PTC Thermistors
PRG21BC3R3MM1RA
Murata Electronics
1:
$0.783
2,808 In Stock
Mouser Part #
81-PRG21BC3R3MM1RA
Murata Electronics
PTC Thermistors
2,808 In Stock
1
$0.783
10
$0.734
25
$0.685
50
$0.652
100
View
4,000
$0.497
100
$0.622
500
$0.56
1,000
$0.537
4,000
$0.497
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 Thermistors
PRG15BC180MM1RC
Murata Electronics
1:
$0.292
9,835 In Stock
NRND
Mouser Part #
81-PRG15BC180MM1RC
NRND
Murata Electronics
PTC Thermistors
9,835 In Stock
1
$0.292
10
$0.272
25
$0.238
100
$0.20
10,000
$0.134
20,000
View
500
$0.173
1,000
$0.166
5,000
$0.149
20,000
$0.13
Buy
Min.: 1
Mult.: 1
Details
PRG15-MM1RC
18 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors 33 OHM 20% SMD 0402
PRG15BC330MM1RC
Murata Electronics
1:
$0.261
2,764 In Stock
10,000 Expected 2026-04-02
NRND
Mouser Part #
81-PRG15BC330MM1RC
NRND
Murata Electronics
PTC Thermistors 33 OHM 20% SMD 0402
2,764 In Stock
10,000 Expected 2026-04-02
1
$0.261
10
$0.235
25
$0.206
100
$0.195
10,000
$0.137
20,000
View
500
$0.173
1,000
$0.164
5,000
$0.149
20,000
$0.135
Buy
Min.: 1
Mult.: 1
Details
PRG15-MM1RC
33 Ohms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors
PRG15BC3R3MM1RC
Murata Electronics
1:
$0.246
11,180 In Stock
NRND
Mouser Part #
81-PRG15BC3R3MM1RC
NRND
Murata Electronics
PTC Thermistors
11,180 In Stock
1
$0.246
10
$0.23
25
$0.201
100
$0.19
10,000
$0.144
20,000
View
500
$0.17
1,000
$0.161
5,000
$0.15
20,000
$0.132
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 Thermistors 4.7 OHM 20% SMD 0402
PRG15BC4R7MM1RC
Murata Electronics
1:
$0.246
4,310 In Stock
NRND
Mouser Part #
81-PRG15BC4R7MM1RC
NRND
Murata Electronics
PTC Thermistors 4.7 OHM 20% SMD 0402
4,310 In Stock
1
$0.246
10
$0.23
25
$0.201
100
$0.19
10,000
$0.137
20,000
View
500
$0.17
1,000
$0.161
5,000
$0.146
20,000
$0.135
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 Thermistors 6.8 OHM 20% SMD 0603
PRG18BC6R8MM1RB
Murata Electronics
1:
$0.399
3,934 In Stock
8,000 Expected 2026-05-04
NRND
Mouser Part #
81-PRG18BC6R8MM1RB
NRND
Murata Electronics
PTC Thermistors 6.8 OHM 20% SMD 0603
3,934 In Stock
8,000 Expected 2026-05-04
1
$0.399
10
$0.387
500
$0.347
1,000
$0.333
4,000
$0.261
8,000
View
8,000
$0.249
24,000
$0.247
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 Thermistors
PRF15BC102RB6RC
Murata Electronics
1:
$0.276
7,781 In Stock
Mouser Part #
81-PRF15BC102RB6RC
Murata Electronics
PTC Thermistors
7,781 In Stock
1
$0.276
10
$0.246
25
$0.216
100
$0.195
10,000
$0.121
20,000
View
500
$0.173
1,000
$0.164
5,000
$0.138
20,000
$0.107
Buy
Min.: 1
Mult.: 1
Details
PRF
1 kOhms
50 %
PCB Mount
SMD/SMT
- 40 C
+ 130 C
Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 50% SMD 0603
PRF18AR471QB5RB
Murata Electronics
1:
$0.292
5,170 In Stock
Mouser Part #
81-PRF18AR471QB5RB
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0603
5,170 In Stock
1
$0.292
10
$0.272
25
$0.239
100
$0.22
4,000
$0.172
8,000
View
500
$0.19
1,000
$0.175
8,000
$0.149
24,000
$0.146
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 160 C
Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 50% SMD 0603
PRF18BA471QS5RB
Murata Electronics
1:
$0.353
4,298 In Stock
Mouser Part #
81-PRF18BA471QS5RB
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0603
4,298 In Stock
1
$0.353
10
$0.324
25
$0.284
100
$0.27
4,000
$0.19
8,000
View
500
$0.241
1,000
$0.203
8,000
$0.178
24,000
$0.175
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 Thermistors 470 OHM 50% SMD 0603
PRF18BD471QS5RB
Murata Electronics
1:
$0.353
1,750 In Stock
4,000 Expected 2026-03-12
Mouser Part #
81-PRF18BD471QS5RB
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0603
1,750 In Stock
4,000 Expected 2026-03-12
1
$0.353
10
$0.322
25
$0.284
100
$0.27
4,000
$0.206
8,000
View
500
$0.241
1,000
$0.215
8,000
$0.195
24,000
$0.192
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 Thermistors 470 OHM 50% SMD 0603
PRF18BE471QB5RB
Murata Electronics
1:
$0.246
16,056 In Stock
8,000 Expected 2026-04-14
Mouser Part #
81-PRF18BE471QB5RB
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0603
16,056 In Stock
8,000 Expected 2026-04-14
1
$0.246
10
$0.227
25
$0.20
100
$0.189
4,000
$0.13
8,000
View
500
$0.169
1,000
$0.16
8,000
$0.118
24,000
$0.117
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 110 C
Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 50% SMD 0603
PRF18BF471QB5RB
Murata Electronics
1:
$0.246
7,560 In Stock
8,000 Expected 2026-04-14
Mouser Part #
81-PRF18BF471QB5RB
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0603
7,560 In Stock
8,000 Expected 2026-04-14
1
$0.246
10
$0.227
25
$0.20
100
$0.189
4,000
$0.143
8,000
View
500
$0.169
1,000
$0.149
8,000
$0.129
24,000
$0.126
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 100 C
Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 50% SMD 0603
PRF18BG471QB5RB
Murata Electronics
1:
$0.246
2,300 In Stock
12,000 Expected 2026-04-16
Mouser Part #
81-PRF18BG471QB5RB
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0603
2,300 In Stock
12,000 Expected 2026-04-16
1
$0.246
10
$0.227
25
$0.20
100
$0.189
4,000
$0.143
8,000
View
500
$0.169
1,000
$0.149
8,000
$0.129
24,000
$0.126
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 90 C
Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 50% SMD 0603
PRF18BG471RB5RB
Murata Electronics
1:
$0.599
4,077 In Stock
Mouser Part #
81-PRF18BG471RB5RB
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0603
4,077 In Stock
1
$0.599
10
$0.562
25
$0.497
100
$0.473
500
View
500
$0.425
1,000
$0.384
4,000
$0.368
12,000
$0.324
28,000
$0.319
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 90 C
Bulk
PTC Thermistors 470 OHM 50% SMD 0805
PRF21BA471QB5RA
Murata Electronics
1:
$0.537
2,421 In Stock
4,000 Expected 2026-03-06
Mouser Part #
81-PRF21BA471QB5RA
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0805
2,421 In Stock
4,000 Expected 2026-03-06
1
$0.537
10
$0.494
25
$0.437
100
$0.416
4,000
$0.315
8,000
View
500
$0.373
1,000
$0.328
8,000
$0.301
24,000
$0.282
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 140 C
Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 50% SMD 0805
PRF21BC471QB5RA
Murata Electronics
1:
$0.675
3,850 In Stock
4,000 Expected 2026-06-01
Mouser Part #
81-PRF21BC471QB5RA
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0805
3,850 In Stock
4,000 Expected 2026-06-01
1
$0.675
10
$0.637
25
$0.565
100
$0.534
4,000
$0.29
8,000
View
500
$0.482
1,000
$0.459
8,000
$0.282
24,000
$0.281
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 120 C
Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 50% SMD 0805
PRF21BE471QB5RA
Murata Electronics
1:
$0.568
3,392 In Stock
4,000 Expected 2026-04-14
Mouser Part #
81-PRF21BE471QB5RA
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0805
3,392 In Stock
4,000 Expected 2026-04-14
1
$0.568
10
$0.536
25
$0.474
100
$0.445
4,000
$0.338
8,000
View
500
$0.398
1,000
$0.382
8,000
$0.321
24,000
$0.266
Buy
Min.: 1
Mult.: 1
Details
PRF
470 Ohms
50 %
PCB Mount
SMD/SMT
- 20 C
+ 100 C
Reel, Cut Tape, MouseReel
PTC Thermistors 100 OHM 20% SMD 0603
PRG18BB101MB1RB
Murata Electronics
1:
$0.338
12,320 In Stock
8,000 Expected 2026-05-01
Mouser Part #
81-PRG18BB101MB1RB
Murata Electronics
PTC Thermistors 100 OHM 20% SMD 0603
12,320 In Stock
8,000 Expected 2026-05-01
1
$0.338
10
$0.312
25
$0.275
100
$0.261
4,000
$0.196
8,000
View
500
$0.232
1,000
$0.207
8,000
$0.189
24,000
$0.183
Buy
Min.: 1
Mult.: 1
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:
$0.322
131 In Stock
55,700 On Order
Mouser Part #
81-PRG18BB330MB1RB
Murata Electronics
PTC Thermistors 33 OHM 20% SMD 0603
131 In Stock
55,700 On Order
View Dates
On Order:
23,700 Expected 2026-03-12
16,000 Expected 2026-05-04
16,000 Expected 2026-05-13
Factory Lead-Time:
14 Weeks
1
$0.322
10
$0.304
25
$0.267
100
$0.253
4,000
$0.18
8,000
View
500
$0.227
1,000
$0.193
8,000
$0.175
Buy
Min.: 1
Mult.: 1
Details
PRG18-MB1RB
33 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:
$0.706
3,930 In Stock
Mouser Part #
81-PRG21AR420MB1RA
Murata Electronics
PTC Thermistors 42 OHM 20% SMD 0805
3,930 In Stock
1
$0.706
10
$0.657
25
$0.612
50
$0.582
100
View
4,000
$0.445
100
$0.554
500
$0.499
1,000
$0.479
4,000
$0.445
Buy
Min.: 1
Mult.: 1
Details
PRG21-MB1RA
42 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:
$0.936
2,491 In Stock
4,000 Expected 2026-04-13
Mouser Part #
81-PRG21BC0R2MM1RA
Murata Electronics
PTC Thermistors 0.2 OHM 20% SMD 0805
2,491 In Stock
4,000 Expected 2026-04-13
1
$0.936
10
$0.88
25
$0.823
50
$0.783
100
View
4,000
$0.589
100
$0.748
500
$0.674
1,000
$0.635
4,000
$0.589
Buy
Min.: 1
Mult.: 1
Details
PRG21-MM1RA
200 mOhms
20 %
PCB Mount
SMD/SMT
- 20 C
+ 85 C
Reel, Cut Tape, MouseReel
PTC Thermistors 0.6 OHM 20% SMD 0805
PRG21BC0R6MM1RA
Murata Electronics
1:
$0.752
475 In Stock
4,000 Expected 2026-03-12
Mouser Part #
81-PRG21BC0R6MM1RA
Murata Electronics
PTC Thermistors 0.6 OHM 20% SMD 0805
475 In Stock
4,000 Expected 2026-03-12
1
$0.752
10
$0.703
25
$0.662
50
$0.639
500
View
4,000
$0.516
500
$0.579
1,000
$0.556
4,000
$0.516
Buy
Min.: 1
Mult.: 1
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:
$0.737
3,723 In Stock
Mouser Part #
81-PRG21BC2R2MM1RA
Murata Electronics
PTC Thermistors 2.2 OHM 20% SMD 0805
3,723 In Stock
1
$0.737
10
$0.694
25
$0.648
50
$0.617
100
View
4,000
$0.451
100
$0.588
500
$0.53
1,000
$0.507
4,000
$0.451
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 Thermistors
PRF15BA102RB6RC
Murata Electronics
1:
$0.276
9,889 Expected 2026-04-10
Mouser Part #
81-PRF15BA102RB6RC
Murata Electronics
PTC Thermistors
9,889 Expected 2026-04-10
1
$0.276
10
$0.229
25
$0.201
100
$0.161
10,000
$0.10
20,000
View
500
$0.141
1,000
$0.135
5,000
$0.121
20,000
$0.095
Buy
Min.: 1
Mult.: 1
Details
PRF
1 kOhms
50 %
PCB Mount
SMD/SMT
- 40 C
+ 150 C
Reel, Cut Tape, MouseReel
PTC Thermistors 470 OHM 50% SMD 0603
PRF18AS471QS5RB
Murata Electronics
1:
$0.507
3,998 Expected 2026-05-08
Mouser Part #
81-PRF18AS471QS5RB
Murata Electronics
PTC Thermistors 470 OHM 50% SMD 0603
3,998 Expected 2026-05-08
1
$0.507
10
$0.428
25
$0.378
100
$0.302
4,000
$0.189
8,000
View
500
$0.25
1,000
$0.19
8,000
$0.186
24,000
$0.184
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