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All Products > Circuit Protection > Thermistors > PTC Thermistors
PTC Thermistors are available at Mouser Electronics from industry leading manufacturers. Mouser is an authorized distributor for many PTC thermistor manufacturers including EPCOS, GE, Murata, Vishay & more. Please view our large selection of PTC thermistors below.
Category   Circuit Protection >  Thermistors >  PTC Thermistors

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Compare up to 20 parts.
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PRF15BE103RB6RC

New Product
New Product


Murata Electronics PTC Thermistors 0402 70C 10Kohms Posistor-Overheat
Data Sheet 10,000
In Stock
1: $0.44
10: $0.272
100: $0.206
1,000: $0.177
4,000: View



Min.: 1
Mult.: 1
PRF15
81-PRF15BB103RB6RC


To purchase full reel, order in multiples of 10000:
PRF15BB103RB6RC

New Product
New Product


Murata Electronics PTC Thermistors 0402 100C 10Kohms Posistor-Overheat
Data Sheet 9,000
In Stock
Cut Tape
1: $0.44
10: $0.272
100: $0.206
1,000: $0.177
Reel
10,000: $0.129
20,000: View



Min.: 1
Mult.: 1
Reel: 10,000
PRF15
Murata Electronics PRF18BF471RB5RB
PRF18BF471RB5RB

New Product
New Product


Murata Electronics PTC Thermistors 0603 60C 470ohms Posistor-Overheat
Data Sheet 3,819
In Stock
1: $0.62
10: $0.38
100: $0.282
1,000: $0.254
4,000: View



Min.: 1
Mult.: 1
470 Ohms 50 % SMD/SMT PRF18 - 20 C to + 100 C
Murata Electronics PRF18BD471RB5RB
PRF18BD471RB5RB

New Product
New Product


Murata Electronics PTC Thermistors 0603 80C 470ohms Posistor-Overheat
Data Sheet 3,980
In Stock
1: $0.62
10: $0.38
100: $0.282
1,000: $0.254
4,000: View



Min.: 1
Mult.: 1
470 Ohms 50 % SMD/SMT PRF18 - 20 C to + 120 C
Murata Electronics PRF18BC471QS5RB
81-PRF18BC471QS5RB


To purchase full reel, order in multiples of 4000:
PRF18BC471QS5RB

New Product
New Product


Murata Electronics PTC Thermistors 0603 90C 470ohms Posistor-Overheat
Data Sheet 1,640
In Stock
Cut Tape
1: $0.72
10: $0.436
100: $0.323
1,000: $0.291
Reel
4,000: $0.234
8,000: View



Min.: 1
Mult.: 1
Reel: 4,000
470 Ohms 50 % SMD/SMT PRF18 - 20 C to + 130 C
KOA Speer LT1/4LT52R102J3900
 Enlarge
660-LT1/4LT52R102J39


To purchase full reel, order in multiples of 5000:
KOA Speer PTC Thermistors 1K OHM 5%
Data Sheet 19,456
In Stock
Cut Tape
1: $3.89
Reel
5,000: $3.30
10,000: View



Min.: 1
Mult.: 1
Reel: 5,000
1 kOhms 5 % Axial - 40 C to + 125 C
EPCOS / TDK PTC Thermistors 0.2A 150ohms
Data Sheet 13,464
In Stock
1: $1.54
10: $1.22
100: $0.911
500: $0.607
1,500: View



Min.: 1
Mult.: 1
150 Ohms 25 % Radial
Murata Electronics PRF15BB102RB6RC
81-PRF15BB102RB6RC


To purchase full reel, order in multiples of 10000:
Murata Electronics PTC Thermistors 1Kohm@25C 32volts 10K Temp = 115 deg C
Data Sheet 16,729
In Stock
Cut Tape
1: $0.35
10: $0.216
100: $0.164
1,000: $0.141
Reel
10,000: $0.103
20,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 10,000
1 kOhms 50 % SMD/SMT PRF15 - 40 C to + 140 C
Murata Electronics PRF15BD102RB6RC
81-PRF15BD102RB6RC


To purchase full reel, order in multiples of 10000:
Murata Electronics PTC Thermistors 1Kohm@25C 32volts 10K Temp = 95 deg C
Data Sheet 18,960
In Stock
Cut Tape
1: $0.35
10: $0.216
100: $0.164
1,000: $0.141
Reel
10,000: $0.103
20,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 10,000
1 kOhms 50 % SMD/SMT PRF15 - 40 C to + 120 C
Vishay / BC Components PTCCL05H390HBE
 Enlarge
Vishay / BC Components PTC Thermistors 260 OHM 25%
Data Sheet 4,216
In Stock
1: $0.42
500: $0.354
1,000: $0.34
1,500: $0.333



Min.: 1
Mult.: 1
260 Ohms 20 % Radial PTCCL..
Murata Electronics PRF18AR471QB5RB
81-PRF18AR471QB5RB


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 470 Ohm 50% 32volts
Page 837

Data Sheet
15,020
In Stock
Cut Tape
1: $0.49
10: $0.304
100: $0.231
1,000: $0.198
Reel
4,000: $0.15
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
470 Ohms 50 % SMD/SMT PRF18 - 20 C to + 160 C
Murata Electronics PRF18BA471QB5RB
81-PRF18BA471QB5RB


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 470 Ohm 50% 32volts
Page 837

Data Sheet
13,358
In Stock
Cut Tape
1: $0.49
10: $0.308
100: $0.231
1,000: $0.198
Reel
4,000: $0.17
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
470 Ohms 50 % SMD/SMT PRF18 - 20 C to + 150 C
Murata Electronics PRG18BB330MB1RB
81-PRG18BB330MB1RB


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 33 OHM 24V
Page 835

Data Sheet
19,511
In Stock
Cut Tape
1: $0.54
10: $0.327
100: $0.242
1,000: $0.218
Reel
4,000: $0.184
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
33 Ohms 20 % SMD/SMT PRG - 10 C to + 60 C
Murata Electronics PRG18BB471MB1RB
81-PRG18BB471MB1RB


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 470 OHM 24V
Page 835

Data Sheet
19,184
In Stock
Cut Tape
1: $0.54
10: $0.327
100: $0.242
1,000: $0.218
Reel
4,000: $0.184
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
470 Ohms 20 % SMD/SMT PRG - 10 C to + 60 C
Murata Electronics PRG18BB221MB1RB
81-PRG18BB221MB1RB


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 220 OHM 24V
Page 835

Data Sheet
12,272
In Stock
Cut Tape
1: $0.54
10: $0.327
100: $0.242
1,000: $0.218
Reel
4,000: $0.184
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
220 Ohms 20 % SMD/SMT PRG - 10 C to + 60 C
Murata Electronics PRG18BB470MB1RB
81-PRG18BB470MB1RB


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 47 OHM 24V
Page 835

Data Sheet
12,455
In Stock
Cut Tape
1: $0.54
10: $0.327
100: $0.242
1,000: $0.218
Reel
4,000: $0.184
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
47 Ohms 20 % SMD/SMT PRG - 10 C to + 60 C
Murata Electronics PRG18BC2R2MM1RB
81-PRG18BC2R2MM1RB


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 2.2 Ohm 20% 12volts
Page 835

Data Sheet
7,993
In Stock
Cut Tape
1: $0.65
10: $0.395
100: $0.293
1,000: $0.256
Reel
4,000: $0.223
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
2.2 Ohms 20 % SMD/SMT PRG - 10 C to + 60 C
Murata Electronics PRF21AS471QB5RA
81-PRF21AS471QB5RA


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 470 Ohm 50% 32volts
Page 837

Data Sheet
6,750
In Stock
Cut Tape
1: $0.72
10: $0.441
100: $0.327
1,000: $0.294
Reel
4,000: $0.237
24,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
470 Ohms 50 % SMD/SMT PRF21 - 20 C to + 160 C
Murata Electronics PRG18BB330MS1RB
81-PRG18BB330MS1RB


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 33Ohm 20%
Page 835

Data Sheet
15,010
In Stock
Cut Tape
1: $0.79
10: $0.484
100: $0.358
1,000: $0.323
Reel
4,000: $0.26
24,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
33 Ohms 20 % SMD/SMT PRG
Murata Electronics PRG21BC0R2MM1RA
81-PRG21BC0R2MM1RA


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 0.2 OHM 6V
Page 836

Data Sheet
8,000
In Stock
Cut Tape
1: $0.88
10: $0.534
100: $0.396
1,000: $0.356
Reel
4,000: $0.301
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
200 mOhms 20 % SMD/SMT PRG - 10 C to + 60 C
Murata Electronics PRG21BC6R8MM1RA
81-PRG21BC6R8MM1RA


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 6.8 ohms 90deg C
Page 836

Data Sheet
6,659
In Stock
Cut Tape
1: $0.88
10: $0.534
100: $0.396
1,000: $0.356
Reel
4,000: $0.301
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
6.8 Ohms 20 % SMD/SMT PRG - 10 C to + 60 C
871-B59721A130A62


To purchase full reel, order in multiples of 4000:
EPCOS / TDK PTC Thermistors 680volts 130ohms
Data Sheet 8,000
In Stock
Cut Tape
1: $0.88
10: $0.838
100: $0.307
1,000: $0.282
Reel
4,000: $0.188
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
Murata Electronics PRG21BC4R7MM1RA
81-PRG21BC4R7MM1RA


To purchase full reel, order in multiples of 4000:
Murata Electronics PTC Thermistors 4.7 ohms 90deg C
Page 836

Data Sheet
22,270
In Stock
Cut Tape
1: $0.88
10: $0.534
100: $0.396
1,000: $0.356
Reel
4,000: $0.301
8,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 4,000
4.7 Ohms 20 % SMD/SMT PRG - 10 C to + 60 C
NXP Semiconductors KTY82/210,215
771-KTY82210215


To purchase full reel, order in multiples of 3000:
NXP Semiconductors PTC Thermistors SENSOR TEMP TAPE-7
Data Sheet 6,829
In Stock
Alternative Packaging
Cut Tape
1: $0.89
10: $0.64
100: $0.449
1,000: $0.359
Reel
3,000: $0.303
9,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 3,000
Vishay / Dale TFPT1206L1001FM
 Enlarge
71-TFPT1206L1001FM


To purchase full reel, order in multiples of 5000:
Vishay / Dale PTC Thermistors PTC 1Kohms 1% Linear
Data Sheet 4,993
In Stock
Cut Tape
1: $0.90
25: $0.826
100: $0.806
500: $0.714
Reel
5,000: $0.446
10,000: View

MouseReel Available


Min.: 1
Mult.: 1
Reel: 5,000
1 kOhms 1 % SMD/SMT TFPT - 55 C to + 150 C
Compare up to 20 parts.
1335
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