL05H271DBE
Vishay / BC Components
1: $1.21
2,133In Stock

Mfr. Part #
PTCCL05H271DBE

Mouser Part #
594-2381-660-52711

Vishay / BC Components

PTC Thermistors 6ohms 20%

Datasheet

2,133In Stock

$1.21

$1.15

$1.07

$1.03

View

Min.: 1
Mult.: 1

PTCCL - 30V/60V

6 Ohms

20 %

PCB Mount

Radial

- 40 C

+ 85 C

Bulk

PTC Thermistors 1.3ohms 25%

PTCCL21H102FBE
Vishay / BC Components
1: $5.88
462In Stock

Mfr. Part #
PTCCL21H102FBE

Mouser Part #
594-2381-664-51022

Vishay / BC Components

PTC Thermistors 1.3ohms 25%

Datasheet

462In Stock

$5.88

$5.80

$5.16

$4.90

View

Min.: 1
Mult.: 1

PTCCL - 145V

1.3 Ohms

25 %

PCB Mount

Radial

0 C

+ 70 C

Bulk

Thermistors - PTC

Mouser Electronics®

Company

Resources

Support

2322
2381
B57213
B57237
B57238
B59004
B59006
B59008
B59012
B59050
B59084
B59100
B59102
B59116S
B59196
B59201
B59204
B59249R
B59314
B59601

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