PTC (Positive Temperature Coefficient) Thermistors
PRG21AR220MS5RA
Murata Electronics
1:
HK$8.14
1,054 In Stock
4,000 Expected 30/9/2026
Mouser Part No 81-PRG21AR220MS5RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
1,054 In Stock
4,000 Expected 30/9/2026
1
HK$8.14
10
HK$6.18
25
HK$5.33
50
HK$5.15
100
View
4,000
HK$2.84
100
HK$4.38
500
HK$3.81
1,000
HK$3.36
4,000
HK$2.84
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG21-MS5RA
22 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 105 C
Reel, Cut Tape
PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603
PRG18BB101MB1RB
Murata Electronics
1:
HK$1.89
32,391 In Stock
20,000 Expected 21/8/2026
Mouser Part No 81-PRG18BB101MB1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603
32,391 In Stock
20,000 Expected 21/8/2026
1
HK$1.89
10
HK$1.72
25
HK$1.51
100
HK$1.44
4,000
HK$1.05
8,000
View
500
HK$1.25
1,000
HK$1.10
8,000
HK$0.995
24,000
HK$0.978
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 (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603
PRG18BB330MB1RB
Murata Electronics
1:
HK$1.81
72,075 In Stock
100,000 Expected 4/8/2026
Mouser Part No 81-PRG18BB330MB1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603
72,075 In Stock
100,000 Expected 4/8/2026
1
HK$1.81
10
HK$1.69
25
HK$1.49
100
HK$1.41
4,000
HK$0.954
24,000
View
500
HK$1.22
1,000
HK$1.07
24,000
HK$0.945
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 (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603
PRG18BB330MS1RB
Murata Electronics
1:
HK$3.53
9,425 In Stock
Mouser Part No 81-PRG18BB330MS1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603
9,425 In Stock
1
HK$3.53
10
HK$3.28
25
HK$3.06
50
HK$2.90
100
View
4,000
HK$2.10
100
HK$2.76
500
HK$2.48
1,000
HK$2.31
4,000
HK$2.10
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 (Positive Temperature Coefficient) Thermistors 0603 47ohm 20% SMD
PRG18BB470MB1RB
Murata Electronics
1:
HK$2.71
88,782 In Stock
Mouser Part No 81-PRG18BB470MB1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 0603 47ohm 20% SMD
88,782 In Stock
1
HK$2.71
10
HK$2.54
25
HK$2.24
100
HK$2.02
4,000
HK$1.51
8,000
View
500
HK$1.82
1,000
HK$1.59
8,000
HK$1.45
24,000
HK$1.42
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 (Positive Temperature Coefficient) Thermistors 470 OHM 20% SMD 0603
PRG18BB471MB1RB
Murata Electronics
1:
HK$1.81
24,544 In Stock
28,000 Expected 22/9/2026
Mouser Part No 81-PRG18BB471MB1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 20% SMD 0603
24,544 In Stock
28,000 Expected 22/9/2026
1
HK$1.81
10
HK$1.69
25
HK$1.49
100
HK$1.41
4,000
HK$1.02
8,000
View
500
HK$1.25
1,000
HK$1.09
8,000
HK$0.978
24,000
HK$0.962
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 (Positive Temperature Coefficient) Thermistors
PRG18BC220MM1RB
Murata Electronics
1:
HK$2.79
19,841 In Stock
Mouser Part No 81-PRG18BC220MM1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
19,841 In Stock
1
HK$2.79
10
HK$2.59
25
HK$2.29
100
HK$2.18
4,000
HK$1.67
8,000
View
500
HK$1.93
1,000
HK$1.85
8,000
HK$1.61
24,000
HK$1.49
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG18-MM1RB
22 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805
PRG21AR220MS1RK
Murata Electronics
1:
HK$4.19
6,994 In Stock
Mouser Part No 81-PRG21AR220MS1RK
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805
6,994 In Stock
1
HK$4.19
10
HK$3.94
25
HK$3.49
50
HK$3.37
100
View
3,000
HK$2.24
100
HK$2.87
500
HK$2.53
1,000
HK$2.43
3,000
HK$2.24
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 (Positive Temperature Coefficient) Thermistors 15 OHM 20% SMD 0805
PRG21BB150MB1RK
Murata Electronics
1:
HK$3.95
10,449 In Stock
Mouser Part No 81-PRG21BB150MB1RK
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 15 OHM 20% SMD 0805
10,449 In Stock
1
HK$3.95
10
HK$3.68
25
HK$3.44
50
HK$3.26
100
View
3,000
HK$2.29
100
HK$3.11
500
HK$2.79
1,000
HK$2.65
3,000
HK$2.29
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 (Positive Temperature Coefficient) Thermistors 0.2 OHM 20% SMD 0805
PRG21BC0R2MM1RA
Murata Electronics
1:
HK$5.10
8,176 In Stock
Mouser Part No 81-PRG21BC0R2MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 0.2 OHM 20% SMD 0805
8,176 In Stock
1
HK$5.10
10
HK$4.81
25
HK$4.49
50
HK$4.27
100
View
4,000
HK$3.16
100
HK$4.08
500
HK$3.68
1,000
HK$3.46
4,000
HK$3.16
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 (Positive Temperature Coefficient) Thermistors
PRG21BC3R3MM1RA
Murata Electronics
1:
HK$4.36
1,605 In Stock
4,000 Expected 29/7/2026
Mouser Part No 81-PRG21BC3R3MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
1,605 In Stock
4,000 Expected 29/7/2026
1
HK$4.36
10
HK$4.09
25
HK$3.81
50
HK$3.63
100
View
4,000
HK$2.66
100
HK$3.46
500
HK$3.12
1,000
HK$2.96
4,000
HK$2.66
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 (Positive Temperature Coefficient) Thermistors 6.8 OHM 20% SMD 0805
PRG21BC6R8MM1RA
Murata Electronics
1:
HK$4.11
19,080 In Stock
16,000 Expected 8/10/2026
Mouser Part No 81-PRG21BC6R8MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 6.8 OHM 20% SMD 0805
19,080 In Stock
16,000 Expected 8/10/2026
1
HK$4.11
10
HK$3.86
25
HK$3.59
50
HK$3.42
100
View
4,000
HK$2.30
100
HK$3.26
500
HK$2.93
1,000
HK$2.76
4,000
HK$2.30
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 (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603
PRG18BB101MS1RB
Murata Electronics
1:
HK$3.53
2,638 In Stock
Mouser Part No 81-PRG18BB101MS1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603
2,638 In Stock
1
HK$3.53
10
HK$3.28
25
HK$3.06
50
HK$2.90
100
View
4,000
HK$2.05
100
HK$2.76
500
HK$2.48
1,000
HK$2.31
4,000
HK$2.05
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 (Positive Temperature Coefficient) Thermistors 220 OHM 20% SMD 0603
PRG18BB221MB1RB
Murata Electronics
1:
HK$1.81
5,839 In Stock
56,000 Expected 8/10/2026
Mouser Part No 81-PRG18BB221MB1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 220 OHM 20% SMD 0603
5,839 In Stock
56,000 Expected 8/10/2026
1
HK$1.81
10
HK$1.69
25
HK$1.49
100
HK$1.41
4,000
HK$1.05
8,000
View
500
HK$1.25
1,000
HK$1.09
8,000
HK$1.01
24,000
HK$0.978
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 (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805
PRG21AR420MB1RA
Murata Electronics
1:
HK$3.86
2,132 In Stock
4,000 Expected 18/8/2026
Mouser Part No 81-PRG21AR420MB1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805
2,132 In Stock
4,000 Expected 18/8/2026
1
HK$3.86
10
HK$3.66
25
HK$3.41
50
HK$3.25
100
View
4,000
HK$2.28
100
HK$3.05
250
HK$3.04
500
HK$2.70
1,000
HK$2.55
4,000
HK$2.28
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 (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805
PRG21AR420MS1RA
Murata Electronics
1:
HK$3.53
1,242 In Stock
Mouser Part No 81-PRG21AR420MS1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805
1,242 In Stock
1
HK$3.53
10
HK$3.28
25
HK$3.06
50
HK$2.90
100
View
4,000
HK$2.01
100
HK$2.76
500
HK$2.48
1,000
HK$2.31
4,000
HK$2.01
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 (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805
PRG21BB220MB1RK
Murata Electronics
1:
HK$3.95
1,480 In Stock
12,000 On Order
Mouser Part No 81-PRG21BB220MB1RK
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 22 OHM 20% SMD 0805
1,480 In Stock
12,000 On Order
View Dates
Stock:
1,480 Can Dispatch Immediately
On Order:
3,000 Expected 18/9/2026
9,000 Expected 24/9/2026
Factory Lead Time:
12 Weeks
1
HK$3.95
10
HK$3.67
25
HK$3.44
50
HK$3.26
100
View
3,000
HK$2.38
100
HK$3.11
500
HK$2.79
1,000
HK$2.62
3,000
HK$2.38
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 (Positive Temperature Coefficient) Thermistors 0.6 OHM 20% SMD 0805
PRG21BC0R6MM1RA
Murata Electronics
1:
HK$4.52
3,870 In Stock
Mouser Part No 81-PRG21BC0R6MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 0.6 OHM 20% SMD 0805
3,870 In Stock
1
HK$4.52
10
HK$4.23
25
HK$3.95
50
HK$3.75
100
View
4,000
HK$2.76
100
HK$3.58
500
HK$3.22
1,000
HK$3.03
4,000
HK$2.76
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 (Positive Temperature Coefficient) Thermistors 1 OHM 20% SMD 0805
PRG21BC1R0MM1RA
Murata Electronics
1:
HK$4.19
4,969 In Stock
Mouser Part No 81-PRG21BC1R0MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 1 OHM 20% SMD 0805
4,969 In Stock
1
HK$4.19
10
HK$3.94
25
HK$3.67
50
HK$3.49
100
View
4,000
HK$2.55
100
HK$3.33
500
HK$3.00
1,000
HK$2.84
4,000
HK$2.55
Buy
Min.: 1 Mult.: 1
Reel :4,000
Details
PRG21-MM1RA
1 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0805
PRG21BC2R2MM1RA
Murata Electronics
1:
HK$4.11
3,050 In Stock
4,000 Expected 25/9/2026
Mouser Part No 81-PRG21BC2R2MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0805
3,050 In Stock
4,000 Expected 25/9/2026
1
HK$4.11
10
HK$3.87
25
HK$3.61
50
HK$3.44
100
View
4,000
HK$2.50
100
HK$3.27
500
HK$2.94
1,000
HK$2.78
4,000
HK$2.50
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 (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805
PRG21BC4R7MM1RA
Murata Electronics
1:
HK$4.11
4,440 In Stock
4,000 Expected 28/9/2026
Mouser Part No 81-PRG21BC4R7MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805
4,440 In Stock
4,000 Expected 28/9/2026
1
HK$4.11
10
HK$3.86
25
HK$3.60
50
HK$3.43
100
View
4,000
HK$2.49
100
HK$3.26
500
HK$2.94
1,000
HK$2.77
4,000
HK$2.49
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 (Positive Temperature Coefficient) Thermistors
PRG18BB221MS1RB
Murata Electronics
4,000:
HK$1.92
Non-Stocked Lead-Time 12 Weeks
Mouser Part No 81-PRG18BB221MS1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
Non-Stocked Lead-Time 12 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 (Positive Temperature Coefficient) Thermistors
PRG18BB470MS1RB
Murata Electronics
4,000:
HK$1.92
Non-Stocked Lead-Time 12 Weeks
Mouser Part No 81-PRG18BB470MS1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
Non-Stocked Lead-Time 12 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
PTC (Positive Temperature Coefficient) Thermistors
PRG18BB471MS1RB
Murata Electronics
4,000:
HK$1.92
Non-Stocked Lead-Time 12 Weeks
Mouser Part No 81-PRG18BB471MS1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
Non-Stocked Lead-Time 12 Weeks
Buy
Min.: 4,000 Mult.: 4,000
Reel :4,000
Details
PRG18-MS1RB
470 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 75 C
AEC-Q100
Reel
PTC (Positive Temperature Coefficient) Thermistors
PRG21AR220MB1RK
Murata Electronics
1:
HK$5.34
Lead-Time 12 Weeks
Mouser Part No 81-PRG21AR220MB1RK
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
Lead-Time 12 Weeks
1
HK$5.34
10
HK$4.05
25
HK$3.49
50
HK$3.37
100
View
3,000
HK$1.95
100
HK$2.87
500
HK$2.49
1,000
HK$2.31
3,000
HK$1.95
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
