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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 15 OHM 20% SMD 0805

PRG21BB150MB1RK
Murata Electronics
1: $0.775
10,174In Stock

Mfr. Part No.
PRG21BB150MB1RK

Mouser Part No
81-PRG21BB150MB1RK

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 15 OHM 20% SMD 0805

Learn More

Datasheet

10,174In Stock

Cut Tape

$0.775

$0.707

$0.588

$0.568

View

Reel

$0.354

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PRG21-MB1RK

15 Ohms

20 %

PCB Mount

SMD/SMT

- 10 C

+ 60 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0.2 OHM 20% SMD 0805

PRG21BC0R2MM1RA
Murata Electronics
1: $1.02
8,126In Stock

Mfr. Part No.
PRG21BC0R2MM1RA

Mouser Part No
81-PRG21BC0R2MM1RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 0.2 OHM 20% SMD 0805

Learn More

Datasheet

8,126In Stock

Cut Tape

$1.02

$0.933

$0.775

$0.743

View

Reel

$0.452

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRG21-MM1RA

200 mOhms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 00C 12Vdc 20ohms Disc PTC Heating

B59060A0000A010
TDK
1: $2.03
3,445In Stock

Mfr. Part No.
B59060A0000A010

Mouser Part No
871-B59060A0000A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 00C 12Vdc 20ohms Disc PTC Heating

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Datasheet

3,445In Stock

$2.03

$1.93

$1.82

$1.74

View

Min.: 1
Mult.: 1

Limit Temperature Sensor Housing style

Tray

PTC (Positive Temperature Coefficient) Thermistors 40C 12Vdc 4ohms Disc PTC Heating

B59060A0040A010
TDK
1: $2.03
3,070In Stock

Mfr. Part No.
B59060A0040A010

Mouser Part No
871-B59060A0040A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 40C 12Vdc 4ohms Disc PTC Heating

Learn More

Datasheet

3,070In Stock

$2.03

$1.93

$1.82

$1.63

View

Min.: 1
Mult.: 1

Limit Temperature Sensor Housing style

9 Ohms

30 %

Clamp Mount

Pressure Contacts

- 40 C

+ 100 C

Tray

PTC (Positive Temperature Coefficient) Thermistors 1210 80VDC 50mA PTC Overcurrent

B59707A0120A062
TDK
1: $1.18
35,443In Stock
16,995Expected 27/8/2026

Mfr. Part No.
B59707A0120A062

Mouser Part No
871-B59707A0120A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 1210 80VDC 50mA PTC Overcurrent

Learn More

Datasheet

35,443In Stock

16,995Expected 27/8/2026

Cut Tape

$1.18

$1.09

$0.991

$0.879

View

Reel

$0.589

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

Surface Mount Limit Temperature Sensor

PCB Mount

SMD/SMT

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor B 772A 120A 70 8x5

B59772B0120A070
TDK
1: $1.93
2,004In Stock
End of Life

Mfr. Part No.
B59772B0120A070

Mouser Part No
871-B59772B120A70

End of Life

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor B 772A 120A 70 8x5

Learn More

Datasheet

2,004In Stock

$1.93

$1.85

$1.74

$1.67

Reel

$1.39

View

Min.: 1
Mult.: 1

: 1,000

B59772

150 Ohms

25 %

Through Hole

0 C

+ 60 C

Ammo Pack

PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 170C, DIN 40081/40082 standard

YAM3 170 05 520 180 180 520
Microtherm Sentronic
1: $8.55
500In Stock

Mfr. Part No.
YAM3 170 05 520 180 180 520

Mouser Part No
256-YAM317005520520

Microtherm Sentronic

PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 170C, DIN 40081/40082 standard

Learn More

Datasheet

500In Stock

$8.55

$7.60

$6.84

$6.47

View

Min.: 1
Mult.: 1

YAM3 Series

300 Ohms

5 %

Wire Lead

+ 170 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 180C, DIN 40081/40082 standard

YAM3 180 05 520 180 180 520
Microtherm Sentronic
1: $8.55
477In Stock

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

Mouser Part No
256-YAM318005520520

Microtherm Sentronic

PTC (Positive Temperature Coefficient) Thermistors PTC Temperature Sensor (Triple), Switch-off temp 180C, DIN 40081/40082 standard

Learn More

Datasheet

477In Stock

$8.55

$7.60

$6.84

$6.47

View

Min.: 1
Mult.: 1

YAM3 Series

300 Ohms

5 %

Wire Lead

+ 180 C

Bulk

PTC (Positive Temperature Coefficient) Thermistors PTC ICL LDD 12D5 250R 680 135 T E3

PTCEL13R251NTE
Vishay
1: $3.28
936In Stock

Mfr. Part No.
PTCEL13R251NTE

Mouser Part No
594-PTCEL13R251NTE

Vishay

PTC (Positive Temperature Coefficient) Thermistors PTC ICL LDD 12D5 250R 680 135 T E3

Learn More

Datasheet

936In Stock

Cut Tape

$3.28

$3.03

$2.91

$2.49

Reel

$1.93

View

Min.: 1
Mult.: 1

: 500

PTCEL Series

250 Ohms

30 %

Through Hole

Radial

- 40 C

+ 105 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 500VDC 500ohms 350VAC 30%

B59404J0170A062
TDK
1: $8.31
204In Stock
900Expected 7/12/2026

Mfr. Part No.
B59404J0170A062

Mouser Part No
871-B59404J0170A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 500VDC 500ohms 350VAC 30%

Learn More

Datasheet

204In Stock

900Expected 7/12/2026

Cut Tape

$8.31

$7.48

$7.17

$6.80

View

Reel

$5.37

MouseReel Available

Min.: 1
Mult.: 1

: 900

J404

500 Ohms

30 %

PCB Mount

SMD/SMT

- 40 C

+ 125 C

AEC-Q200

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors

PRG15BC180MM1RC
Murata Electronics
1: $0.258
8,550In Stock
NRND

Mfr. Part No.
PRG15BC180MM1RC

Mouser Part No
81-PRG15BC180MM1RC

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

8,550In Stock

Cut Tape

$0.258

$0.228

$0.19

$0.158

Reel

$0.091

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

PRG15-MM1RC

18 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0603

PRG18BC2R2MM1RB
Murata Electronics
1: $0.462
Non-Stocked Lead-Time 10 Weeks
NRND

Mfr. Part No.
PRG18BC2R2MM1RB

Mouser Part No
81-PRG18BC2R2MM1RB

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0603

Learn More

Datasheet

Non-Stocked Lead-Time 10 Weeks

Cut Tape

$0.462

$0.426

$0.377

$0.358

Reel

$0.261

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRG18-MM1RB

2.2 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors

PRG21BC2R2MM1RK
Murata Electronics
1: $0.734
1,519In Stock
NRND

Mfr. Part No.
PRG21BC2R2MM1RK

Mouser Part No
81-PRG21BC2R2MM1RK

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

1,519In Stock

Cut Tape

$0.734

$0.685

$0.639

$0.608

View

Reel

$0.439

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PRG21-MM1RK

2.2 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors

PRG21BC6R8MM1RK
Murata Electronics
1: $1.13
1,060In Stock
NRND

Mfr. Part No.
PRG21BC6R8MM1RK

Mouser Part No
81-PRG21BC6R8MM1RK

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

1,060In Stock

Cut Tape

$1.13

$0.874

$0.752

$0.726

View

Reel

$0.413

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PRG21-MM1RK

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 6.8 OHM 20% SMD 0805

PRG21BC6R8MM1RA
Murata Electronics
1: $0.68
18,755In Stock
16,000Expected 23/11/2026

Mfr. Part No.
PRG21BC6R8MM1RA

Mouser Part No
81-PRG21BC6R8MM1RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 6.8 OHM 20% SMD 0805

Learn More

Datasheet

18,755In Stock

16,000Expected 23/11/2026

Cut Tape

$0.68

$0.638

$0.594

$0.566

View

Reel

$0.381

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRG21-MM1RA

6.8 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors T=5K 110deg C

B59008C0110A040
TDK
1: $2.37
8,726In Stock

Mfr. Part No.
B59008C0110A040

Mouser Part No
871-B59008C110A40

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 110deg C

Learn More

Datasheet

8,726In Stock

$2.37

$2.26

$1.92

$1.88

View

Min.: 1
Mult.: 1

B59008

250 Ohms

PCB Mount

Radial

0 C

+ 40 C

Bulk

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

B59008C0120A040
TDK
1: $1.97
2,110In Stock

Mfr. Part No.
B59008C0120A040

Mouser Part No
871-B59008C120A40

TDK

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

Learn More

Datasheet

2,110In 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 T=5K 70deg C

B59008C0070A040
TDK
1: $1.97
3,999In Stock

Mfr. Part No.
B59008C0070A040

Mouser Part No
871-B59008C70A40

TDK

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

Learn More

Datasheet

3,999In 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 T=5K 80deg C

B59008C0080A040
TDK
1: $1.97
1,769In Stock

Mfr. Part No.
B59008C0080A040

Mouser Part No
871-B59008C80A40

TDK

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

Learn More

Datasheet

1,769In 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
225In 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

225In 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: $15.98
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

$15.98

$13.67

$12.54

$12.02

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: $2.05
5,656In 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

5,656In Stock

$2.05

$1.96

$1.85

$1.77

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 80-A 40 NAT 80 Grade C

B59052D1080A040
TDK
1: $2.05
3,010In Stock

Mfr. Part No.
B59052D1080A040

Mouser Part No
871-B59052D1080A040

TDK

PTC (Positive Temperature Coefficient) Thermistors D 052-A 80-A 40 NAT 80 Grade C

Datasheet

3,010In Stock

$2.05

$1.96

$1.85

$1.77

View

Min.: 1
Mult.: 1

Ultrasonic Sensor Disc

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

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