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POSISTOR Thermistors - PTC

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Part #

PTC Thermistors 15 OHM 20% SMD 0805

PRG21BB150MB1RK
Murata Electronics
1: $0.677
11,006In Stock

Mfr. Part #
PRG21BB150MB1RK

Mouser Part #
81-PRG21BB150MB1RK

Murata Electronics

PTC Thermistors 15 OHM 20% SMD 0805

Learn More

Datasheet

11,006In Stock

Cut Tape

$0.677

$0.638

$0.589

$0.56

View

Reel

$0.418

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 Thermistors 0.2 OHM 20% SMD 0805

PRG21BC0R2MM1RA
Murata Electronics
1: $0.878
8,236In Stock

Mfr. Part #
PRG21BC0R2MM1RA

Mouser Part #
81-PRG21BC0R2MM1RA

Murata Electronics

PTC Thermistors 0.2 OHM 20% SMD 0805

Learn More

Datasheet

8,236In Stock

Cut Tape

$0.878

$0.825

$0.77

$0.733

View

Reel

$0.553

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 Thermistors 1 OHM 20% SMD 0805

PRG21BC1R0MM1RA
Murata Electronics
1: $0.734
5,779In Stock

Mfr. Part #
PRG21BC1R0MM1RA

Mouser Part #
81-PRG21BC1R0MM1RA

Murata Electronics

PTC Thermistors 1 OHM 20% SMD 0805

Learn More

Datasheet

5,779In Stock

Cut Tape

$0.734

$0.69

$0.644

$0.612

View

Reel

$0.451

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRG21-MM1RA

1 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC Thermistors 4.7 OHM 20% SMD 0805

PRG21BC4R7MM1RA
Murata Electronics
1: $0.72
5,766In Stock

Mfr. Part #
PRG21BC4R7MM1RA

Mouser Part #
81-PRG21BC4R7MM1RA

Murata Electronics

PTC Thermistors 4.7 OHM 20% SMD 0805

Learn More

Datasheet

5,766In Stock

Cut Tape

$0.72

$0.677

$0.631

$0.60

View

Reel

$0.436

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRG21-MM1RA

4.7 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC Thermistors 1 OHM 20% SMD 0603

PRG18BC1R0MM1RB
Murata Electronics
1: $0.49
3,055In Stock
NRND

Mfr. Part #
PRG18BC1R0MM1RB

Mouser Part #
81-PRG18BC1R0MM1RB

NRND

Murata Electronics

PTC Thermistors 1 OHM 20% SMD 0603

Learn More

Datasheet

3,055In Stock

Cut Tape

$0.49

$0.455

$0.402

$0.383

Reel

$0.284

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRG18-MM1RB

1 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC Thermistors 2.2 OHM 20% SMD 0603

PRG18BC2R2MM1RB
Murata Electronics
1: $0.461
Non-Stocked Lead-Time 12 Weeks
NRND

Mfr. Part #
PRG18BC2R2MM1RB

Mouser Part #
81-PRG18BC2R2MM1RB

NRND

Murata Electronics

PTC Thermistors 2.2 OHM 20% SMD 0603

Learn More

Datasheet

Non-Stocked Lead-Time 12 Weeks

Cut Tape

$0.461

$0.433

$0.383

$0.364

Reel

$0.271

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 Thermistors 3.3 OHM 20% SMD 0603

PRG18BC3R3MM1RB
Murata Electronics
1: $0.49
3,979In Stock
NRND

Mfr. Part #
PRG18BC3R3MM1RB

Mouser Part #
81-PRG18BC3R3MM1RB

NRND

Murata Electronics

PTC Thermistors 3.3 OHM 20% SMD 0603

Learn More

Datasheet

3,979In Stock

Cut Tape

$0.49

$0.451

$0.397

$0.379

Reel

$0.275

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRG18-MM1RB

3.3 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC Thermistors

PRG21AR4R7MS5RA
Murata Electronics
1: $0.878
2,637In Stock
NRND

Mfr. Part #
PRG21AR4R7MS5RA

Mouser Part #
81-PRG21AR4R7MS5RA

NRND

Murata Electronics

PTC Thermistors

Learn More

Datasheet

2,637In Stock

$0.878

$0.824

$0.77

$0.733

View

Reel

$0.52

Min.: 1
Mult.: 1

: 4,000

PRG21-MS5RA

4.7 Ohms

20 %

PCB Mount

SMD/SMT

- 40 C

+ 105 C

Ammo Pack

PTC Thermistors

PRG21BC0R4MM1RK
Murata Electronics
1: $1.20
2,370In Stock
NRND

Mfr. Part #
PRG21BC0R4MM1RK

Mouser Part #
81-PRG21BC0R4MM1RK

NRND

Murata Electronics

PTC Thermistors

Learn More

Datasheet

2,370In Stock

Cut Tape

$1.20

$0.91

$0.783

$0.756

View

Reel

$0.431

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PRG21-MM1RK

400 mOhms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC Thermistors

PRG21BC2R2MM1RK
Murata Electronics
1: $0.778
1,525In Stock
NRND

Mfr. Part #
PRG21BC2R2MM1RK

Mouser Part #
81-PRG21BC2R2MM1RK

NRND

Murata Electronics

PTC Thermistors

Learn More

Datasheet

1,525In Stock

Cut Tape

$0.778

$0.726

$0.677

$0.644

View

Reel

$0.474

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 Thermistors

PRG21BC3R3MM1RK
Murata Electronics
1: $1.21
2,333In Stock
NRND

Mfr. Part #
PRG21BC3R3MM1RK

Mouser Part #
81-PRG21BC3R3MM1RK

NRND

Murata Electronics

PTC Thermistors

Learn More

Datasheet

2,333In Stock

Cut Tape

$1.21

$0.927

$0.798

$0.77

View

Reel

$0.438

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PRG21-MM1RK

3.3 Ohms

20 %

PCB Mount

SMD/SMT

- 20 C

+ 85 C

Reel, Cut Tape, MouseReel

PTC Thermistors

PRG21BC4R7MM1RK
Murata Electronics
1: $1.20
1,546In Stock
NRND

Mfr. Part #
PRG21BC4R7MM1RK

Mouser Part #
81-PRG21BC4R7MM1RK

NRND

Murata Electronics

PTC Thermistors

Learn More

Datasheet

1,546In Stock

Cut Tape

$1.20

$0.926

$0.796

$0.769

View

Reel

$0.474

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PRG21-MM1RK

Reel, Cut Tape, MouseReel

PTC Thermistors

PRG21BC6R8MM1RK
Murata Electronics
1: $1.20
1,310In Stock
NRND

Mfr. Part #
PRG21BC6R8MM1RK

Mouser Part #
81-PRG21BC6R8MM1RK

NRND

Murata Electronics

PTC Thermistors

Learn More

Datasheet

1,310In Stock

Cut Tape

$1.20

$0.926

$0.796

$0.769

View

Reel

$0.438

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

PRG21-MM1RK

Reel, Cut Tape, MouseReel

PTC Thermistors 6.8 OHM 20% SMD 0805

PRG21BC6R8MM1RA
Murata Electronics
1: $0.706
28,258In Stock

Mfr. Part #
PRG21BC6R8MM1RA

Mouser Part #
81-PRG21BC6R8MM1RA

Murata Electronics

PTC Thermistors 6.8 OHM 20% SMD 0805

Learn More

Datasheet

28,258In Stock

Cut Tape

$0.706

$0.625

$0.616

$0.586

View

Reel

$0.413

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 Thermistors

PRF15BA102RB6RC
Murata Electronics
1: $0.259
9,889In Stock

Mfr. Part #
PRF15BA102RB6RC

Mouser Part #
81-PRF15BA102RB6RC

Murata Electronics

PTC Thermistors

Learn More

Datasheet

9,889In Stock

Cut Tape

$0.259

$0.215

$0.189

$0.151

Reel

$0.094

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

PRF

1 kOhms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 150 C

Reel, Cut Tape, MouseReel

PTC Thermistors PTC 0402, 10kOhms, 50%, 32VDC

PRF15BB103RB6RC
Murata Electronics
1: $0.259
158In Stock
20,000Expected 2026-08-26

Mfr. Part #
PRF15BB103RB6RC

Mouser Part #
81-PRF15BB103RB6RC

Murata Electronics

PTC Thermistors PTC 0402, 10kOhms, 50%, 32VDC

Learn More

Datasheet

158In Stock

20,000Expected 2026-08-26

Cut Tape

$0.259

$0.215

$0.189

$0.151

Reel

$0.108

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

PRF

10 kOhms

50 %

PCB Mount

SMD/SMT

- 20 C

+ 140 C

Reel, Cut Tape, MouseReel

PTC Thermistors

PRF15BC102RB6RC
Murata Electronics
1: $0.259
2,271In Stock
10,000Expected 2026-07-27

Mfr. Part #
PRF15BC102RB6RC

Mouser Part #
81-PRF15BC102RB6RC

Murata Electronics

PTC Thermistors

Learn More

Datasheet

2,271In Stock

10,000Expected 2026-07-27

Cut Tape

$0.259

$0.238

$0.209

$0.189

Reel

$0.104

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

PRF

1 kOhms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 130 C

Reel, Cut Tape, MouseReel

PTC Thermistors 1 OHM 50% SMD 0402

PRF15BD102RB6RC
Murata Electronics
1: $0.202
175In Stock
10,000Expected 2026-08-28

Mfr. Part #
PRF15BD102RB6RC

Mouser Part #
81-PRF15BD102RB6RC

Murata Electronics

PTC Thermistors 1 OHM 50% SMD 0402

Learn More

Datasheet

175In Stock

10,000Expected 2026-08-28

Cut Tape

$0.202

$0.184

$0.161

$0.151

Reel

$0.098

View

MouseReel Available

Min.: 1
Mult.: 1

: 10,000

PRF

1 kOhms

50 %

PCB Mount

SMD/SMT

- 40 C

+ 120 C

Reel, Cut Tape, MouseReel

PTC Thermistors 470 OHM 50% SMD 0603

PRF18AR471QB5RB
Murata Electronics
1: $0.288
1,152In Stock
4,000Expected 2026-07-07

Mfr. Part #
PRF18AR471QB5RB

Mouser Part #
81-PRF18AR471QB5RB

Murata Electronics

PTC Thermistors 470 OHM 50% SMD 0603

Learn More

Datasheet

1,152In Stock

4,000Expected 2026-07-07

Cut Tape

$0.288

$0.251

$0.223

$0.202

Reel

$0.144

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRF

470 Ohms

50 %

PCB Mount

SMD/SMT

- 20 C

+ 160 C

Reel, Cut Tape, MouseReel

PTC Thermistors

PRF18AS471QB5RB
Murata Electronics
1: $0.288
2,710In Stock

Mfr. Part #
PRF18AS471QB5RB

Mouser Part #
81-PRF18AS471QB5RB

Murata Electronics

PTC Thermistors

Learn More

Datasheet

2,710In Stock

Cut Tape

$0.288

$0.261

$0.229

$0.216

Reel

$0.151

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRF

470 Ohms

50 %

PCB Mount

SMD/SMT

- 20 C

+ 160 C

Reel, Cut Tape, MouseReel

PTC Thermistors 470 OHM 50% SMD 0603

PRF18BA471QB5RB
Murata Electronics
1: $0.288
144In Stock
64,000Expected 2026-08-19

Mfr. Part #
PRF18BA471QB5RB

Mouser Part #
81-PRF18BA471QB5RB

Murata Electronics

PTC Thermistors 470 OHM 50% SMD 0603

Learn More

Datasheet

144In Stock

64,000Expected 2026-08-19

Cut Tape

$0.288

$0.261

$0.229

$0.228

Reel

$0.132

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRF

470 Ohms

50 %

PCB Mount

SMD/SMT

- 20 C

+ 150 C

Reel, Cut Tape, MouseReel

PTC Thermistors 470 OHM 50% SMD 0603

PRF18BA471QS5RB
Murata Electronics
1: $0.331
3,588In Stock
4,000Expected 2026-08-19

Mfr. Part #
PRF18BA471QS5RB

Mouser Part #
81-PRF18BA471QS5RB

Murata Electronics

PTC Thermistors 470 OHM 50% SMD 0603

Learn More

Datasheet

3,588In Stock

4,000Expected 2026-08-19

Cut Tape

$0.331

$0.31

$0.272

$0.258

Reel

$0.19

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 Thermistors 470 OHM 50% SMD 0603

PRF18BB471QB5RB
Murata Electronics
1: $0.49
5,446In Stock

Mfr. Part #
PRF18BB471QB5RB

Mouser Part #
81-PRF18BB471QB5RB

Murata Electronics

PTC Thermistors 470 OHM 50% SMD 0603

Learn More

Datasheet

5,446In Stock

Cut Tape

$0.49

$0.455

$0.402

$0.382

Reel

$0.264

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRF

470 Ohms

50 %

PCB Mount

SMD/SMT

- 20 C

+ 140 C

Reel, Cut Tape, MouseReel

PTC Thermistors

PRF18BB471RB5RB
Murata Electronics
1: $0.317
3,034In Stock

Mfr. Part #
PRF18BB471RB5RB

Mouser Part #
81-PRF18BB471RB5RB

Murata Electronics

PTC Thermistors

Learn More

Datasheet

3,034In Stock

Cut Tape

$0.317

$0.297

$0.261

$0.248

Reel

$0.181

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PRF

470 Ohms

50 %

PCB Mount

SMD/SMT

- 20 C

+ 140 C

Reel, Cut Tape, MouseReel

PTC Thermistors

PRF18BB471RS5RB
Murata Electronics
1: $0.749
924In Stock

Mfr. Part #
PRF18BB471RS5RB

Mouser Part #
81-PRF18BB471RS5RB

Murata Electronics

PTC Thermistors

Learn More

Datasheet

924In Stock

Cut Tape

$0.749

$0.567

$0.49

$0.402

Reel

$0.274

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

POSISTOR Thermistors - PTC

Mouser Electronics®

Company

Resources

Support

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