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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 440volts 56ohms ICL AEC-Q200

B59451C1130B70
TDK
1: Rp52.836
1.688In Stock

Mfr. Part No.
B59451C1130B70

Mouser Part No
871-B59451C1130B70

TDK

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

Learn More

Datasheet

1.688In Stock

Rp52.836

Rp48.800

Rp40.545

Rp37.426

Reel

Rp34.674

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: Rp9.540
6.174In Stock

Mfr. Part No.
B59601A0095A062

Mouser Part No
871-B59601A0095A062

TDK

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

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Datasheet

6.174In Stock

Cut Tape

Rp9.540

Rp8.953

Rp8.366

Rp7.944

View

Reel

Rp5.522

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 60Vdc 20mA PTC Overcurrent

B59622A0090A062
TDK
1: Rp12.475
3.645In Stock
4.000Expected 06/10/2026

Mfr. Part No.
B59622A0090A062

Mouser Part No
871-B59622A0090A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 60Vdc 20mA PTC Overcurrent

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Datasheet

3.645In Stock

4.000Expected 06/10/2026

Cut Tape

Rp12.475

Rp11.448

Rp9.503

Rp8.769

Rp7.889

Reel

Rp7.870

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Surface Mount Limit Temperature Sensor

220 Ohms

25 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0603 63Vdc 25mA PTC Overcurrent

B59623A0090A062
TDK
1: Rp20.914
5.842In Stock

Mfr. Part No.
B59623A0090A062

Mouser Part No
871-B59623A0090A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 63Vdc 25mA PTC Overcurrent

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Datasheet

5.842In Stock

Cut Tape

Rp20.914

Rp19.263

Rp15.869

Rp14.915

View

Reel

Rp9.522

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: Rp6.971
51.251In Stock

Mfr. Part No.
B59641A0075A062

Mouser Part No
871-B59641A75A62

TDK

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

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Datasheet

51.251In Stock

Cut Tape

Rp6.971

Rp6.458

Rp5.632

Rp4.972

Reel

Rp3.779

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 0805 680ohms 100C Temperature Sensor

B59701A0100A062
TDK
1: Rp12.842
14.090In Stock

Mfr. Part No.
B59701A0100A062

Mouser Part No
871-B59701A0100A062

TDK

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

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Datasheet

14.090In Stock

Cut Tape

Rp12.842

Rp12.145

Rp11.356

Rp10.824

View

Reel

Rp8.091

MouseReel Available

Min.: 1
Mult.: 1

: 4.000

Telecom Pair Protection Over current in Housing style

PCB Mount

SMD/SMT

Reel, Cut Tape, MouseReel

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

B59721A0070A062
TDK
1: Rp8.072
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

Rp8.072

Rp7.632

Rp7.118

Rp6.770

View

Reel

Rp4.678

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: Rp8.072
18.707In Stock

Mfr. Part No.
B59721A0080A062

Mouser Part No
871-B59721A0080A062

TDK

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

Learn More

Datasheet

18.707In Stock

Cut Tape

Rp8.072

Rp7.632

Rp7.118

Rp6.770

View

Reel

Rp5.008

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: Rp8.072
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

Rp8.072

Rp7.632

Rp7.118

Rp6.770

View

Reel

Rp5.008

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: Rp8.072
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

Rp8.072

Rp7.632

Rp7.118

Rp6.770

View

Reel

Rp5.119

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: Rp55.588
4.705In Stock
5.500Expected 08/10/2026

Mfr. Part No.
B59751C0120A070

Mouser Part No
871-B59751C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 280AC, 400DC,50oHMS

Learn More

Datasheet

4.705In Stock

5.500Expected 08/10/2026

Rp55.588

Rp46.782

Rp41.462

Rp39.444

Reel

Rp32.472

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: Rp44.581
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

Rp44.581

Rp42.563

Rp40.178

Rp38.527

Reel

Rp32.839

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: Rp41.829
2.658In Stock
1.500Expected 31/08/2026

Mfr. Part No.
B59753C0120A070

Mouser Part No
871-B59753C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 440AC,620DC,120oHMS PTC Thermistor

Learn More

Datasheet

2.658In Stock

1.500Expected 31/08/2026

Rp41.829

Rp38.894

Rp34.857

Rp33.206

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: Rp44.581
1.236In Stock

Mfr. Part No.
B59754C0120A070

Mouser Part No
871-B59754C120A70

TDK

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

Datasheet

1.236In Stock

Rp44.581

Rp42.563

Rp40.178

Rp38.527

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: Rp52.836
1.134In Stock
2.500Expected 21/09/2026

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 21/09/2026

Rp52.836

Rp48.800

Rp40.545

Rp37.426

Reel

Rp34.490

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: Rp52.103
1.586In Stock
4.000Expected 30/09/2026

Mfr. Part No.
B59758C0110A070

Mouser Part No
871-B59758C110A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 1000AC/DC,7.5KoHMS PTC Thermistor

Learn More

Datasheet

1.586In Stock

4.000Expected 30/09/2026

Rp52.103

Rp47.149

Rp42.012

Rp39.994

Reel

Rp39.077

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: Rp31.922
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

Rp31.922

Rp30.454

Rp28.620

Rp27.519

Reel

Rp22.749

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: Rp45.498
2.200In Stock
700Expected 31/08/2026

Mfr. Part No.
B59773C0120A070

Mouser Part No
871-B59773C120A70

TDK

PTC (Positive Temperature Coefficient) Thermistors 440AC,620DC,500oHMS PTC Thermistor

Learn More

Datasheet

2.200In Stock

700Expected 31/08/2026

Rp45.498

Rp37.059

Rp30.087

Rp27.886

Reel

Rp22.566

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: Rp41.095
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

Rp41.095

Rp39.260

Rp36.875

Rp35.408

Reel

Rp29.354

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 80A 70 16X2.5 PTC Thermistor

B59840C0080A070
TDK
1: Rp45.131
1.234In Stock

Mfr. Part No.
B59840C0080A070

Mouser Part No
871-B59840C0080A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 840A 80A 70 16X2.5 PTC Thermistor

Learn More

Datasheet

1.234In Stock

Rp45.131

Rp41.645

Rp37.609

Rp33.206

Reel

Rp24.217

View

Min.: 1
Mult.: 1

: 1.000

Over Current Protection Leaded Disk Style

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors 840A 130A 70 12X2.5 PTC Thermistor

B59840C0130A070
TDK
1: Rp31.188
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

Rp31.188

Rp28.803

Rp28.069

Rp24.033

View

Reel

Rp17.575

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: Rp45.131
2.772In 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

2.772In Stock

3.000Expected 16/11/2026

Rp45.131

Rp41.645

Rp35.591

Rp33.023

Reel

Rp25.684

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: Rp35.958
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

Rp35.958

Rp34.307

Rp32.289

Rp30.821

Reel

Rp25.868

View

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: Rp35.775
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

Rp35.775

Rp32.656

Rp28.069

Rp27.152

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: Rp30.087
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

Rp30.087

Rp27.702

Rp25.134

Rp22.749

Reel

Rp15.704

View

Min.: 1
Mult.: 1

: 1.300

Over Current Protection Leaded Disk Style

15 Ohms

25 %

PCB Mount

Radial

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