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. 173-1182
Mfr. Part No.B57127P0100M301
BrandEPCOS
PHP81.928
Each (In a Bag of 200)
units
P27 NTC - 200s 10Ω - Inrush Current Limiting, Soft Start Motor, Switching Power Supply - - 10W 31 (Dia.)mm 7mm - 31 (Dia.) x 7mm
RS Stock No. 167-8271
Mfr. Part No.B57237S0330M000
BrandEPCOS
PHP25.356
Each (On a Reel of 1000)
units
- NTC - 90s 33Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 167-0143
Mfr. Part No.B57213P0509M301
BrandEPCOS
PHP22.752
Each (In a Box of 1000)
units
- NTC - 80s ±20% Communication Equipment - - 3800mW - 7mm 22mm 14.5 (Dia.) x 7 x 22mm
RS Stock No. 167-8526
Mfr. Part No.B57164K0101J000
BrandEPCOS
PHP15.846
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. 167-8213
Mfr. Part No.B57364S0209M000
BrandEPCOS
PHP56.465
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. 170-8666
Mfr. Part No.NTCAIMME3C90373
BrandVishay
PHP56.18
Each (In a Bag of 250)
units
- - - - - - - - - - - - - -
RS Stock No. 211-8018
Mfr. Part No.B57364S0209M000
BrandEPCOS
PHP110.79
Each
units
- NTC - 100s ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 162-0180
Mfr. Part No.B59840C0120A070
BrandEPCOS
PHP49.086
Each (In a Box of 500)
units
- PTC - - ±25% Protection - - - - 5mm - 17.5 (Dia.) x 5mm
RS Stock No. 769-1886
Mfr. Part No.B57213P0509M301
BrandEPCOS
PHP48.69
Each (In a Pack of 5)
units
- NTC - 80s ±20% Communication Equipment - - 3800mW - 7mm 22mm 14.5 (Dia.) x 7 x 22mm
RS Stock No. 191-2213
Mfr. Part No.B57164K0101J000
BrandEPCOS
PHP42.984
Each (In a Pack of 5)
units
- NTC 3.5%/°C 20s 100Ω ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 706-2856
Mfr. Part No.B59960C0120A070
BrandEPCOS
PHP71.32
Each
units
- PTC - - 5.6Ω ±25% Protection - - - - 3.5mm - 11 (Dia.) x 3.5mm
RS Stock No. 167-0396
Mfr. Part No.B59960C0120A070
BrandEPCOS
PHP36.875
Each (In a Box of 500)
units
- PTC - - 5.6Ω ±25% Protection - - - - 3.5mm - 11 (Dia.) x 3.5mm
RS Stock No. 191-1793
Mfr. Part No.B59840C0120A070
BrandEPCOS
PHP96.53
Each
units
- PTC - - ±25% Protection - - - - 5mm - 17.5 (Dia.) x 5mm
RS Stock No. 819-9173
Mfr. Part No.NTCAIMME3C90373
BrandVishay
PHP66.38
Each
units
- - - - - - - - - - - - - -
RS Stock No. 293-8654
Mfr. Part No.HEL707-U-0-12
BrandHoneywell
PHP1,949.36
Each
units
- PTC - 1s - ±0.2% Measurement - ±0.8% - 6.35mm - - 2.18 (Dia.) x 6.355mm
RS Stock No. 706-2752
Mfr. Part No.B57703M0303G040
BrandEPCOS
PHP212.25
Each
units
- NTC 4.3%/°C 50s 30kΩ ±2% Measurement - ±1% 150mW 8.5mm 6.5mm 17.5mm 8.5 x 6.5 x 17.5mm
RS Stock No. 167-0499
Mfr. Part No.B57211P0100M301
BrandEPCOS
PHP24.531
Each (In a Box of 500)
units
- NTC - 70s 10Ω ±20% Communication Equipment - - 3000mW - 6mm 20mm 13 (Dia.) x 6 x 20mm
RS Stock No. 212-0140
Mfr. Part No.B59870C0080A070
BrandEPCOS
PHP104.37
Each
units
- PTC - - 25Ω ±25% Protection - - - - 5mm - 9 (Dia.) x 5mm
RS Stock No. 167-8223
Mfr. Part No.B57237S0100M000
BrandEPCOS
PHP25.023
Each (On a Reel of 1000)
units
- NTC - 90s 10Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 769-1861
Mfr. Part No.B57211P0100M301
BrandEPCOS
PHP40.894
Each (In a Pack of 5)
units
- NTC - 70s 10Ω ±20% Communication Equipment - - 3000mW - 6mm 20mm 13 (Dia.) x 6 x 20mm
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