Circuit Protection – Mouser Singapore

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PTC Thermistors

TDK PTC Thermistors are thermally sensitive semiconductor resistors made of ceramic components whose electrical resistance rapidly increases when a certain temperature is exceeded. This feature makes TDK PTC Thermistors ideal for use in electrical and electronic engineering applications, for example as resettable fuses against current overload or as short circuit protection in motors. Applications include measurement and control engineering, entertainment, household, and automotive electronics, and data systems and telecommunications.

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Types of Circuit Protection

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Part #

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor

B59641A0085A062
TDK
1: $0.528
159,233In Stock

Mfr. Part No.
B59641A0085A062

Mouser Part No
871-B59641A0085A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 0603 470ohms 85C Temperature Sensor

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Datasheet

159,233In Stock

Cut Tape

$0.528

$0.489

$0.427

$0.352

Reel

$0.268

View

MouseReel Available

Min.: 1
Mult.: 1

: 4,000

PTC (Positive Temperature Coefficient) Thermistors 00C 12Vdc 20ohms Disc PTC Heating

B59060A0000A010
TDK
1: $2.07
3,445In Stock

Mfr. Part No.
B59060A0000A010

Mouser Part No
871-B59060A0000A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 00C 12Vdc 20ohms Disc PTC Heating

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Datasheet

3,445In Stock

$2.07

$1.97

$1.86

$1.78

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 40C 12Vdc 4ohms Disc PTC Heating

B59060A0040A010
TDK
1: $2.07
3,070In Stock

Mfr. Part No.
B59060A0040A010

Mouser Part No
871-B59060A0040A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 40C 12Vdc 4ohms Disc PTC Heating

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Datasheet

3,070In Stock

$2.07

$1.97

$1.86

$1.78

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 180C 12Vdc 3ohms Disc PTC Heating

B59060A0180A010
TDK
1: $1.88
1,945In Stock

Mfr. Part No.
B59060A0180A010

Mouser Part No
871-B59060A0180A010

TDK

PTC (Positive Temperature Coefficient) Thermistors 180C 12Vdc 3ohms Disc PTC Heating

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Datasheet

1,945In Stock

$1.88

$1.78

$1.68

$1.61

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 1210 24Vdc 180mA PTC Overcurrent

B59606A0110A062
TDK
1: $1.45
4,038In Stock

Mfr. Part No.
B59606A0110A062

Mouser Part No
871-B59606A0110A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 1210 24Vdc 180mA PTC Overcurrent

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Datasheet

4,038In Stock

Cut Tape

$1.45

$1.29

$1.07

$1.01

View

Reel

$0.645

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PTC (Positive Temperature Coefficient) Thermistors 1210 80VDC 50mA PTC Overcurrent

B59707A0120A062
TDK
1: $1.21
22,178In Stock
14,000Expected 1/7/2026

Mfr. Part No.
B59707A0120A062

Mouser Part No
871-B59707A0120A062

TDK

PTC (Positive Temperature Coefficient) Thermistors 1210 80VDC 50mA PTC Overcurrent

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Datasheet

22,178In Stock

14,000Expected 1/7/2026

Cut Tape

$1.21

$1.12

$0.959

$0.898

View

Reel

$0.595

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PTC (Positive Temperature Coefficient) Thermistors 1.5 OHM 25% SMD 1210

B59907A120A62
TDK
1: $1.45
5,076In Stock

Mfr. Part No.
B59907A120A62

Mouser Part No
871-B59907A120A62

TDK

PTC (Positive Temperature Coefficient) Thermistors 1.5 OHM 25% SMD 1210

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Datasheet

5,076In Stock

Cut Tape

$1.45

$1.32

$1.16

$1.07

View

Reel

$0.645

MouseReel Available

Min.: 1
Mult.: 1

: 2,000

PTC (Positive Temperature Coefficient) Thermistors T=5K 120deg C

B59008C0120A040
TDK
1: $1.85
2,110In Stock

Mfr. Part No.
B59008C0120A040

Mouser Part No
871-B59008C120A40

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 120deg C

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Datasheet

2,110In Stock

$1.85

$1.77

$1.65

$1.58

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors T=5K 70deg C

B59008C0070A040
TDK
1: $1.85
4,009In Stock

Mfr. Part No.
B59008C0070A040

Mouser Part No
871-B59008C70A40

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 70deg C

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Datasheet

4,009In Stock

$1.85

$1.77

$1.65

$1.52

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors T=5K 80deg C

B59008C0080A040
TDK
1: $2.02
1,829In Stock

Mfr. Part No.
B59008C0080A040

Mouser Part No
871-B59008C80A40

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 80deg C

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Datasheet

1,829In Stock

$2.02

$1.93

$1.81

$1.74

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 11-P 430 1.3X0.5 PTC Thermistor

B59011E0160A040
TDK
1: $19.88
310In Stock

Mfr. Part No.
B59011E0160A040

Mouser Part No
871-B59011E0160A040

TDK

PTC (Positive Temperature Coefficient) Thermistors 11-P 430 1.3X0.5 PTC Thermistor

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Datasheet

310In Stock

$19.88

$16.53

$15.22

$15.12

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor D 1050-B 100-A 40 NAT 100 GRAD C

B59050D1100B040
TDK
1: $16.39
1,101In Stock

Mfr. Part No.
B59050D1100B040

Mouser Part No
871-B59050D1100B40

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor D 1050-B 100-A 40 NAT 100 GRAD C

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Datasheet

1,101In Stock

$16.39

$13.97

$12.82

$12.34

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors T=5K 80deg C

B59100M1080A070
TDK
1: $5.94
3,394In Stock
4,000Expected 30/7/2026

Mfr. Part No.
B59100M1080A070

Mouser Part No
871-B59100M1080A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 80deg C

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Datasheet

3,394In Stock

4,000Expected 30/7/2026

$5.94

$5.32

$5.10

$4.82

Reel

$4.41

View

Min.: 1
Mult.: 1

: 200

PTC (Positive Temperature Coefficient) Thermistors T=5K 90deg C

B59100M1090A070
TDK
1: $5.80
1,993In Stock

Mfr. Part No.
B59100M1090A070

Mouser Part No
871-B59100M1090A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 90deg C

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Datasheet

1,993In Stock

$5.80

$5.20

$4.98

$4.71

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 110C +/-5C Motor Prot Single Sensor

B59100M1110A070
TDK
1: $6.35
4,408In Stock

Mfr. Part No.
B59100M1110A070

Mouser Part No
871-B59100M1110A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 110C +/-5C Motor Prot Single Sensor

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Datasheet

4,408In Stock

$6.35

$5.70

$5.45

$5.27

Reel

$4.78

View

Min.: 1
Mult.: 1

: 200

PTC (Positive Temperature Coefficient) Thermistors 120C +/-5C Motor Prot Single Sensor

B59100M1120A070
TDK
1: $6.35
3,027In Stock
1,200Expected 3/7/2026

Mfr. Part No.
B59100M1120A070

Mouser Part No
871-B59100M1120A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 120C +/-5C Motor Prot Single Sensor

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Datasheet

3,027In Stock

1,200Expected 3/7/2026

Cut Tape

$6.35

$5.70

$5.45

$5.07

Reel

$4.60

View

Min.: 1
Mult.: 1

: 200

PTC (Positive Temperature Coefficient) Thermistors T=5K 130deg C

B59100M1130A070
TDK
1: $6.35
2,702In Stock

Mfr. Part No.
B59100M1130A070

Mouser Part No
871-B59100M1130A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 130deg C

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Datasheet

2,702In Stock

$6.35

$5.70

$5.45

$5.16

Reel

$4.60

View

Min.: 1
Mult.: 1

: 200

PTC (Positive Temperature Coefficient) Thermistors T=5K 140deg C

B59100M1140A070
TDK
1: $5.80
889In Stock
2,000Expected 10/8/2026

Mfr. Part No.
B59100M1140A070

Mouser Part No
871-B59100M1140A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 140deg C

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Datasheet

889In Stock

2,000Expected 10/8/2026

$5.80

$5.20

$4.98

$4.71

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors T=5K 150deg C

B59100M1150A070
TDK
1: $6.35
3,201In Stock
2,000Expected 15/9/2026

Mfr. Part No.
B59100M1150A070

Mouser Part No
871-B59100M1150A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 150deg C

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Datasheet

3,201In Stock

2,000Expected 15/9/2026

$6.35

$5.70

$5.45

$5.07

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Single Sensor

B59100M1155A070
TDK
1: $5.25
2,936In Stock
4,400Expected 22/10/2026

Mfr. Part No.
B59100M1155A070

Mouser Part No
871-B59100M1155A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Single Sensor

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Datasheet

2,936In Stock

4,400Expected 22/10/2026

$5.25

$4.71

$4.50

$4.25

View

Min.: 1
Mult.: 1

PTC (Positive Temperature Coefficient) Thermistors T=5K 160deg C

B59100M1160A070
TDK
1: $6.35
793In Stock

Mfr. Part No.
B59100M1160A070

Mouser Part No
871-B59100M1160A70

TDK

PTC (Positive Temperature Coefficient) Thermistors T=5K 160deg C

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Datasheet

793In Stock

$6.35

$5.70

$5.45

$5.16

Reel

$4.60

View

Min.: 1
Mult.: 1

: 200

PTC (Positive Temperature Coefficient) Thermistors 25 OHM 25% SMD 3225

B59215P1080A62
TDK
1: $2.84
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
B59215P1080A62

Mouser Part No
871-B59215P1080A62

TDK

PTC (Positive Temperature Coefficient) Thermistors 25 OHM 25% SMD 3225

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Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

$2.84

$2.61

$2.20

$2.04

Reel

$1.52

View

MouseReel Available

Min.: 1
Mult.: 1

: 1,000

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Triple Sensor

B59300M1155A070
TDK
1: $10.01
669In Stock

Mfr. Part No.
B59300M1155A070

Mouser Part No
871-B59300M1155A070

TDK

PTC (Positive Temperature Coefficient) Thermistors 155C +/-5C Motor Prot Triple Sensor

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Datasheet

669In Stock

$10.01

$9.01

$8.41

$7.80

Reel

$7.12

View

Min.: 1
Mult.: 1

: 200

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor P 1315-A 80-A

B59315P1080A62
TDK
1: $2.42
1,738In Stock

Mfr. Part No.
B59315P1080A62

Mouser Part No
871-B59315P1080A62

TDK

PTC (Positive Temperature Coefficient) Thermistors PTC Thermistor P 1315-A 80-A

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Datasheet

1,738In Stock

Cut Tape

$2.42

$2.31

$2.17

$2.07

Reel

$1.58

View

Min.: 1
Mult.: 1

: 1,000

PTC (Positive Temperature Coefficient) Thermistors 440volts 120ohms ICL AEC-Q200

B59412C1130B070
TDK
1: $3.34
2,904In Stock
2,500Expected 3/9/2026

Mfr. Part No.
B59412C1130B070

Mouser Part No
871-B59412C1130B70

TDK

PTC (Positive Temperature Coefficient) Thermistors 440volts 120ohms ICL AEC-Q200

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Datasheet

2,904In Stock

2,500Expected 3/9/2026

$3.34

$3.18

$3.00

$2.88

View

Min.: 1
Mult.: 1

PTC Thermistors

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