PTC Thermistors
PRG21AR220MS5RA
Murata Electronics
1:
S/3.85
1,054 In Stock
4,000 Expected 9/30/2026
Mouser Part # 81-PRG21AR220MS5RA
Murata Electronics
PTC Thermistors
1,054 In Stock
4,000 Expected 9/30/2026
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
Reel :4,000
Details
PRG21-MS5RA
22 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 105 C
Reel, Cut Tape
PTC Thermistors 100 OHM 20% SMD 0603
PRG18BB101MB1RB
Murata Electronics
1:
S/0.895
32,391 In Stock
20,000 Expected 8/10/2026
Mouser Part # 81-PRG18BB101MB1RB
Murata Electronics
PTC Thermistors 100 OHM 20% SMD 0603
32,391 In Stock
20,000 Expected 8/10/2026
1
S/0.895
10
S/0.814
25
S/0.716
100
S/0.681
4,000
S/0.498
8,000
View
500
S/0.592
1,000
S/0.522
8,000
S/0.471
24,000
S/0.463
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 33 OHM 20% SMD 0603
PRG18BB330MB1RB
Murata Electronics
1:
S/0.856
69,605 In Stock
100,000 Expected 8/4/2026
Mouser Part # 81-PRG18BB330MB1RB
Murata Electronics
PTC Thermistors 33 OHM 20% SMD 0603
69,605 In Stock
100,000 Expected 8/4/2026
1
S/0.856
10
S/0.802
25
S/0.705
100
S/0.666
4,000
S/0.459
24,000
View
500
S/0.58
1,000
S/0.502
24,000
S/0.452
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 33 OHM 20% SMD 0603
PRG18BB330MS1RB
Murata Electronics
1:
S/1.67
9,425 In Stock
Mouser Part # 81-PRG18BB330MS1RB
Murata Electronics
PTC Thermistors 33 OHM 20% SMD 0603
9,425 In Stock
1
S/1.67
10
S/1.55
25
S/1.45
50
S/1.37
100
View
4,000
S/0.996
100
S/1.31
500
S/1.18
1,000
S/1.09
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 0603 47ohm 20% SMD
PRG18BB470MB1RB
Murata Electronics
1:
S/1.28
88,532 In Stock
Mouser Part # 81-PRG18BB470MB1RB
Murata Electronics
PTC Thermistors 0603 47ohm 20% SMD
88,532 In Stock
1
S/1.28
10
S/1.20
25
S/1.06
100
S/0.958
4,000
S/0.716
8,000
View
500
S/0.86
1,000
S/0.755
8,000
S/0.689
24,000
S/0.673
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 470 OHM 20% SMD 0603
PRG18BB471MB1RB
Murata Electronics
1:
S/0.856
24,501 In Stock
28,000 Expected 9/22/2026
Mouser Part # 81-PRG18BB471MB1RB
Murata Electronics
PTC Thermistors 470 OHM 20% SMD 0603
24,501 In Stock
28,000 Expected 9/22/2026
1
S/0.856
10
S/0.802
25
S/0.705
100
S/0.67
4,000
S/0.483
8,000
View
500
S/0.592
1,000
S/0.514
8,000
S/0.463
24,000
S/0.455
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
PRG18BC220MM1RB
Murata Electronics
1:
S/1.32
18,841 In Stock
Mouser Part # 81-PRG18BC220MM1RB
Murata Electronics
PTC Thermistors
18,841 In Stock
1
S/1.32
10
S/1.23
25
S/1.09
100
S/1.03
4,000
S/0.79
8,000
View
500
S/0.915
1,000
S/0.876
8,000
S/0.763
24,000
S/0.705
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 Thermistors 22 OHM 20% SMD 0805
PRG21AR220MS1RK
Murata Electronics
1:
S/1.99
6,994 In Stock
Mouser Part # 81-PRG21AR220MS1RK
Murata Electronics
PTC Thermistors 22 OHM 20% SMD 0805
6,994 In Stock
1
S/1.99
10
S/1.86
25
S/1.65
50
S/1.60
100
View
3,000
S/1.06
100
S/1.36
500
S/1.20
1,000
S/1.15
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 15 OHM 20% SMD 0805
PRG21BB150MB1RK
Murata Electronics
1:
S/1.87
10,449 In Stock
Mouser Part # 81-PRG21BB150MB1RK
Murata Electronics
PTC Thermistors 15 OHM 20% SMD 0805
10,449 In Stock
1
S/1.87
10
S/1.74
25
S/1.63
50
S/1.55
100
View
3,000
S/1.09
100
S/1.47
500
S/1.32
1,000
S/1.25
3,000
S/1.09
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/2.41
8,176 In Stock
Mouser Part # 81-PRG21BC0R2MM1RA
Murata Electronics
PTC Thermistors 0.2 OHM 20% SMD 0805
8,176 In Stock
1
S/2.41
10
S/2.28
25
S/2.13
50
S/2.02
100
View
4,000
S/1.49
100
S/1.93
500
S/1.74
1,000
S/1.64
4,000
S/1.49
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
PRG21BC3R3MM1RA
Murata Electronics
1:
S/2.06
5,605 In Stock
Mouser Part # 81-PRG21BC3R3MM1RA
Murata Electronics
PTC Thermistors
5,605 In Stock
1
S/2.06
10
S/1.93
25
S/1.81
50
S/1.72
100
View
4,000
S/1.26
100
S/1.64
500
S/1.48
1,000
S/1.40
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 6.8 OHM 20% SMD 0805
PRG21BC6R8MM1RA
Murata Electronics
1:
S/1.95
19,080 In Stock
16,000 Expected 10/8/2026
Mouser Part # 81-PRG21BC6R8MM1RA
Murata Electronics
PTC Thermistors 6.8 OHM 20% SMD 0805
19,080 In Stock
16,000 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/1.09
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/1.67
2,638 In Stock
Mouser Part # 81-PRG18BB101MS1RB
Murata Electronics
PTC Thermistors 100 OHM 20% SMD 0603
2,638 In Stock
1
S/1.67
10
S/1.55
25
S/1.45
50
S/1.37
100
View
4,000
S/0.969
100
S/1.31
500
S/1.18
1,000
S/1.09
4,000
S/0.969
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 220 OHM 20% SMD 0603
PRG18BB221MB1RB
Murata Electronics
1:
S/0.856
5,739 In Stock
56,000 Expected 10/8/2026
Mouser Part # 81-PRG18BB221MB1RB
Murata Electronics
PTC Thermistors 220 OHM 20% SMD 0603
5,739 In Stock
56,000 Expected 10/8/2026
1
S/0.856
10
S/0.802
25
S/0.705
100
S/0.67
4,000
S/0.498
8,000
View
500
S/0.592
1,000
S/0.514
8,000
S/0.479
24,000
S/0.463
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 42 OHM 20% SMD 0805
PRG21AR420MB1RA
Murata Electronics
1:
S/1.83
2,132 In Stock
4,000 Expected 8/10/2026
Mouser Part # 81-PRG21AR420MB1RA
Murata Electronics
PTC Thermistors 42 OHM 20% SMD 0805
2,132 In Stock
4,000 Expected 8/10/2026
1
S/1.83
10
S/1.73
25
S/1.62
50
S/1.54
100
View
4,000
S/1.08
100
S/1.44
500
S/1.28
1,000
S/1.21
4,000
S/1.08
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 42 OHM 20% SMD 0805
PRG21AR420MS1RA
Murata Electronics
1:
S/1.67
1,242 In Stock
Mouser Part # 81-PRG21AR420MS1RA
Murata Electronics
PTC Thermistors 42 OHM 20% SMD 0805
1,242 In Stock
1
S/1.67
10
S/1.55
25
S/1.45
50
S/1.37
100
View
4,000
S/0.954
100
S/1.31
500
S/1.18
1,000
S/1.09
4,000
S/0.954
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 22 OHM 20% SMD 0805
PRG21BB220MB1RK
Murata Electronics
1:
S/1.87
1,480 In Stock
12,000 On Order
Mouser Part # 81-PRG21BB220MB1RK
Murata Electronics
PTC Thermistors 22 OHM 20% SMD 0805
1,480 In Stock
12,000 On Order
View Dates
Stock:
1,480 Can Ship Immediately
On Order:
3,000 Expected 9/18/2026
9,000 Expected 9/24/2026
Factory Lead-Time:
12 Weeks
1
S/1.87
10
S/1.74
25
S/1.63
50
S/1.55
100
View
3,000
S/1.13
100
S/1.47
500
S/1.32
1,000
S/1.24
3,000
S/1.13
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 0.6 OHM 20% SMD 0805
PRG21BC0R6MM1RA
Murata Electronics
1:
S/2.14
3,870 In Stock
Mouser Part # 81-PRG21BC0R6MM1RA
Murata Electronics
PTC Thermistors 0.6 OHM 20% SMD 0805
3,870 In Stock
1
S/2.14
10
S/2.00
25
S/1.87
50
S/1.77
100
View
4,000
S/1.31
100
S/1.69
500
S/1.53
1,000
S/1.44
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 1 OHM 20% SMD 0805
PRG21BC1R0MM1RA
Murata Electronics
1:
S/1.99
4,969 In Stock
Mouser Part # 81-PRG21BC1R0MM1RA
Murata Electronics
PTC Thermistors 1 OHM 20% SMD 0805
4,969 In Stock
1
S/1.99
10
S/1.86
25
S/1.74
50
S/1.65
100
View
4,000
S/1.21
100
S/1.58
500
S/1.42
1,000
S/1.34
4,000
S/1.21
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 Thermistors 2.2 OHM 20% SMD 0805
PRG21BC2R2MM1RA
Murata Electronics
1:
S/1.95
2,050 In Stock
4,000 Expected 9/25/2026
Mouser Part # 81-PRG21BC2R2MM1RA
Murata Electronics
PTC Thermistors 2.2 OHM 20% SMD 0805
2,050 In Stock
4,000 Expected 9/25/2026
1
S/1.95
10
S/1.83
25
S/1.71
50
S/1.63
100
View
4,000
S/1.18
100
S/1.55
500
S/1.39
1,000
S/1.32
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 4.7 OHM 20% SMD 0805
PRG21BC4R7MM1RA
Murata Electronics
1:
S/1.95
4,440 In Stock
4,000 Expected 9/28/2026
Mouser Part # 81-PRG21BC4R7MM1RA
Murata Electronics
PTC Thermistors 4.7 OHM 20% SMD 0805
4,440 In Stock
4,000 Expected 9/28/2026
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
PRG18BB221MS1RB
Murata Electronics
4,000:
S/0.907
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 81-PRG18BB221MS1RB
Murata Electronics
PTC 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 Thermistors
PRG18BB470MS1RB
Murata Electronics
4,000:
S/0.907
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 81-PRG18BB470MS1RB
Murata Electronics
PTC 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 Thermistors
PRG18BB471MS1RB
Murata Electronics
4,000:
S/0.907
Non-Stocked Lead-Time 12 Weeks
Mouser Part # 81-PRG18BB471MS1RB
Murata Electronics
PTC 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 Thermistors
PRG21AR220MB1RK
Murata Electronics
1:
S/2.53
Lead-Time 12 Weeks
Mouser Part # 81-PRG21AR220MB1RK
Murata Electronics
PTC Thermistors
Lead-Time 12 Weeks
1
S/2.53
10
S/1.92
25
S/1.65
50
S/1.60
100
View
3,000
S/0.923
100
S/1.36
500
S/1.18
1,000
S/1.09
3,000
S/0.923
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
Peru