PTC Thermistors
PRG21BC1R0MM1RK
Murata Electronics
1:
$0.52
A tariff of 11% may be applied if shipping to the United States.
25,041 In Stock
Mouser Part # 81-PRG21BC1R0MM1RK
Murata Electronics
PTC Thermistors
25,041 In Stock
1
$0.52
10
$0.488
25
$0.455
50
$0.433
100
View
3,000
$0.258
100
$0.413
250
$0.409
500
$0.361
1,000
$0.324
3,000
$0.258
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
PRG21-MM1RK
1 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors 15 OHM 20% SMD 0805
PRG21BB150MB1RK
Murata Electronics
1:
$0.54
A tariff of 11% may be applied if shipping to the United States.
10,074 In Stock
Mouser Part # 81-PRG21BB150MB1RK
Murata Electronics
PTC Thermistors 15 OHM 20% SMD 0805
10,074 In Stock
1
$0.54
10
$0.503
25
$0.431
50
$0.418
100
View
3,000
$0.259
100
$0.395
250
$0.358
500
$0.34
1,000
$0.322
3,000
$0.259
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
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:
$0.75
A tariff of 11% may be applied if shipping to the United States.
8,126 In Stock
Mouser Part # 81-PRG21BC0R2MM1RA
Murata Electronics
PTC Thermistors 0.2 OHM 20% SMD 0805
8,126 In Stock
1
$0.75
10
$0.686
25
$0.57
50
$0.546
100
View
4,000
$0.331
100
$0.526
250
$0.473
500
$0.448
1,000
$0.421
4,000
$0.331
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG21-MM1RA
200 mOhms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors 33 OHM 20% SMD 0603
PRG18BB330MB1RB
Murata Electronics
1:
$0.25
A tariff of 30% may be applied if shipping to the United States.
151,052 In Stock
Mouser Part # 81-PRG18BB330MB1RB
Murata Electronics
PTC Thermistors 33 OHM 20% SMD 0603
151,052 In Stock
1
$0.25
10
$0.23
25
$0.191
100
$0.159
4,000
$0.103
8,000
View
500
$0.149
1,000
$0.112
8,000
$0.092
24,000
$0.089
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG18-MB1RB
33 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 75 C
Reel, Cut Tape, MouseReel
PTC Thermistors 100 OHM 20% SMD 0603
PRG18BB101MB1RB
Murata Electronics
1:
$0.26
A tariff of 30% may be applied if shipping to the United States.
41,810 In Stock
32,000 Expected 12/3/2026
Mouser Part # 81-PRG18BB101MB1RB
Murata Electronics
PTC Thermistors 100 OHM 20% SMD 0603
41,810 In Stock
32,000 Expected 12/3/2026
1
$0.26
10
$0.234
25
$0.194
100
$0.162
4,000
$0.104
8,000
View
500
$0.152
1,000
$0.114
8,000
$0.093
24,000
$0.09
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG18-MB1RB
100 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 75 C
Reel, Cut Tape, MouseReel
PTC Thermistors 0603 47ohm 20% SMD
PRG18BB470MB1RB
Murata Electronics
1:
$0.39
A tariff of 30% may be applied if shipping to the United States.
56,766 In Stock
44,000 Expected 11/26/2026
Mouser Part # 81-PRG18BB470MB1RB
Murata Electronics
PTC Thermistors 0603 47ohm 20% SMD
56,766 In Stock
44,000 Expected 11/26/2026
1
$0.39
10
$0.34
25
$0.287
100
$0.238
4,000
$0.156
8,000
View
500
$0.219
1,000
$0.171
8,000
$0.141
24,000
$0.14
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG18-MB1RB
47 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 75 C
Reel, Cut Tape, MouseReel
PTC Thermistors
PRG18BC220MM1RB
Murata Electronics
1:
$0.34
A tariff of 11% may be applied if shipping to the United States.
11,929 In Stock
Mouser Part # 81-PRG18BC220MM1RB
Murata Electronics
PTC Thermistors
11,929 In Stock
1
$0.34
10
$0.315
25
$0.279
100
$0.265
500
View
4,000
$0.203
500
$0.235
1,000
$0.225
4,000
$0.203
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Max.: 4,000
Reel :4,000
Details
PRG18-MM1RB
22 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors 42 OHM 20% SMD 0805
PRG21AR420MB1RA
Murata Electronics
1:
$0.56
A tariff of 30% may be applied if shipping to the United States.
6,096 In Stock
Mouser Part # 81-PRG21AR420MB1RA
Murata Electronics
PTC Thermistors 42 OHM 20% SMD 0805
6,096 In Stock
1
$0.56
10
$0.506
25
$0.467
50
$0.425
100
View
4,000
$0.30
100
$0.379
250
$0.356
500
$0.322
1,000
$0.303
4,000
$0.30
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG21-MB1RA
42 Ohms
20 %
PCB Mount
SMD/SMT
- 10 C
+ 60 C
Reel, Cut Tape, MouseReel
PTC Thermistors 6.8 OHM 20% SMD 0805
PRG21BC6R8MM1RA
Murata Electronics
1:
$0.50
A tariff of 11% may be applied if shipping to the United States.
18,755 In Stock
16,000 Expected 11/23/2026
Mouser Part # 81-PRG21BC6R8MM1RA
Murata Electronics
PTC Thermistors 6.8 OHM 20% SMD 0805
18,755 In Stock
16,000 Expected 11/23/2026
1
$0.50
10
$0.469
25
$0.437
50
$0.416
100
View
4,000
$0.28
100
$0.396
500
$0.357
1,000
$0.336
4,000
$0.28
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG21-MM1RA
6.8 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors 100 OHM 20% SMD 0603
PRG18BB101MS1RB
Murata Electronics
1:
$0.50
A tariff of 30% may be applied if shipping to the United States.
2,638 In Stock
Mouser Part # 81-PRG18BB101MS1RB
Murata Electronics
PTC Thermistors 100 OHM 20% SMD 0603
2,638 In Stock
1
$0.50
10
$0.461
25
$0.441
50
$0.383
100
View
4,000
$0.242
100
$0.349
250
$0.318
500
$0.293
1,000
$0.281
4,000
$0.242
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG18-MS1RB
100 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 75 C
AEC-Q100
Reel, Cut Tape, MouseReel
PTC Thermistors 33 OHM 20% SMD 0603
PRG18BB330MS1RB
Murata Electronics
1:
$0.50
A tariff of 30% may be applied if shipping to the United States.
1,345 In Stock
4,000 Expected 12/4/2026
Mouser Part # 81-PRG18BB330MS1RB
Murata Electronics
PTC Thermistors 33 OHM 20% SMD 0603
1,345 In Stock
4,000 Expected 12/4/2026
1
$0.50
10
$0.461
25
$0.437
50
$0.383
100
View
4,000
$0.256
100
$0.349
250
$0.318
500
$0.293
1,000
$0.27
4,000
$0.256
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG18-MS1RB
33 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 75 C
AEC-Q100
Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 20% SMD 0603
PRG18BB471MB1RB
Murata Electronics
1:
$0.25
A tariff of 30% may be applied if shipping to the United States.
11,868 In Stock
52,000 On Order
Mouser Part # 81-PRG18BB471MB1RB
Murata Electronics
PTC Thermistors 470 OHM 20% SMD 0603
11,868 In Stock
52,000 On Order
View Dates
Stock:
11,868 Can Ship Immediately
On Order:
28,000 Expected 10/1/2026
24,000 Expected 11/16/2026
Factory Lead-Time:
12 Weeks
1
$0.25
10
$0.23
25
$0.191
100
$0.159
4,000
$0.108
8,000
View
500
$0.152
1,000
$0.119
8,000
$0.098
24,000
$0.094
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG18-MB1RB
470 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 75 C
Reel, Cut Tape, MouseReel
PTC Thermistors 22 OHM 20% SMD 0805
PRG21AR220MS1RK
Murata Electronics
1:
$0.60
A tariff of 30% may be applied if shipping to the United States.
2,632 In Stock
12,000 Expected 12/11/2026
Mouser Part # 81-PRG21AR220MS1RK
Murata Electronics
PTC Thermistors 22 OHM 20% SMD 0805
2,632 In Stock
12,000 Expected 12/11/2026
1
$0.60
10
$0.493
25
$0.471
50
$0.41
100
View
3,000
$0.272
100
$0.36
250
$0.349
500
$0.303
1,000
$0.281
3,000
$0.272
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
PRG21-MS1RK
22 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 105 C
AEC-Q100
Reel, Cut Tape, MouseReel
PTC Thermistors 42 OHM 20% SMD 0805
PRG21AR420MS1RA
Murata Electronics
1:
$0.50
A tariff of 30% may be applied if shipping to the United States.
1,142 In Stock
Mouser Part # 81-PRG21AR420MS1RA
Murata Electronics
PTC Thermistors 42 OHM 20% SMD 0805
1,142 In Stock
1
$0.50
10
$0.461
25
$0.441
50
$0.383
100
View
4,000
$0.243
100
$0.349
250
$0.318
500
$0.293
1,000
$0.27
4,000
$0.243
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG21-MS1RA
42 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 105 C
AEC-Q100
Reel, Cut Tape, MouseReel
PTC Thermistors 0.6 OHM 20% SMD 0805
PRG21BC0R6MM1RA
Murata Electronics
1:
$0.65
A tariff of 11% may be applied if shipping to the United States.
3,870 In Stock
Mouser Part # 81-PRG21BC0R6MM1RA
Murata Electronics
PTC Thermistors 0.6 OHM 20% SMD 0805
3,870 In Stock
1
$0.65
10
$0.60
25
$0.582
50
$0.498
100
View
4,000
$0.336
100
$0.46
250
$0.413
500
$0.381
1,000
$0.352
4,000
$0.336
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG21-MM1RA
600 mOhms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors 2.2 OHM 20% SMD 0805
PRG21BC2R2MM1RA
Murata Electronics
1:
$0.60
A tariff of 11% may be applied if shipping to the United States.
908 In Stock
12,000 On Order
Mouser Part # 81-PRG21BC2R2MM1RA
Murata Electronics
PTC Thermistors 2.2 OHM 20% SMD 0805
908 In Stock
12,000 On Order
View Dates
On Order:
4,000 Expected 10/16/2026
8,000 Expected 11/5/2026
Factory Lead-Time:
12 Weeks
1
$0.60
10
$0.547
25
$0.513
50
$0.455
100
View
4,000
$0.304
100
$0.42
250
$0.377
500
$0.348
1,000
$0.321
4,000
$0.304
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG21-MM1RA
2.2 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors
PRG21BC3R3MM1RA
Murata Electronics
1:
$0.63
A tariff of 11% may be applied if shipping to the United States.
4,438 In Stock
Mouser Part # 81-PRG21BC3R3MM1RA
Murata Electronics
PTC Thermistors
4,438 In Stock
1
$0.63
10
$0.58
25
$0.561
50
$0.481
100
View
4,000
$0.324
100
$0.444
250
$0.399
500
$0.368
1,000
$0.34
4,000
$0.324
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG21-MM1RA
3.3 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors 1 OHM 20% SMD 0805
PRG21BC1R0MM1RA
Murata Electronics
1:
$0.61
A tariff of 11% may be applied if shipping to the United States.
4,759 In Stock
Mouser Part # 81-PRG21BC1R0MM1RA
Murata Electronics
PTC Thermistors 1 OHM 20% SMD 0805
4,759 In Stock
1
$0.61
10
$0.558
25
$0.524
50
$0.463
100
View
4,000
$0.31
100
$0.424
250
$0.384
500
$0.355
1,000
$0.327
4,000
$0.31
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Max.: 4,000
Reel :4,000
Details
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:
$0.50
A tariff of 11% may be applied if shipping to the United States.
4,270 In Stock
4,000 Expected 10/8/2026
Mouser Part # 81-PRG21BC4R7MM1RA
Murata Electronics
PTC Thermistors 4.7 OHM 20% SMD 0805
4,270 In Stock
4,000 Expected 10/8/2026
1
$0.50
10
$0.47
25
$0.438
50
$0.417
100
View
4,000
$0.303
100
$0.397
500
$0.358
1,000
$0.337
4,000
$0.303
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG21-MM1RA
4.7 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors 220 OHM 20% SMD 0603
PRG18BB221MB1RB
Murata Electronics
1:
$0.25
A tariff of 30% may be applied if shipping to the United States.
70,930 On Order
Mouser Part # 81-PRG18BB221MB1RB
Murata Electronics
PTC Thermistors 220 OHM 20% SMD 0603
70,930 On Order
View Dates
On Order:
34,930 Expected 10/8/2026
36,000 Expected 12/3/2026
Factory Lead-Time:
12 Weeks
1
$0.25
10
$0.23
25
$0.191
100
$0.159
4,000
$0.102
8,000
View
500
$0.147
1,000
$0.112
8,000
$0.092
24,000
$0.088
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG18-MB1RB
220 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 75 C
Reel, Cut Tape, MouseReel
PTC Thermistors 22 OHM 20% SMD 0805
PRG21BB220MB1RK
Murata Electronics
1:
$0.60
A tariff of 30% may be applied if shipping to the United States.
24,251 On Order
Mouser Part # 81-PRG21BB220MB1RK
Murata Electronics
PTC Thermistors 22 OHM 20% SMD 0805
24,251 On Order
View Dates
On Order:
9,251 Expected 10/1/2026
6,000 Expected 12/8/2026
9,000 Expected 12/11/2026
Factory Lead-Time:
13 Weeks
1
$0.60
10
$0.549
25
$0.495
50
$0.456
100
View
3,000
$0.274
100
$0.407
250
$0.378
500
$0.344
1,000
$0.319
3,000
$0.274
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
PRG21-MB1RK
22 Ohms
20 %
PCB Mount
SMD/SMT
- 10 C
+ 60 C
Reel, Cut Tape, MouseReel
PTC Thermistors
PRG21AR220MS5RA
Murata Electronics
1:
$0.99
A tariff of 11% may be applied if shipping to the United States.
4,000 Expected 11/23/2026
Mouser Part # 81-PRG21AR220MS5RA
Murata Electronics
PTC Thermistors
4,000 Expected 11/23/2026
1
$0.99
10
$0.752
25
$0.648
50
$0.626
100
View
4,000
$0.346
100
$0.533
500
$0.463
1,000
$0.409
4,000
$0.346
A tariff of 11% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Max.: 12,000
Reel :4,000
Details
PRG21-MS5RA
22 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 105 C
Reel, Cut Tape
PTC Thermistors
PRG21AR220MB1RK
Murata Electronics
1:
$0.65
A tariff of 30% may be applied if shipping to the United States.
84 Factory Stock Available
Mouser Part # 81-PRG21AR220MB1RK
Murata Electronics
PTC Thermistors
84 Factory Stock Available
1
$0.65
10
$0.493
25
$0.424
50
$0.41
100
View
3,000
$0.246
100
$0.349
500
$0.303
1,000
$0.281
3,000
$0.246
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 1 Mult.: 1
Reel :3,000
Details
PRG21-MS5RA
22 Ohms
20 %
PCB Mount
SMD/SMT
- 10 C
+ 60 C
Reel, Cut Tape, MouseReel
PTC Thermistors
PRG18BB221MS1RB
Murata Electronics
4,000:
$0.233
A tariff of 30% may be applied if shipping to the United States.
Non-Stocked Lead-Time 8 Weeks
Mouser Part # 81-PRG18BB221MS1RB
Murata Electronics
PTC Thermistors
Non-Stocked Lead-Time 8 Weeks
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 4,000 Mult.: 4,000
Reel :4,000
Details
PRG18-MS1RB
220 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 75 C
AEC-Q100
Reel
PTC Thermistors
PRG18BB470MS1RB
Murata Electronics
4,000:
$0.233
A tariff of 30% may be applied if shipping to the United States.
Non-Stocked Lead-Time 4 Weeks
Mouser Part # 81-PRG18BB470MS1RB
Murata Electronics
PTC Thermistors
Non-Stocked Lead-Time 4 Weeks
A tariff of 30% may be applied if shipping to the United States.
Buy
Min.: 4,000 Mult.: 4,000
Details
PRG18-MS1RB
47 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 75 C
AEC-Q100
Bulk
