Thermistors – Mouser United Kingdom

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Automotive Circuit Protection / Thermistors

Murata Electronics Automotive Circuit Protection and Thermistors include a wide lineup of characteristics for various electronic devices, including smartphones and wearable terminals, and automobile/automotive devices. Heat is generated by applied voltage and current, and the resistance changes along with the temperature. Murata thermistors function as a heating element and thermo-sensitive device and play an active role in various applications, such as temperature sensors, circuit protection, and temperature compensation.

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Part #

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

PRF18BE471QB5RB
Murata Electronics
1: £0.127
23,276In Stock

Mfr. Part No.
PRF18BE471QB5RB

Mouser Part No
81-PRF18BE471QB5RB

Murata Electronics

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

Learn More

Datasheet

23,276In Stock

Cut Tape

£0.127

£0.115

£0.101

£0.096

Reel

£0.064

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

470 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

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

PRF18BB471QS5RB
Murata Electronics
1: £0.346
7,337In Stock

Mfr. Part No.
PRF18BB471QS5RB

Mouser Part No
81-PRF18BB471QS5RB

Murata Electronics

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

Learn More

Datasheet

7,337In Stock

Cut Tape

£0.346

£0.322

£0.30

£0.285

View

Reel

£0.185

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

470 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

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

PRG18BC4R7MM1RB
Murata Electronics
1: £0.255
12,630In Stock
NRND

Mfr. Part No.
PRG18BC4R7MM1RB

Mouser Part No
81-PRG18BC4R7MM1RB

NRND

Murata Electronics

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

Learn More

Datasheet

12,630In Stock

Cut Tape

£0.255

£0.236

£0.208

£0.182

Reel

£0.121

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

4.7 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

PTC (Positive Temperature Coefficient) Thermistors

PRG21BC1R0MM1RK
Murata Electronics
1: £0.39
25,091In Stock
NRND

Mfr. Part No.
PRG21BC1R0MM1RK

Mouser Part No
81-PRG21BC1R0MM1RK

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

25,091In Stock

Cut Tape

£0.39

£0.367

£0.341

£0.325

View

Reel

£0.196

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PTC Thermistors

1 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

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

PRF18AS471QS5RB
Murata Electronics
1: £0.248
4,000In Stock

Mfr. Part No.
PRF18AS471QS5RB

Mouser Part No
81-PRF18AS471QS5RB

Murata Electronics

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

Learn More

Datasheet

4,000In Stock

Cut Tape

£0.248

£0.21

£0.185

£0.148

Reel

£0.092

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

470 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

PTC (Positive Temperature Coefficient) Thermistors

PRF18BD471RS5RB
Murata Electronics
1: £0.39
69In Stock

Mfr. Part No.
PRF18BD471RS5RB

Mouser Part No
81-PRF18BD471RS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

69In Stock

£0.39

£0.296

£0.255

£0.21

View

Min.: 1
Mult.: 1

PTC Thermistors

470 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

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

PRF21BA471QB5RA
Murata Electronics
1: £0.263
6,271In Stock

Mfr. Part No.
PRF21BA471QB5RA

Mouser Part No
81-PRF21BA471QB5RA

Murata Electronics

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

Learn More

Datasheet

6,271In Stock

Cut Tape

£0.263

£0.247

£0.217

£0.207

Reel

£0.144

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 470 OHM 50% SMD 0805

PRF21BC471QB5RA
Murata Electronics
1: £0.346
7,670In Stock

Mfr. Part No.
PRF21BC471QB5RA

Mouser Part No
81-PRF21BC471QB5RA

Murata Electronics

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

Learn More

Datasheet

7,670In Stock

Cut Tape

£0.346

£0.296

£0.255

£0.21

Reel

£0.131

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 470 OHM 50% SMD 0603

PRF18BG471RB5RB
Murata Electronics
1: £0.308
4,047In Stock

Mfr. Part No.
PRF18BG471RB5RB

Mouser Part No
81-PRF18BG471RB5RB

Murata Electronics

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

Learn More

Datasheet

4,047In Stock

£0.308

£0.286

£0.253

£0.24

View

Min.: 1
Mult.: 1

PTC Thermistors

470 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

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

PRF18BC471RB5RB
Murata Electronics
1: £0.308
3,745In Stock

Mfr. Part No.
PRF18BC471RB5RB

Mouser Part No
81-PRF18BC471RB5RB

Murata Electronics

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

Learn More

Datasheet

3,745In Stock

Cut Tape

£0.308

£0.286

£0.253

£0.24

Reel

£0.18

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

470 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

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

PRF18BC471QS5RB
Murata Electronics
1: £0.346
10,680In Stock

Mfr. Part No.
PRF18BC471QS5RB

Mouser Part No
81-PRF18BC471QS5RB

Murata Electronics

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

Learn More

Datasheet

10,680In Stock

Cut Tape

£0.346

£0.322

£0.30

£0.285

View

Reel

£0.209

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

470 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

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

PRG18BB101MB1RB
Murata Electronics
1: £0.173
33,591In Stock
20,000Expected 21/08/2026

Mfr. Part No.
PRG18BB101MB1RB

Mouser Part No
81-PRG18BB101MB1RB

Murata Electronics

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

Learn More

Datasheet

33,591In Stock

20,000Expected 21/08/2026

Cut Tape

£0.173

£0.157

£0.138

£0.132

Reel

£0.094

View

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: £0.165
28,435In Stock

Mfr. Part No.
PRG18BB221MB1RB

Mouser Part No
81-PRG18BB221MB1RB

Murata Electronics

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

Learn More

Datasheet

28,435In Stock

Cut Tape

£0.165

£0.155

£0.136

£0.129

Reel

£0.096

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 33 OHM 20% SMD 0603

PRG18BB330MB1RB
Murata Electronics
1: £0.165
75,550In Stock
100,000Expected 31/07/2026

Mfr. Part No.
PRG18BB330MB1RB

Mouser Part No
81-PRG18BB330MB1RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603

Learn More

Datasheet

75,550In Stock

100,000Expected 31/07/2026

Cut Tape

£0.165

£0.155

£0.136

£0.128

Reel

£0.09

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

33 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603

PRG18BB330MS1RB
Murata Electronics
1: £0.271
9,425In Stock

Mfr. Part No.
PRG18BB330MS1RB

Mouser Part No
81-PRG18BB330MS1RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603

Learn More

Datasheet

9,425In Stock

Cut Tape

£0.271

£0.249

£0.233

£0.227

View

Reel

£0.176

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

33 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

PTC (Positive Temperature Coefficient) Thermistors

PRG18BC220MM1RB
Murata Electronics
1: £0.255
20,421In Stock

Mfr. Part No.
PRG18BC220MM1RB

Mouser Part No
81-PRG18BC220MM1RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

20,421In Stock

Cut Tape

£0.255

£0.237

£0.21

£0.199

Reel

£0.153

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

22 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

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

PRG21AR220MS1RK
Murata Electronics
1: £0.323
7,004In 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

7,004In Stock

Cut Tape

£0.323

£0.299

£0.279

£0.265

View

Reel

£0.196

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PTC Thermistors

22 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

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

PRG21BB150MB1RK
Murata Electronics
1: £0.361
10,954In 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

10,954In Stock

Cut Tape

£0.361

£0.336

£0.313

£0.298

View

Reel

£0.217

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PTC Thermistors

15 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

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

PRG21BC0R2MM1RA
Murata Electronics
1: £0.465
8,236In 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

8,236In Stock

Cut Tape

£0.465

£0.439

£0.41

£0.39

View

Reel

£0.288

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

200 mOhms

PCB Mount

SMD/SMT

0805 (2012 metric)

PTC (Positive Temperature Coefficient) Thermistors

PRG15BC180MM1RC
Murata Electronics
1: £0.127
9,350In Stock
NRND

Mfr. Part No.
PRG15BC180MM1RC

Mouser Part No
81-PRG15BC180MM1RC

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

9,350In Stock

Cut Tape

£0.127

£0.115

£0.10

£0.095

Reel

£0.065

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

PTC Thermistors

18 Ohms

PCB Mount

SMD/SMT

0402 (1005 metric)

PTC (Positive Temperature Coefficient) Thermistors 1 OHM 20% SMD 0603

PRG18BC1R0MM1RB
Murata Electronics
1: £0.255
3,055In Stock
NRND

Mfr. Part No.
PRG18BC1R0MM1RB

Mouser Part No
81-PRG18BC1R0MM1RB

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 1 OHM 20% SMD 0603

Learn More

Datasheet

3,055In Stock

Cut Tape

£0.255

£0.237

£0.21

£0.20

Reel

£0.148

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

1 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

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

PRG18BC2R2MM1RB
Murata Electronics
1: £0.255
Non-Stocked Lead-Time 12 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 12 Weeks

Cut Tape

£0.255

£0.235

£0.208

£0.197

Reel

£0.147

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

2.2 Ohms

PCB Mount

SMD/SMT

0603 (1608 metric)

PTC (Positive Temperature Coefficient) Thermistors

PRG21AR4R7MS5RA
Murata Electronics
1: £0.458
2,637In Stock
NRND

Mfr. Part No.
PRG21AR4R7MS5RA

Mouser Part No
81-PRG21AR4R7MS5RA

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

2,637In Stock

£0.458

£0.43

£0.402

£0.382

View

Reel

£0.271

Min.: 1
Mult.: 1

: 4,000

PTC Thermistors

4.7 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

PTC (Positive Temperature Coefficient) Thermistors

PRG21BC0R4MM1RK
Murata Electronics
1: £0.623
2,370In Stock
NRND

Mfr. Part No.
PRG21BC0R4MM1RK

Mouser Part No
81-PRG21BC0R4MM1RK

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

2,370In Stock

Cut Tape

£0.623

£0.475

£0.409

£0.395

View

Reel

£0.224

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PTC Thermistors

400 mOhms

PCB Mount

SMD/SMT

0805 (2012 metric)

PTC (Positive Temperature Coefficient) Thermistors

PRG21BC2R2MM1RK
Murata Electronics
1: £0.405
1,525In Stock
NRND

Mfr. Part No.
PRG21BC2R2MM1RK

Mouser Part No
81-PRG21BC2R2MM1RK

NRND

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

1,525In Stock

Cut Tape

£0.405

£0.378

£0.353

£0.335

View

Reel

£0.247

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PTC Thermistors

2.2 Ohms

PCB Mount

SMD/SMT

0805 (2012 metric)

Automotive Circuit Protection / Thermistors

Types of Thermistors

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200 mOhms
400 mOhms
600 mOhms
1 Ohms
1.5 Ohms
2.2 Ohms
3.3 Ohms
4.7 Ohms
6.8 Ohms
10 Ohms
15 Ohms
18 Ohms
22 Ohms
33 Ohms
42 Ohms
47 Ohms
68 Ohms
100 Ohms
220 Ohms
470 Ohms