PTC (Positive Temperature Coefficient) Thermistors
PRG21BC1R0MM1RK
Murata Electronics
1:
$0.695
25,511 In Stock
NRND
Mouser Part No
81-PRG21BC1R0MM1RK
NRND
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
25,511 In Stock
1
$0.695
10
$0.652
25
$0.609
50
$0.578
100
View
3,000
$0.441
100
$0.552
500
$0.498
1,000
$0.477
3,000
$0.441
Buy
Min.: 1
Mult.: 1
Details
PRG21-MM1RK
1 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRG21BC2R2MM1RK
Murata Electronics
1:
$0.723
1,773 In Stock
NRND
Mouser Part No
81-PRG21BC2R2MM1RK
NRND
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
1,773 In Stock
1
$0.723
10
$0.673
25
$0.628
50
$0.598
100
View
3,000
$0.457
100
$0.57
500
$0.514
1,000
$0.493
3,000
$0.457
Buy
Min.: 1
Mult.: 1
Details
PRG21-MM1RK
2.2 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRG21BC3R3MM1RK
Murata Electronics
1:
$1.17
2,333 In Stock
NRND
Mouser Part No
81-PRG21BC3R3MM1RK
NRND
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
2,333 In Stock
1
$1.17
10
$0.895
25
$0.77
50
$0.744
100
View
3,000
$0.423
100
$0.634
500
$0.55
1,000
$0.507
3,000
$0.423
Buy
Min.: 1
Mult.: 1
Details
PRG21-MM1RK
3.3 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRF15BB102RB6RC
Murata Electronics
1:
$0.181
57,224 In Stock
Mouser Part No
81-PRF15BB102RB6RC
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
57,224 In Stock
1
$0.181
10
$0.171
25
$0.149
100
$0.142
10,000
$0.10
20,000
View
500
$0.125
1,000
$0.12
5,000
$0.113
20,000
$0.097
Buy
Min.: 1
Mult.: 1
Details
PRF
1 kOhms
50 %
PCB Mount
SMD/SMT
- 40 C
+ 140 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
PRF18BA471QB5RB
Murata Electronics
1:
$0.222
18,458 In Stock
12,000 Expected 23/4/2026
Mouser Part No
81-PRF18BA471QB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
18,458 In Stock
12,000 Expected 23/4/2026
1
$0.222
10
$0.204
25
$0.189
500
$0.179
4,000
$0.164
8,000
View
1,000
$0.167
8,000
$0.15
24,000
$0.124
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 150 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 220 OHM 20% SMD 0603
PRG18BB221MB1RB
Murata Electronics
1:
$0.292
29,772 In Stock
16,000 Expected 5/3/2026
Mouser Part No
81-PRG18BB221MB1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 220 OHM 20% SMD 0603
29,772 In Stock
16,000 Expected 5/3/2026
1
$0.292
10
$0.274
25
$0.227
100
$0.22
4,000
$0.182
8,000
View
500
$0.206
1,000
$0.192
8,000
$0.164
24,000
$0.142
Buy
Min.: 1
Mult.: 1
Details
PRG18-MB1RB
220 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 75 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 20% SMD 0603
PRG18BB470MB1RB
Murata Electronics
1:
$0.445
10,674 In Stock
32,000 On Order
Mouser Part No
81-PRG18BB470MB1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 20% SMD 0603
10,674 In Stock
32,000 On Order
View Dates
Stock:
10,674 Can Dispatch Immediately
On Order:
12,000 Expected 27/3/2026
20,000 Expected 1/5/2026
Factory Lead Time:
14 Weeks
1
$0.445
10
$0.413
25
$0.364
100
$0.345
4,000
$0.267
8,000
View
500
$0.31
1,000
$0.279
8,000
$0.254
24,000
$0.25
Buy
Min.: 1
Mult.: 1
Details
PRG18-MB1RB
47 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 75 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 15 OHM 20% SMD 0805
PRG21BB150MB1RK
Murata Electronics
1:
$0.639
11,381 In Stock
Mouser Part No
81-PRG21BB150MB1RK
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 15 OHM 20% SMD 0805
11,381 In Stock
1
$0.639
10
$0.598
25
$0.559
50
$0.531
100
View
3,000
$0.389
100
$0.506
500
$0.455
1,000
$0.436
3,000
$0.389
Buy
Min.: 1
Mult.: 1
Details
PRG21-MB1RK
15 Ohms
20 %
PCB Mount
SMD/SMT
- 10 C
+ 60 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805
PRG21BC4R7MM1RA
Murata Electronics
1:
$0.667
7,959 In Stock
Mouser Part No
81-PRG21BC4R7MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0805
7,959 In Stock
1
$0.667
10
$0.628
25
$0.587
50
$0.557
100
View
4,000
$0.385
100
$0.531
500
$0.478
1,000
$0.459
4,000
$0.385
Buy
Min.: 1
Mult.: 1
Details
PRG21-MM1RA
4.7 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:
$0.667
9,847 In Stock
12,000 Expected 25/2/2026
Mouser Part No
81-PRG21BC6R8MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 6.8 OHM 20% SMD 0805
9,847 In Stock
12,000 Expected 25/2/2026
1
$0.667
10
$0.627
25
$0.584
50
$0.556
100
View
4,000
$0.413
100
$0.53
250
$0.527
500
$0.47
1,000
$0.457
4,000
$0.413
Buy
Min.: 1
Mult.: 1
Details
PRG21-MM1RA
6.8 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors PTC 0402, 10kOhms, 50%, 32VDC
PRF15BB103RB6RC
Murata Electronics
1:
$0.278
12,597 In Stock
Mouser Part No
81-PRF15BB103RB6RC
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors PTC 0402, 10kOhms, 50%, 32VDC
12,597 In Stock
1
$0.278
10
$0.231
25
$0.179
100
$0.153
10,000
$0.089
20,000
View
500
$0.125
1,000
$0.122
5,000
$0.11
20,000
$0.083
Buy
Min.: 1
Mult.: 1
Details
PRF
10 kOhms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 140 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 1 OHM 50% SMD 0402
PRF15BD102RB6RC
Murata Electronics
1:
$0.181
8,335 In Stock
Mouser Part No
81-PRF15BD102RB6RC
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 1 OHM 50% SMD 0402
8,335 In Stock
1
$0.181
10
$0.171
25
$0.149
100
$0.142
10,000
$0.104
20,000
View
500
$0.125
1,000
$0.12
5,000
$0.107
20,000
$0.10
Buy
Min.: 1
Mult.: 1
Details
PRF
1 kOhms
50 %
PCB Mount
SMD/SMT
- 40 C
+ 120 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRF18AS471QB5RB
Murata Electronics
1:
$0.264
3,520 In Stock
Mouser Part No
81-PRF18AS471QB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
3,520 In Stock
1
$0.264
10
$0.246
25
$0.217
100
$0.204
4,000
$0.12
8,000
View
500
$0.182
1,000
$0.165
8,000
$0.113
24,000
$0.111
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 160 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRF18BB471RB5RB
Murata Electronics
1:
$0.292
3,144 In Stock
Mouser Part No
81-PRF18BB471RB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
3,144 In Stock
1
$0.292
10
$0.267
25
$0.228
100
$0.214
4,000
$0.175
8,000
View
500
$0.188
1,000
$0.178
8,000
$0.163
24,000
$0.16
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 140 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
PRF18BC471QB5RB
Murata Electronics
1:
$0.264
7,705 In Stock
Mouser Part No
81-PRF18BC471QB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
7,705 In Stock
1
$0.264
10
$0.19
25
$0.181
1,000
$0.15
4,000
$0.149
8,000
View
8,000
$0.129
24,000
$0.118
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 130 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
PRF18BC471QS5RB
Murata Electronics
1:
$0.626
6,080 In Stock
Mouser Part No
81-PRF18BC471QS5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
6,080 In Stock
1
$0.626
10
$0.585
25
$0.546
50
$0.518
100
View
4,000
$0.386
100
$0.493
500
$0.445
1,000
$0.425
4,000
$0.386
Buy
Min.: 1
Mult.: 1
Details
PRF18_S
470 Ohms
50 %
PCB Mount
SMD/SMT
- 40 C
+ 150 C
AEC-Q200
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
PRF18BD471QB5RB
Murata Electronics
1:
$0.264
9,713 In Stock
Mouser Part No
81-PRF18BD471QB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
9,713 In Stock
1
$0.264
10
$0.242
25
$0.213
100
$0.202
4,000
$0.154
8,000
View
500
$0.179
1,000
$0.165
8,000
$0.145
24,000
$0.14
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 120 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRF18BD471RB5RB
Murata Electronics
1:
$0.542
2,171 In Stock
Mouser Part No
81-PRF18BD471RB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
2,171 In Stock
1
$0.542
10
$0.509
25
$0.45
100
$0.428
4,000
$0.325
8,000
View
500
$0.385
1,000
$0.357
8,000
$0.304
24,000
$0.299
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 120 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRF18BF471RB5RB
Murata Electronics
1:
$0.556
1,544 In Stock
Mouser Part No
81-PRF18BF471RB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
1,544 In Stock
1
$0.556
10
$0.518
25
$0.46
100
$0.438
4,000
$0.328
8,000
View
500
$0.393
1,000
$0.348
8,000
$0.317
24,000
$0.31
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 100 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805
PRF21BB471QB5RA
Murata Electronics
1:
$0.403
1,880 In Stock
Mouser Part No
81-PRF21BB471QB5RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805
1,880 In Stock
1
$0.403
10
$0.361
25
$0.342
500
$0.334
4,000
$0.229
8,000
View
1,000
$0.318
8,000
$0.224
24,000
$0.221
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 130 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRF21BD471QB5RA
Murata Electronics
1:
$0.612
1,210 In Stock
Mouser Part No
81-PRF21BD471QB5RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
1,210 In Stock
1
$0.612
10
$0.562
25
$0.491
100
$0.436
4,000
$0.282
8,000
View
500
$0.389
1,000
$0.297
8,000
$0.277
24,000
$0.271
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 110 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603
PRG18BB101MS1RB
Murata Electronics
1:
$0.584
2,883 In Stock
Mouser Part No
81-PRG18BB101MS1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603
2,883 In Stock
1
$0.584
10
$0.543
25
$0.507
50
$0.482
100
View
4,000
$0.353
100
$0.459
500
$0.413
1,000
$0.391
4,000
$0.353
Buy
Min.: 1
Mult.: 1
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 470 OHM 20% SMD 0603
PRG18BB471MB1RB
Murata Electronics
1:
$0.292
92 In Stock
16,000 On Order
Mouser Part No
81-PRG18BB471MB1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 20% SMD 0603
92 In Stock
16,000 On Order
View Dates
Stock:
92 Can Dispatch Immediately
On Order:
8,000 Expected 10/3/2026
8,000 Expected 16/4/2026
Factory Lead Time:
12 Weeks
1
$0.292
10
$0.275
25
$0.242
100
$0.229
4,000
$0.157
8,000
View
500
$0.206
1,000
$0.183
8,000
$0.153
24,000
$0.15
Buy
Min.: 1
Mult.: 1
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:
$0.445
6,946 In Stock
20,000 Expected 27/2/2026
Mouser Part No
81-PRG18BC220MM1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
6,946 In Stock
20,000 Expected 27/2/2026
1
$0.445
10
$0.421
25
$0.373
100
$0.354
4,000
$0.282
8,000
View
500
$0.317
1,000
$0.303
8,000
$0.26
24,000
$0.256
Buy
Min.: 1
Mult.: 1
Details
PRG18-MM1RB
22 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805
PRG21AR420MS1RA
Murata Electronics
1:
$0.57
1,584 In Stock
Mouser Part No
81-PRG21AR420MS1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805
1,584 In Stock
1
$0.57
10
$0.534
25
$0.498
50
$0.473
100
View
4,000
$0.343
100
$0.45
500
$0.404
1,000
$0.388
4,000
$0.343
Buy
Min.: 1
Mult.: 1
Details
PRG21-MS1RA
42 Ohms
20 %
PCB Mount
SMD/SMT
- 40 C
+ 105 C
AEC-Q100
Reel, Cut Tape, MouseReel