PTC (Positive Temperature Coefficient) Thermistors
PRG21BC3R3MM1RA
Murata Electronics
1:
$0.709
2,808 In Stock
Mouser Part No
81-PRG21BC3R3MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
2,808 In Stock
1
$0.709
10
$0.664
25
$0.62
50
$0.591
100
View
4,000
$0.45
100
$0.563
500
$0.507
1,000
$0.487
4,000
$0.45
Buy
Min.: 1
Mult.: 1
Details
PRG21-MM1RA
3.3 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRG15BC180MM1RC
Murata Electronics
1:
$0.264
9,835 In Stock
NRND
Mouser Part No
81-PRG15BC180MM1RC
NRND
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
9,835 In Stock
1
$0.264
10
$0.246
25
$0.215
100
$0.181
10,000
$0.121
20,000
View
500
$0.157
1,000
$0.15
5,000
$0.135
20,000
$0.118
Buy
Min.: 1
Mult.: 1
Details
PRG15-MM1RC
18 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0402
PRG15BC330MM1RC
Murata Electronics
1:
$0.236
2,764 In Stock
10,000 Expected 2/4/2026
NRND
Mouser Part No
81-PRG15BC330MM1RC
NRND
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0402
2,764 In Stock
10,000 Expected 2/4/2026
1
$0.236
10
$0.213
25
$0.186
100
$0.177
10,000
$0.124
20,000
View
500
$0.157
1,000
$0.149
5,000
$0.135
20,000
$0.122
Buy
Min.: 1
Mult.: 1
Details
PRG15-MM1RC
33 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRG15BC3R3MM1RC
Murata Electronics
1:
$0.222
11,180 In Stock
NRND
Mouser Part No
81-PRG15BC3R3MM1RC
NRND
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
11,180 In Stock
1
$0.222
10
$0.209
25
$0.182
100
$0.172
10,000
$0.131
20,000
View
500
$0.154
1,000
$0.146
5,000
$0.136
20,000
$0.12
Buy
Min.: 1
Mult.: 1
Details
PRG15-MM1RC
3.3 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0402
PRG15BC4R7MM1RC
Murata Electronics
1:
$0.222
4,310 In Stock
NRND
Mouser Part No
81-PRG15BC4R7MM1RC
NRND
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 4.7 OHM 20% SMD 0402
4,310 In Stock
1
$0.222
10
$0.209
25
$0.182
100
$0.172
10,000
$0.124
20,000
View
500
$0.154
1,000
$0.146
5,000
$0.132
20,000
$0.122
Buy
Min.: 1
Mult.: 1
Details
PRG15-MM1RC
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 0603
PRG18BC6R8MM1RB
Murata Electronics
1:
$0.361
3,934 In Stock
8,000 Expected 4/5/2026
NRND
Mouser Part No
81-PRG18BC6R8MM1RB
NRND
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 6.8 OHM 20% SMD 0603
3,934 In Stock
8,000 Expected 4/5/2026
1
$0.361
10
$0.35
500
$0.314
1,000
$0.302
4,000
$0.236
8,000
View
8,000
$0.225
24,000
$0.224
Buy
Min.: 1
Mult.: 1
Details
PRG18-MM1RB
6.8 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRF15BC102RB6RC
Murata Electronics
1:
$0.25
7,781 In Stock
Mouser Part No
81-PRF15BC102RB6RC
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
7,781 In Stock
1
$0.25
10
$0.222
25
$0.196
100
$0.177
10,000
$0.11
20,000
View
500
$0.157
1,000
$0.149
5,000
$0.125
20,000
$0.097
Buy
Min.: 1
Mult.: 1
Details
PRF
1 kOhms
50 %
PCB Mount
SMD/SMT
- 40 C
+ 130 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
PRF18AR471QB5RB
Murata Electronics
1:
$0.264
5,170 In Stock
Mouser Part No
81-PRF18AR471QB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
5,170 In Stock
1
$0.264
10
$0.246
25
$0.217
100
$0.199
4,000
$0.156
8,000
View
500
$0.172
1,000
$0.158
8,000
$0.135
24,000
$0.132
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 470 OHM 50% SMD 0603
PRF18BA471QS5RB
Murata Electronics
1:
$0.32
4,298 In Stock
Mouser Part No
81-PRF18BA471QS5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
4,298 In Stock
1
$0.32
10
$0.293
25
$0.257
100
$0.245
4,000
$0.172
8,000
View
500
$0.218
1,000
$0.183
8,000
$0.161
24,000
$0.158
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
PRF18BD471QS5RB
Murata Electronics
1:
$0.32
1,750 In Stock
4,000 Expected 12/3/2026
Mouser Part No
81-PRF18BD471QS5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
1,750 In Stock
4,000 Expected 12/3/2026
1
$0.32
10
$0.292
25
$0.257
100
$0.245
4,000
$0.186
8,000
View
500
$0.218
1,000
$0.195
8,000
$0.177
24,000
$0.174
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
PRF18BE471QB5RB
Murata Electronics
1:
$0.222
16,056 In Stock
8,000 Expected 14/4/2026
Mouser Part No
81-PRF18BE471QB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
16,056 In Stock
8,000 Expected 14/4/2026
1
$0.222
10
$0.206
25
$0.181
100
$0.171
4,000
$0.118
8,000
View
500
$0.153
1,000
$0.145
8,000
$0.107
24,000
$0.106
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 470 OHM 50% SMD 0603
PRF18BF471QB5RB
Murata Electronics
1:
$0.222
7,560 In Stock
8,000 Expected 14/4/2026
Mouser Part No
81-PRF18BF471QB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
7,560 In Stock
8,000 Expected 14/4/2026
1
$0.222
10
$0.206
25
$0.181
100
$0.171
4,000
$0.129
8,000
View
500
$0.153
1,000
$0.135
8,000
$0.117
24,000
$0.114
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 0603
PRF18BG471QB5RB
Murata Electronics
1:
$0.222
2,300 In Stock
12,000 Expected 16/4/2026
Mouser Part No
81-PRF18BG471QB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
2,300 In Stock
12,000 Expected 16/4/2026
1
$0.222
10
$0.206
25
$0.181
100
$0.171
4,000
$0.129
8,000
View
500
$0.153
1,000
$0.135
8,000
$0.117
24,000
$0.114
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 90 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
PRF18BG471RB5RB
Murata Electronics
1:
$0.542
4,077 In Stock
Mouser Part No
81-PRF18BG471RB5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
4,077 In Stock
1
$0.542
10
$0.509
25
$0.45
100
$0.428
500
View
500
$0.385
1,000
$0.348
4,000
$0.334
12,000
$0.293
28,000
$0.289
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 90 C
Bulk
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805
PRF21BA471QB5RA
Murata Electronics
1:
$0.487
2,421 In Stock
4,000 Expected 6/3/2026
Mouser Part No
81-PRF21BA471QB5RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805
2,421 In Stock
4,000 Expected 6/3/2026
1
$0.487
10
$0.448
25
$0.396
100
$0.377
4,000
$0.285
8,000
View
500
$0.338
1,000
$0.297
8,000
$0.272
24,000
$0.256
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 0805
PRF21BC471QB5RA
Murata Electronics
1:
$0.612
3,850 In Stock
4,000 Expected 1/6/2026
Mouser Part No
81-PRF21BC471QB5RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805
3,850 In Stock
4,000 Expected 1/6/2026
1
$0.612
10
$0.577
25
$0.512
100
$0.484
4,000
$0.263
8,000
View
500
$0.436
1,000
$0.416
8,000
$0.256
24,000
$0.254
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 470 OHM 50% SMD 0805
PRF21BE471QB5RA
Murata Electronics
1:
$0.514
3,392 In Stock
4,000 Expected 14/4/2026
Mouser Part No
81-PRF21BE471QB5RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0805
3,392 In Stock
4,000 Expected 14/4/2026
1
$0.514
10
$0.485
25
$0.43
100
$0.403
4,000
$0.306
8,000
View
500
$0.36
1,000
$0.346
8,000
$0.291
24,000
$0.24
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 100 OHM 20% SMD 0603
PRG18BB101MB1RB
Murata Electronics
1:
$0.306
12,320 In Stock
8,000 Expected 1/5/2026
Mouser Part No
81-PRG18BB101MB1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 100 OHM 20% SMD 0603
12,320 In Stock
8,000 Expected 1/5/2026
1
$0.306
10
$0.282
25
$0.249
100
$0.236
4,000
$0.178
8,000
View
500
$0.21
1,000
$0.188
8,000
$0.171
24,000
$0.165
Buy
Min.: 1
Mult.: 1
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:
$0.292
131 In Stock
55,700 On Order
Mouser Part No
81-PRG18BB330MB1RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 33 OHM 20% SMD 0603
131 In Stock
55,700 On Order
View Dates
Stock:
131 Can Dispatch Immediately
On Order:
23,700 Expected 12/3/2026
16,000 Expected 4/5/2026
16,000 Expected 13/5/2026
Factory Lead Time:
14 Weeks
1
$0.292
10
$0.275
25
$0.242
100
$0.229
4,000
$0.163
8,000
View
500
$0.206
1,000
$0.175
8,000
$0.158
Buy
Min.: 1
Mult.: 1
Details
PRG18-MB1RB
33 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:
$0.639
3,930 In Stock
Mouser Part No
81-PRG21AR420MB1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 42 OHM 20% SMD 0805
3,930 In Stock
1
$0.639
10
$0.595
25
$0.555
50
$0.527
100
View
4,000
$0.403
100
$0.502
500
$0.452
1,000
$0.434
4,000
$0.403
Buy
Min.: 1
Mult.: 1
Details
PRG21-MB1RA
42 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:
$0.848
2,491 In Stock
4,000 Expected 13/4/2026
Mouser Part No
81-PRG21BC0R2MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 0.2 OHM 20% SMD 0805
2,491 In Stock
4,000 Expected 13/4/2026
1
$0.848
10
$0.796
25
$0.745
50
$0.709
100
View
4,000
$0.534
100
$0.677
500
$0.61
1,000
$0.575
4,000
$0.534
Buy
Min.: 1
Mult.: 1
Details
PRG21-MM1RA
200 mOhms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 0.6 OHM 20% SMD 0805
PRG21BC0R6MM1RA
Murata Electronics
1:
$0.681
475 In Stock
4,000 Expected 12/3/2026
Mouser Part No
81-PRG21BC0R6MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 0.6 OHM 20% SMD 0805
475 In Stock
4,000 Expected 12/3/2026
1
$0.681
10
$0.637
25
$0.599
50
$0.578
500
View
4,000
$0.467
500
$0.524
1,000
$0.503
4,000
$0.467
Buy
Min.: 1
Mult.: 1
Details
PRG21-MM1RA
600 mOhms
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:
$0.667
3,723 In Stock
Mouser Part No
81-PRG21BC2R2MM1RA
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 2.2 OHM 20% SMD 0805
3,723 In Stock
1
$0.667
10
$0.628
25
$0.587
50
$0.559
100
View
4,000
$0.409
100
$0.532
500
$0.48
1,000
$0.459
4,000
$0.409
Buy
Min.: 1
Mult.: 1
Details
PRG21-MM1RA
2.2 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors
PRF15BA102RB6RC
Murata Electronics
1:
$0.25
9,889 Expected 10/4/2026
Mouser Part No
81-PRF15BA102RB6RC
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors
9,889 Expected 10/4/2026
1
$0.25
10
$0.207
25
$0.182
100
$0.146
10,000
$0.09
20,000
View
500
$0.128
1,000
$0.122
5,000
$0.11
20,000
$0.086
Buy
Min.: 1
Mult.: 1
Details
PRF
1 kOhms
50 %
PCB Mount
SMD/SMT
- 40 C
+ 150 C
Reel, Cut Tape, MouseReel
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
PRF18AS471QS5RB
Murata Electronics
1:
$0.459
3,998 Expected 8/5/2026
Mouser Part No
81-PRF18AS471QS5RB
Murata Electronics
PTC (Positive Temperature Coefficient) Thermistors 470 OHM 50% SMD 0603
3,998 Expected 8/5/2026
1
$0.459
10
$0.388
25
$0.342
100
$0.274
4,000
$0.171
8,000
View
500
$0.227
1,000
$0.172
8,000
$0.168
24,000
$0.167
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