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. 121-8217
Mfr. Part No.B57127P0509M301
BrandEPCOS
$3.18
Each (In a Bag of 5)
units
P27 NTC - 200s - Inrush Current Limiting, Soft Start Motor, Switching Power Supply - - 10W 31 (Dia.)mm 7mm - 31 (Dia.) x 7mm
RS Stock No. 191-2241
Mfr. Part No.B57164K0222J000
BrandEPCOS
$1.39
Each (In a Pack of 5)
units
- NTC 4.3%/°C 20s 2.2kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 167-8520
Mfr. Part No.B57164K0222J000
BrandEPCOS
$0.494
Each (In a Box of 2000)
units
- NTC 4.3%/°C 20s 2.2kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 167-0146
Mfr. Part No.B57703M0103G040
BrandEPCOS
$6.776
Each (In a Box of 250)
units
- NTC 4.4%/°C 50s 10kΩ ±2% Temperature Measurement - ±1% 150mW 8.5mm 6.5mm 17.5mm 8.5 x 6.5 x 17.5mm
RS Stock No. 293-8654
Mfr. Part No.HEL707-U-0-12
BrandHoneywell
$51.85
Each
units
- PTC - 1s - ±0.2% Measurement - ±0.8% - 6.35mm - - 2.18 (Dia.) x 6.355mm
RS Stock No. 173-1177
Mfr. Part No.B57127P0508M301
BrandEPCOS
$2.10
Each (In a Bag of 200)
units
P27 NTC - 200s 500mΩ - Inrush Current Limiting, Soft Start Motor, Switching Power Supply - - 10W 31 (Dia.)mm 7mm - 31 (Dia.) x 7mm
RS Stock No. 725-9050
Mfr. Part No.NCP18XH103F03RB
BrandMurata
$0.418
Each (In a Pack of 10)
units
NCP NTC - - 10kΩ ±1% Compensation, Sensing 0603 - 100mW 1.6mm 0.8mm 0.8mm 1.6 x 0.8 x 0.8mm
RS Stock No. 211-8018
Mfr. Part No.B57364S0209M000
BrandEPCOS
$3.34
Each
units
- NTC - 100s ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 167-8213
Mfr. Part No.B57364S0209M000
BrandEPCOS
$2.448
Each (On a Reel of 1000)
units
- NTC - 100s ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 538-0733
Mfr. Part No.NTCLE100E3103JB0
$0.996
Each (In a Pack of 5)
units
640 NTC - 15s 10kΩ ±5%% Measurement - - 500mW - - - -
RS Stock No. 121-8214
Mfr. Part No.B57127P0508M301
BrandEPCOS
$3.18
Each (In a Bag of 5)
units
P27 NTC - 200s 500mΩ - Inrush Current Limiting, Soft Start Motor, Switching Power Supply - - 10W 31 (Dia.)mm 7mm - 31 (Dia.) x 7mm
RS Stock No. 706-2743
Mfr. Part No.B57703M0103G040
BrandEPCOS
$5.78
Each
units
- NTC 4.4%/°C 50s 10kΩ ±2% Temperature Measurement - ±1% 150mW 8.5mm 6.5mm 17.5mm 8.5 x 6.5 x 17.5mm
RS Stock No. 170-8663
Mfr. Part No.NTCLE203E3103GB0
BrandVishay
$0.949
Each (In a Box of 500)
units
- - - - - - - - - - - - - -
RS Stock No. 819-9158
Mfr. Part No.NTCLE203E3103GB0
BrandVishay
$2.13
Each
units
- - - - - - - - - - - - - -
RS Stock No. 162-0181
Mfr. Part No.B59915C0120A070
BrandEPCOS
$5.279
Each (In a Box of 500)
units
B59 PTC - - 200mΩ ±25% Protection - - - - 3.5mm - 26 (Dia.) x 3.5mm
RS Stock No. 769-1852
Mfr. Part No.B57211P0509M301
BrandEPCOS
$1.31
Each (In a Pack of 5)
units
- NTC - 70s ±20% Communication Equipment - - 3000mW - 6mm 20mm 13 (Dia.) x 6 x 20mm
RS Stock No. 167-0498
Mfr. Part No.B57211P0509M301
BrandEPCOS
$0.685
Each (In a Box of 500)
units
- NTC - 70s ±20% Communication Equipment - - 3000mW - 6mm 20mm 13 (Dia.) x 6 x 20mm
RS Stock No. 212-0409
Mfr. Part No.B59915C0120A070
BrandEPCOS
$7.14
Each
units
B59 PTC - - 200mΩ ±25% Protection - - - - 3.5mm - 26 (Dia.) x 3.5mm
RS Stock No. 167-8526
Mfr. Part No.B57164K0101J000
BrandEPCOS
$0.494
Each (In a Box of 2000)
units
- NTC 3.5%/°C 20s 100Ω ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 191-2213
Mfr. Part No.B57164K0101J000
BrandEPCOS
$1.39
Each (In a Pack of 5)
units
- NTC 3.5%/°C 20s 100Ω ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
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