PTC (Positive Temperature Coefficient) Thermistors

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Automotive PRF PTC Thermistors

Murata Electronics Automotive PRF PTC Thermistors are designed to sense overheating in FETs, power ICs, and other heat-generating areas. Sharp changes in resistance allow these thermistors to accurately detect overheating in multiple areas by using a simple circuit that connects PTC thermistors in the PRF series. Other features include a faster response time, a wide sensing temperature, high reliability, and a compact design that saves board space. Suitable applications for PRF PTC thermistors from Murata include automotive, LED bulbs, mobile phones, power supplies, and motor controllers.

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Part #

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

PRF18BB471QS5RB
Murata Electronics
1: CHF 0.365
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

CHF 0.365

CHF 0.34

CHF 0.317

CHF 0.301

View

Reel

CHF 0.199

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape, MouseReel

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

PRF18AS471QS5RB
Murata Electronics
1: CHF 0.262
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

CHF 0.262

CHF 0.221

CHF 0.195

CHF 0.156

Reel

CHF 0.096

View

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors

PRF18BD471RS5RB
Murata Electronics
1: CHF 0.412
69In Stock

Mfr. Part No.
PRF18BD471RS5RB

Mouser Part No
81-PRF18BD471RS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

69In Stock

CHF 0.412

CHF 0.313

CHF 0.269

CHF 0.221

View

Min.: 1
Mult.: 1

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Bulk

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

PRF18BA471QS5RB
Murata Electronics
1: CHF 0.19
7’546In Stock

Mfr. Part No.
PRF18BA471QS5RB

Mouser Part No
81-PRF18BA471QS5RB

Murata Electronics

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

Learn More

Datasheet

7’546In Stock

Cut Tape

CHF 0.19

CHF 0.173

CHF 0.153

CHF 0.145

Reel

CHF 0.106

View

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors 0603 1kohm 125+/-5degC Curie Point 110degC

PRF03BA102QB7RL
Murata Electronics
1: CHF 0.095
10’500In Stock
New Product

Mfr. Part No.
PRF03BA102QB7RL

Mouser Part No
81-PRF03BA102QB7RL

New Product

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 0603 1kohm 125+/-5degC Curie Point 110degC

Learn More

Datasheet

10’500In Stock

Cut Tape

CHF 0.095

CHF 0.087

CHF 0.077

CHF 0.064

View

Reel

CHF 0.043

Min.: 1
Mult.: 1

: 15’000

PRF

1 kOhms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 0603 1kohm 125+/-5degC Curie Point 110degC

PRF03BA102QS7RL
Murata Electronics
1: CHF 0.119
9’100In Stock
New Product

Mfr. Part No.
PRF03BA102QS7RL

Mouser Part No
81-PRF03BA102QS7RL

New Product

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 0603 1kohm 125+/-5degC Curie Point 110degC

Learn More

Datasheet

9’100In Stock

Cut Tape

CHF 0.119

CHF 0.105

CHF 0.092

CHF 0.074

View

Reel

CHF 0.051

Min.: 1
Mult.: 1

: 15’000

PRF

1 kOhms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 0603 1kohm 95+/-5degC Curie Point 80degC

PRF03BD102QB7RL
Murata Electronics
1: CHF 0.095
10’500In Stock
New Product

Mfr. Part No.
PRF03BD102QB7RL

Mouser Part No
81-PRF03BD102QB7RL

New Product

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 0603 1kohm 95+/-5degC Curie Point 80degC

Learn More

Datasheet

10’500In Stock

Cut Tape

CHF 0.095

CHF 0.087

CHF 0.077

CHF 0.064

View

Reel

CHF 0.043

Min.: 1
Mult.: 1

: 15’000

PRF

1 kOhms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 120 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 0603 1kohm 95+/-5degC Curie Point 80degC

PRF03BD102QS7RL
Murata Electronics
1: CHF 0.119
10’472In Stock
New Product

Mfr. Part No.
PRF03BD102QS7RL

Mouser Part No
81-PRF03BD102QS7RL

New Product

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 0603 1kohm 95+/-5degC Curie Point 80degC

Learn More

Datasheet

10’472In Stock

Cut Tape

CHF 0.119

CHF 0.105

CHF 0.092

CHF 0.074

View

Reel

CHF 0.051

Min.: 1
Mult.: 1

: 15’000

PRF

1 kOhms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

Reel, Cut Tape

PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 105+/-5degC AEC-Q200

PRF03BC102QS7RL
Murata Electronics
1: CHF 0.103
14’890In Stock
New Product

Mfr. Part No.
PRF03BC102QS7RL

Mouser Part No
81-PRF03BC102QS7RL

New Product

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 105+/-5degC AEC-Q200

Learn More

Datasheet

14’890In Stock

Cut Tape

CHF 0.103

CHF 0.092

CHF 0.081

CHF 0.076

View

Reel

CHF 0.05

Min.: 1
Mult.: 1

: 15’000

PRF03_S

1 kOhms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape

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

PRF18BC471QS5RB
Murata Electronics
1: CHF 0.365
10’105In 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

10’105In Stock

Cut Tape

CHF 0.365

CHF 0.34

CHF 0.317

CHF 0.301

View

Reel

CHF 0.22

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors

PRF18BB471RS5RB
Murata Electronics
1: CHF 0.412
670In Stock

Mfr. Part No.
PRF18BB471RS5RB

Mouser Part No
81-PRF18BB471RS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

670In Stock

Cut Tape

CHF 0.412

CHF 0.313

CHF 0.269

CHF 0.221

Reel

CHF 0.15

View

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 20 C

+ 140 C

AEC-Q200

Reel, Cut Tape, MouseReel

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

PRF18BD471QS5RB
Murata Electronics
1: CHF 0.19
136In Stock
8’000Expected 8/12/2026

Mfr. Part No.
PRF18BD471QS5RB

Mouser Part No
81-PRF18BD471QS5RB

Murata Electronics

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

Learn More

Datasheet

136In Stock

8’000Expected 8/12/2026

Cut Tape

CHF 0.19

CHF 0.173

CHF 0.153

CHF 0.145

Reel

CHF 0.106

View

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape, MouseReel

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

PRF18BE471QS5RB
Murata Electronics
1: CHF 0.19
3’328In Stock
20’000Expected 10/19/2026

Mfr. Part No.
PRF18BE471QS5RB

Mouser Part No
81-PRF18BE471QS5RB

Murata Electronics

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

Learn More

Datasheet

3’328In Stock

20’000Expected 10/19/2026

Cut Tape

CHF 0.19

CHF 0.173

CHF 0.153

CHF 0.145

Reel

CHF 0.106

View

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors

PRF18BF471RS5RB
Murata Electronics
1: CHF 0.412
3’880In Stock

Mfr. Part No.
PRF18BF471RS5RB

Mouser Part No
81-PRF18BF471RS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

3’880In Stock

CHF 0.412

CHF 0.313

CHF 0.269

CHF 0.221

View

Min.: 1
Mult.: 1

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Bulk

PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 115+/-5degC AEC-Q200

PRF03BB102QS7RL
Murata Electronics
1: CHF 0.103
13’761Expected 8/10/2026
New Product

Mfr. Part No.
PRF03BB102QS7RL

Mouser Part No
81-PRF03BB102QS7RL

New Product

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors 0.6x0.3mm 1kohm 115+/-5degC AEC-Q200

Learn More

Datasheet

13’761Expected 8/10/2026

Cut Tape

CHF 0.103

CHF 0.092

CHF 0.081

CHF 0.076

View

Reel

CHF 0.05

Min.: 1
Mult.: 1

: 15’000

PRF03_S

1 kOhms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape

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

PRF18AR471QS5RB
Murata Electronics
1: CHF 0.262
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
PRF18AR471QS5RB

Mouser Part No
81-PRF18AR471QS5RB

Murata Electronics

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

CHF 0.262

CHF 0.221

CHF 0.195

CHF 0.156

View

Min.: 1
Mult.: 1

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Bulk

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

PRF18BC471RS5RB
Murata Electronics
1: CHF 0.412
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
PRF18BC471RS5RB

Mouser Part No
81-PRF18BC471RS5RB

Murata Electronics

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

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

CHF 0.412

CHF 0.313

CHF 0.269

CHF 0.221

View

Min.: 1
Mult.: 1

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Bulk

PTC (Positive Temperature Coefficient) Thermistors

PRF18BE471RS5RB
Murata Electronics
1: CHF 0.412
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
PRF18BE471RS5RB

Mouser Part No
81-PRF18BE471RS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

CHF 0.412

CHF 0.313

CHF 0.269

CHF 0.221

View

Min.: 1
Mult.: 1

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Bulk

PTC (Positive Temperature Coefficient) Thermistors

PRF18BF471QS5RB
Murata Electronics
1: CHF 0.262
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
PRF18BF471QS5RB

Mouser Part No
81-PRF18BF471QS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

CHF 0.262

CHF 0.221

CHF 0.195

CHF 0.156

View

Reel

CHF 0.098

MouseReel Available

Min.: 1
Mult.: 1

: 4’000

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Reel, Cut Tape, MouseReel

PTC (Positive Temperature Coefficient) Thermistors

PRF18BG471QS5RB
Murata Electronics
1: CHF 0.262
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
PRF18BG471QS5RB

Mouser Part No
81-PRF18BG471QS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

CHF 0.262

CHF 0.221

CHF 0.195

CHF 0.156

View

Min.: 1
Mult.: 1

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Bulk

PTC (Positive Temperature Coefficient) Thermistors

PRF18BG471RS5RB
Murata Electronics
1: CHF 0.412
Non-Stocked Lead-Time 12 Weeks

Mfr. Part No.
PRF18BG471RS5RB

Mouser Part No
81-PRF18BG471RS5RB

Murata Electronics

PTC (Positive Temperature Coefficient) Thermistors

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

CHF 0.412

CHF 0.313

CHF 0.269

CHF 0.221

View

Min.: 1
Mult.: 1

PRF18_S

470 Ohms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

AEC-Q200

Bulk

Automotive PRF PTC Thermistors

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