Thermistor ICs

A Thermistor is used in circuits for temperature measurement and current-limiting control. The resistance change of a thermistor depends on the ambient temperature. There are two semiconductor types, based on the temperature coefficient. Negative Temperature Coefficient (NTC) Thermistor: Resistance decreases as temperature rises, Applications in low-temperature measurements of temperature sensors, and inrush current suppression. Positive Temperature Coefficient (PTC) Thermistor: Resistance increases as temperature rises, Applications in overcurrent protection.

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Description Price Series Temperature Coefficient Type Thermal Coefficient Thermal Time Constant Resistance @ 25 °C Tolerance Application Package/Case Accuracy Maximum Power Rating Length Depth Height Dimensions
RS Stock No. 216-1422
Mfr. Part No.B57237S0259M000
BrandEPCOS
SGD1.72
Each
units
- NTC - 90s 2.5 Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 171-1813
BrandRS PRO
SGD1.325
Each (On a Reel of 100)
units
- NTC - 100s 25 Ω ±20% Protection - - - - 6mm - 15 (Dia.) x 6mm
RS Stock No. 167-8229
Mfr. Part No.B57540G0104J
BrandEPCOS
SGD1.559
Each (In a Box of 1000)
units
- NTC 4.5%/°C 3s 100 kΩ ±5% Automotive, General Electronics, Home Appliance - - 18mW - - 1.4mm 0.8 (Dia.) x 1.4mm
RS Stock No. 191-2162
Mfr. Part No.B57045K0472K000
BrandEPCOS
SGD3.28
Each
units
- NTC 4.4%/°C 75s 4.7 kΩ ±10% Compensation, Control, Measurement - ±3% 450mW - 8mm 21mm -
RS Stock No. 706-2853
Mfr. Part No.B59955C0120A070
BrandEPCOS
SGD2.51
Each
units
- PTC - - 800 mΩ ±25% Protection - - - - 3.5mm - 13.5 (Dia.) x 3.5mm
RS Stock No. 167-0531
Mfr. Part No.B57550G1103F000
BrandEPCOS
SGD2.55
Each (In a Box of 1000)
units
- NTC - 7s 10 kΩ ±1% Measurement - - 32mW - - 2.2mm 1.3 (Dia.) x 2.2mm
RS Stock No. 172-8226
BrandRS PRO
SGD15.745
Each (In a Box of 50)
units
- PTC - - - ±0.12% Sensing - - 100mW 9.14mm 3.18mm 3.18mm 9.14 x 3.18 x 3.18mm
RS Stock No. 516-7782
BrandRS PRO
SGD6.22
Each
units
- NTC - 100s 25 Ω ±20% Protection - - - - 6mm - 15 (Dia.) x 6mm
RS Stock No. 769-1919
Mfr. Part No.B57550G1103F000
BrandEPCOS
SGD5.232
Each (In a Pack of 5)
units
- NTC - 7s 10 kΩ ±1% Measurement - - 32mW - - 2.2mm 1.3 (Dia.) x 2.2mm
RS Stock No. 167-8209
Mfr. Part No.B57045K0472K000
BrandEPCOS
SGD1.428
Each (In a Box of 1000)
units
- NTC 4.4%/°C 75s 4.7 kΩ ±10% Compensation, Control, Measurement - ±3% 450mW - 8mm 21mm -
RS Stock No. 167-3995
Mfr. Part No.PTFM04BH222Q2N34B0
BrandMurata
SGD0.647
Each (In a Bag of 200)
units
POSISTOR� PTFM PTC - - 330 Ω - Automotive, AV Equipment, Communication Equipment, Home Appliance, Information Equipment, Power Supply - - - 7.5 (Dia.)mm 3mm - 7.5 (Dia.) x 3mm
RS Stock No. 166-7655
Mfr. Part No.NI24NA0103F--
BrandAVX
SGD1.949
Each (In a Bag of 1000)
units
NI24 NTC -4.6%/°C 8s 10 kΩ ±1% Measurement - ±3% 160mW 2.4mm - - -
RS Stock No. 769-1861
Mfr. Part No.B57211P0100M301
BrandEPCOS
SGD1.312
Each (In a Pack of 5)
units
- NTC - 70s 10 Ω ±20% Communication Equipment - - 3000mW - 6mm 20mm 13 (Dia.) x 6 x 20mm
RS Stock No. 648-0014
Mfr. Part No.B58100A0439A000
BrandEPCOS
SGD11.98
Each
units
- NTC 4.4%/°C - 10 kΩ ±3.6% Measurement - ±2% 18mW - 19.2mm - 22 (Dia.) x 19.2mm
RS Stock No. 785-5804
Mfr. Part No.PTFM04BH222Q2N34B0
BrandMurata
SGD0.712
Each (In a Bag of 5)
units
POSISTOR PTFM PTC - - 330 Ω - Automotive, AV Equipment, Communication Equipment, Home Appliance, Information Equipment, Power Supply - - - 7.5 (Dia.)mm 3mm - 7.5 (Dia.) x 3mm
RS Stock No. 167-0355
Mfr. Part No.B57861S0104F040
BrandEPCOS
SGD1.931
Each (In a Box of 1000)
units
- NTC 4.9%/°C 15s 100 kΩ ±1% Measurement - ±1% 60mW - - 6.5mm 2.41 (Dia.) x 6.5mm
RS Stock No. 516-7861
BrandRS PRO
SGD6.05
Each
units
- NTC - 100s 5 Ω ±20% Protection - - - - 6mm - 15 (Dia.) x 6mm
RS Stock No. 162-0180
Mfr. Part No.B59840C0120A070
BrandEPCOS
SGD1.586
Each (In a Box of 500)
units
- PTC - - 6 Ω ±25% Protection - - - - 5mm - 17.5 (Dia.) x 5mm
RS Stock No. 167-5690
Mfr. Part No.NCP15XH103F03RC
BrandMurata
SGD0.065
Each (On a Reel of 10000)
units
NCP NTC - - 10 kΩ ±1% Compensation, Sensing 0402 (1005M) - 100mW 1mm 0.5mm 0.5mm 1 x 0.5 x 0.5mm
RS Stock No. 167-8293
Mfr. Part No.B57364S0509M000
BrandEPCOS
SGD1.843
Each (On a Reel of 1000)
units
- NTC - 100s 5 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm