PTC Thermistors
PRG21BC1R0MM1RK
Murata Electronics
1:
S/2.02
25,041 In Stock
Mouser Part # 81-PRG21BC1R0MM1RK
Murata Electronics
PTC Thermistors
25,041 In Stock
1
S/2.02
10
S/1.90
25
S/1.77
50
S/1.69
100
View
3,000
S/1.00
100
S/1.61
250
S/1.59
500
S/1.41
1,000
S/1.26
3,000
S/1.00
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:
S/2.10
10,074 In Stock
Mouser Part # 81-PRG21BB150MB1RK
Murata Electronics
PTC Thermistors 15 OHM 20% SMD 0805
10,074 In Stock
1
S/2.10
10
S/1.96
25
S/1.68
50
S/1.63
100
View
3,000
S/1.01
100
S/1.54
250
S/1.39
500
S/1.32
1,000
S/1.25
3,000
S/1.01
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:
S/2.92
8,126 In Stock
Mouser Part # 81-PRG21BC0R2MM1RA
Murata Electronics
PTC Thermistors 0.2 OHM 20% SMD 0805
8,126 In Stock
1
S/2.92
10
S/2.67
25
S/2.22
50
S/2.13
100
View
4,000
S/1.29
100
S/2.05
250
S/1.84
500
S/1.74
1,000
S/1.64
4,000
S/1.29
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:
S/0.973
151,052 In Stock
Mouser Part # 81-PRG18BB330MB1RB
Murata Electronics
PTC Thermistors 33 OHM 20% SMD 0603
151,052 In Stock
1
S/0.973
10
S/0.895
25
S/0.743
100
S/0.619
4,000
S/0.401
8,000
View
500
S/0.58
1,000
S/0.436
8,000
S/0.358
24,000
S/0.346
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:
S/1.01
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
S/1.01
10
S/0.911
25
S/0.755
100
S/0.631
4,000
S/0.405
8,000
View
500
S/0.592
1,000
S/0.444
8,000
S/0.362
24,000
S/0.35
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:
S/1.52
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
S/1.52
10
S/1.32
25
S/1.12
100
S/0.926
4,000
S/0.607
8,000
View
500
S/0.852
1,000
S/0.666
8,000
S/0.549
24,000
S/0.545
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:
S/1.32
11,929 In Stock
Mouser Part # 81-PRG18BC220MM1RB
Murata Electronics
PTC Thermistors
11,929 In Stock
1
S/1.32
10
S/1.23
25
S/1.09
100
S/1.03
500
View
4,000
S/0.79
500
S/0.915
1,000
S/0.876
4,000
S/0.79
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:
S/2.18
6,096 In Stock
Mouser Part # 81-PRG21AR420MB1RA
Murata Electronics
PTC Thermistors 42 OHM 20% SMD 0805
6,096 In Stock
1
S/2.18
10
S/1.97
25
S/1.82
50
S/1.65
100
View
4,000
S/1.17
100
S/1.48
250
S/1.39
500
S/1.25
1,000
S/1.18
4,000
S/1.17
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:
S/1.95
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
S/1.95
10
S/1.83
25
S/1.70
50
S/1.62
100
View
4,000
S/1.09
100
S/1.54
500
S/1.39
1,000
S/1.31
4,000
S/1.09
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:
S/1.95
2,638 In Stock
Mouser Part # 81-PRG18BB101MS1RB
Murata Electronics
PTC Thermistors 100 OHM 20% SMD 0603
2,638 In Stock
1
S/1.95
10
S/1.79
25
S/1.72
50
S/1.49
100
View
4,000
S/0.942
100
S/1.36
250
S/1.24
500
S/1.14
1,000
S/1.09
4,000
S/0.942
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:
S/1.95
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
S/1.95
10
S/1.79
25
S/1.70
50
S/1.49
100
View
4,000
S/0.996
100
S/1.36
250
S/1.24
500
S/1.14
1,000
S/1.05
4,000
S/0.996
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:
S/0.973
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
S/0.973
10
S/0.895
25
S/0.743
100
S/0.619
4,000
S/0.42
8,000
View
500
S/0.592
1,000
S/0.463
8,000
S/0.381
24,000
S/0.366
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:
S/2.34
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
S/2.34
10
S/1.92
25
S/1.83
50
S/1.60
100
View
3,000
S/1.06
100
S/1.40
250
S/1.36
500
S/1.18
1,000
S/1.09
3,000
S/1.06
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:
S/1.95
1,142 In Stock
Mouser Part # 81-PRG21AR420MS1RA
Murata Electronics
PTC Thermistors 42 OHM 20% SMD 0805
1,142 In Stock
1
S/1.95
10
S/1.79
25
S/1.72
50
S/1.49
100
View
4,000
S/0.946
100
S/1.36
250
S/1.24
500
S/1.14
1,000
S/1.05
4,000
S/0.946
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:
S/2.53
3,870 In Stock
Mouser Part # 81-PRG21BC0R6MM1RA
Murata Electronics
PTC Thermistors 0.6 OHM 20% SMD 0805
3,870 In Stock
1
S/2.53
10
S/2.34
25
S/2.27
50
S/1.94
100
View
4,000
S/1.31
100
S/1.79
250
S/1.61
500
S/1.48
1,000
S/1.37
4,000
S/1.31
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:
S/2.34
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
S/2.34
10
S/2.13
25
S/2.00
50
S/1.77
100
View
4,000
S/1.18
100
S/1.63
250
S/1.47
500
S/1.35
1,000
S/1.25
4,000
S/1.18
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:
S/2.45
4,438 In Stock
Mouser Part # 81-PRG21BC3R3MM1RA
Murata Electronics
PTC Thermistors
4,438 In Stock
1
S/2.45
10
S/2.26
25
S/2.18
50
S/1.87
100
View
4,000
S/1.26
100
S/1.73
250
S/1.55
500
S/1.43
1,000
S/1.32
4,000
S/1.26
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:
S/2.37
4,759 In Stock
Mouser Part # 81-PRG21BC1R0MM1RA
Murata Electronics
PTC Thermistors 1 OHM 20% SMD 0805
4,759 In Stock
1
S/2.37
10
S/2.17
25
S/2.04
50
S/1.80
100
View
4,000
S/1.21
100
S/1.65
250
S/1.49
500
S/1.38
1,000
S/1.27
4,000
S/1.21
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:
S/1.95
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
S/1.95
10
S/1.83
25
S/1.70
50
S/1.62
100
View
4,000
S/1.18
100
S/1.55
500
S/1.39
1,000
S/1.31
4,000
S/1.18
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:
S/0.973
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
S/0.973
10
S/0.895
25
S/0.743
100
S/0.619
4,000
S/0.397
8,000
View
500
S/0.572
1,000
S/0.436
8,000
S/0.358
24,000
S/0.343
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:
S/2.34
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
S/2.34
10
S/2.14
25
S/1.93
50
S/1.77
100
View
3,000
S/1.07
100
S/1.58
250
S/1.47
500
S/1.34
1,000
S/1.24
3,000
S/1.07
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:
S/3.85
4,000 Expected 11/23/2026
Mouser Part # 81-PRG21AR220MS5RA
Murata Electronics
PTC Thermistors
4,000 Expected 11/23/2026
1
S/3.85
10
S/2.93
25
S/2.52
50
S/2.44
100
View
4,000
S/1.35
100
S/2.07
500
S/1.80
1,000
S/1.59
4,000
S/1.35
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:
S/2.53
84 Factory Stock Available
Mouser Part # 81-PRG21AR220MB1RK
Murata Electronics
PTC Thermistors
84 Factory Stock Available
1
S/2.53
10
S/1.92
25
S/1.65
50
S/1.60
100
View
3,000
S/0.958
100
S/1.36
500
S/1.18
1,000
S/1.09
3,000
S/0.958
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:
S/0.907
Non-Stocked Lead-Time 8 Weeks
Mouser Part # 81-PRG18BB221MS1RB
Murata Electronics
PTC Thermistors
Non-Stocked Lead-Time 8 Weeks
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:
S/0.907
Non-Stocked Lead-Time 4 Weeks
Mouser Part # 81-PRG18BB470MS1RB
Murata Electronics
PTC Thermistors
Non-Stocked Lead-Time 4 Weeks
Buy
Min.: 4,000 Mult.: 4,000
Details
PRG18-MS1RB
47 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 75 C
AEC-Q100
Bulk
