Thermistors

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Murata Thermistors use semi-conductive ceramic and electrode printing techniques to form a temperature sensor with negative temperature characteristics, meaning resistant values decrease as ambient temperatures rise. Murata Thermistors are used widely for temperature detection devices, inrush current protection, and temperature compensation in electronics such as mobile devices, secondary batteries, and automobiles. Murata offers a variety of thermistor products to meet the demands of many applications.

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Types of Thermistors

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Part #

PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805

PRF21BB471QB5RA
Murata Electronics
1: $0.476
1,430In Stock

Mfr. Part No.
PRF21BB471QB5RA

Mouser Part No
81-PRF21BB471QB5RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805

Learn More

Datasheet

1,430In Stock

Cut Tape

$0.476

$0.447

$0.394

$0.375

Reel

$0.256

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

470 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

PTC (Positive Temperature Coefficient) Thermistors

PRF21BD471QB5RA
Murata Electronics
1: $0.612
1,018In Stock

Mfr. Part No.
PRF21BD471QB5RA

Mouser Part No
81-PRF21BD471QB5RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

1,018In Stock

Cut Tape

$0.612

$0.51

$0.449

$0.392

Reel

$0.267

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

470 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603

PRG18BB101MS1RB
Murata Electronics
1: $0.68
2,638In Stock

Mfr. Part No.
PRG18BB101MS1RB

Mouser Part No
81-PRG18BB101MS1RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603

Learn More

Datasheet

2,638In Stock

Cut Tape

$0.68

$0.627

$0.60

$0.521

View

Reel

$0.325

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

100 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

PTC (Positive Temperature Coefficient) Thermistors 220 OHM 20% SMD 0603

PRG18BB221MB1RB
Murata Electronics
1: $0.34
2,224In Stock
56,000Expected 8/10/2026

Mfr. Part No.
PRG18BB221MB1RB

Mouser Part No
81-PRG18BB221MB1RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 220 OHM 20% SMD 0603

Learn More

Datasheet

2,224In Stock

56,000Expected 8/10/2026

Cut Tape

$0.34

$0.313

$0.26

$0.216

Reel

$0.139

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

220 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

PTC (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805

PRG21AR220MS1RK
Murata Electronics
1: $0.816
6,644In Stock

Mfr. Part No.
PRG21AR220MS1RK

Mouser Part No
81-PRG21AR220MS1RK

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805

Learn More

Datasheet

6,644In Stock

Cut Tape

$0.816

$0.67

$0.641

$0.558

View

Reel

$0.37

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PTC Thermistors

22 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805

PRG21AR420MS1RA
Murata Electronics
1: $0.68
1,242In Stock

Mfr. Part No.
PRG21AR420MS1RA

Mouser Part No
81-PRG21AR420MS1RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805

Learn More

Datasheet

1,242In Stock

Cut Tape

$0.68

$0.627

$0.60

$0.521

View

Reel

$0.333

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

42 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

PTC (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805

PRG21BB220MB1RK
Murata Electronics
1: $0.775
262In Stock
12,000On Order

Mfr. Part No.
PRG21BB220MB1RK

Mouser Part No
81-PRG21BB220MB1RK

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805

Learn More

Datasheet

262In Stock

12,000On Order

Cut Tape

$0.775

$0.706

$0.586

$0.568

View

Reel

$0.35

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PTC Thermistors

22 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

PTC (Positive Temperature Coefficient) Thermistors 0.6 OHM 20% SMD 0805

PRG21BC0R6MM1RA
Murata Electronics
1: $0.884
3,870In Stock

Mfr. Part No.
PRG21BC0R6MM1RA

Mouser Part No
81-PRG21BC0R6MM1RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 0.6 OHM 20% SMD 0805

Learn More

Datasheet

3,870In Stock

Cut Tape

$0.884

$0.816

$0.792

$0.677

View

Reel

$0.457

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

600 mOhms

PCB Mount

SMD/SMT

PTC (Positive Temperature Coefficient) Thermistors 1 OHM 20% SMD 0805

PRG21BC1R0MM1RA
Murata Electronics
1: $0.83
4,759In Stock

Mfr. Part No.
PRG21BC1R0MM1RA

Mouser Part No
81-PRG21BC1R0MM1RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 1 OHM 20% SMD 0805

Learn More

Datasheet

4,759In Stock

Cut Tape

$0.83

$0.759

$0.733

$0.63

View

Reel

$0.422

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

1 Ohms

PCB Mount

SMD/SMT

PTC (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0805

PRG21BC2R2MM1RA
Murata Electronics
1: $0.816
1,258In Stock
12,000On Order

Mfr. Part No.
PRG21BC2R2MM1RA

Mouser Part No
81-PRG21BC2R2MM1RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0805

Learn More

Datasheet

1,258In Stock

12,000On Order

Cut Tape

$0.816

$0.744

$0.698

$0.619

View

Reel

$0.413

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

2.2 Ohms

PCB Mount

SMD/SMT

PTC (Positive Temperature Coefficient) Thermistors

PRG21BC3R3MM1RA
Murata Electronics
1: $0.857
4,439In Stock

Mfr. Part No.
PRG21BC3R3MM1RA

Mouser Part No
81-PRG21BC3R3MM1RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

4,439In Stock

Cut Tape

$0.857

$0.789

$0.763

$0.654

View

Reel

$0.441

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

3.3 Ohms

PCB Mount

SMD/SMT

PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805

PRG21BC4R7MM1RA
Murata Electronics
1: $0.68
4,420In Stock
4,000Expected 28/9/2026

Mfr. Part No.
PRG21BC4R7MM1RA

Mouser Part No
81-PRG21BC4R7MM1RA

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805

Learn More

Datasheet

4,420In Stock

4,000Expected 28/9/2026

Cut Tape

$0.68

$0.639

$0.596

$0.567

View

Reel

$0.412

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

4.7 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

NTC (Negative Temperature Coefficient) Thermistors 0603 5V 480kOhm 3% Op Temp -40+125C

NCU18WM474E60RB
Murata Electronics
1: $0.245
8,584In Stock

Mfr. Part No.
NCU18WM474E60RB

Mouser Part No
81-NCU18WM474E60RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors 0603 5V 480kOhm 3% Op Temp -40+125C

Learn More

Datasheet

8,584In Stock

Cut Tape

$0.245

$0.203

$0.178

$0.143

Reel

$0.114

View

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

470 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors

NCP18WB333E03RB
Murata Electronics
1: $0.218
7,800In Stock

Mfr. Part No.
NCP18WB333E03RB

Mouser Part No
81-NCP18WB333E03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

7,800In Stock

Cut Tape

$0.218

$0.197

$0.173

$0.165

Reel

$0.114

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

33 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors

NCP18WB473D03RB
Murata Electronics
1: $0.544
4,160In Stock

Mfr. Part No.
NCP18WB473D03RB

Mouser Part No
81-NCP18WB473D03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

4,160In Stock

Cut Tape

$0.544

$0.513

$0.454

$0.432

Reel

$0.322

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

47 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors

NCP18WB473E03RB
Murata Electronics
1: $0.231
7,540In Stock

Mfr. Part No.
NCP18WB473E03RB

Mouser Part No
81-NCP18WB473E03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

7,540In Stock

Cut Tape

$0.231

$0.218

$0.19

$0.17

Reel

$0.126

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

47 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors 47K OHM 1%

NCP18WB473F10RB
Murata Electronics
1: $0.326
4,226In Stock

Mfr. Part No.
NCP18WB473F10RB

Mouser Part No
81-NCP18WB473F10RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors 47K OHM 1%

Learn More

Datasheet

4,226In Stock

Cut Tape

$0.326

$0.301

$0.265

$0.237

Reel

$0.167

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

47 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors 68K OHM 3%

NCP18WD683E03RB
Murata Electronics
1: $0.218
6,798In Stock

Mfr. Part No.
NCP18WD683E03RB

Mouser Part No
81-NCP18WD683E03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors 68K OHM 3%

Learn More

Datasheet

6,798In Stock

Cut Tape

$0.218

$0.201

$0.177

$0.167

Reel

$0.121

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

68 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors 68K OHM 5%

NCP18WD683J03RB
Murata Electronics
1: $0.218
441In Stock
8,000Expected 23/10/2026

Mfr. Part No.
NCP18WD683J03RB

Mouser Part No
81-NCP18WD683J03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors 68K OHM 5%

Learn More

Datasheet

441In Stock

8,000Expected 23/10/2026

Cut Tape

$0.218

$0.201

$0.177

$0.167

Reel

$0.121

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

68 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors 100K OHM 5%

NCP18WF104J03RB
Murata Electronics
1: $0.204
17,557In Stock
16,000Expected 1/10/2026

Mfr. Part No.
NCP18WF104J03RB

Mouser Part No
81-NCP18WF104J03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors 100K OHM 5%

Learn More

Datasheet

17,557In Stock

16,000Expected 1/10/2026

Cut Tape

$0.204

$0.181

$0.159

$0.155

Reel

$0.114

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

100 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors 220K OHM 3%

NCP18WM224E03RB
Murata Electronics
1: $0.218
1,992In Stock
4,000Expected 5/10/2026

Mfr. Part No.
NCP18WM224E03RB

Mouser Part No
81-NCP18WM224E03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors 220K OHM 3%

Learn More

Datasheet

1,992In Stock

4,000Expected 5/10/2026

Cut Tape

$0.218

$0.201

$0.177

$0.167

Reel

$0.121

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

220 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors 220K OHM 5%

NCP18WM224J03RB
Murata Electronics
1: $0.218
3,695In Stock

Mfr. Part No.
NCP18WM224J03RB

Mouser Part No
81-NCP18WM224J03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors 220K OHM 5%

Learn More

Datasheet

3,695In Stock

Cut Tape

$0.218

$0.201

$0.177

$0.167

Reel

$0.114

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

220 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors

NCP18WM474E03RB
Murata Electronics
1: $0.218
389In Stock
8,000Expected 30/10/2026

Mfr. Part No.
NCP18WM474E03RB

Mouser Part No
81-NCP18WM474E03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors

Learn More

Datasheet

389In Stock

8,000Expected 30/10/2026

Cut Tape

$0.218

$0.201

$0.177

$0.167

Reel

$0.121

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

470 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors 470K OHM 5%

NCP18WM474J03RB
Murata Electronics
1: $0.218
15,893In Stock

Mfr. Part No.
NCP18WM474J03RB

Mouser Part No
81-NCP18WM474J03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors 470K OHM 5%

Learn More

Datasheet

15,893In Stock

Cut Tape

$0.218

$0.201

$0.177

$0.167

Reel

$0.121

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

470 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

NTC (Negative Temperature Coefficient) Thermistors 10K OHM .5%

NCP18XH103D03RB
Murata Electronics
1: $0.394
2,362In Stock
32,000On Order

Mfr. Part No.
NCP18XH103D03RB

Mouser Part No
81-NCP18XH103D03RB

Murata Electronics

NTC (Negative Temperature Coefficient) Thermistors 10K OHM .5%

Learn More

Datasheet

2,362In Stock

32,000On Order

Cut Tape

$0.394

$0.371

$0.328

$0.311

Reel

$0.23

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

NTC Thermistors

10 kOhms

PCB Mount

SMD/SMT

0603 (1608 metric)

Thermistors

Types of Thermistors

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200 mOhms
600 mOhms
1 Ohms
2.2 Ohms
3.3 Ohms
4.7 Ohms
6.8 Ohms
15 Ohms
22 Ohms
33 Ohms
42 Ohms
47 Ohms
100 Ohms
220 Ohms
330 Ohms
470 Ohms
540 Ohms
680 Ohms
1 kOhms
1.5 kOhms