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. 725-9050
Mfr. Part No.NCP18XH103F03RB
BrandMurata
$0.418
Each (In a Pack of 10)
units
NCP NTC - - 10 kΩ ±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
$4.56
Each
units
B57364S0 NTC - 100s 2 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 x 7mm
RS Stock No. 167-8213
Mfr. Part No.B57364S0209M000
BrandEPCOS
$1.776
Each (On a Reel of 1000)
units
B57364S0***M0** NTC - 100s 2 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 x 7mm
RS Stock No. 706-2743
Mfr. Part No.B57703M0103G040
BrandEPCOS
$6.93
Each
units
B57703M NTC 4.4%/°C 50s 10 kΩ ±2% Temperature Measurement - ±1% 150mW 8.5mm 6.5mm 17.5mm 8.5 x 6.5 x 17.5mm
RS Stock No. 167-0146
Mfr. Part No.B57703M0103G040
BrandEPCOS
$3.681
Each (In a Box of 250)
units
B57703M NTC 4.4%/°C 50s 10 kΩ ±2% Temperature Measurement - ±1% 150mW 8.5mm 6.5mm 17.5mm 8.5 x 6.5 x 17.5mm
RS Stock No. 173-1177
Mfr. Part No.B57127P0508M301
BrandEPCOS
$2.367
Each (In a Bag of 200)
units
B57127P0***M301 NTC - 200s 500 mΩ ±20% Inrush Current Limiting, Soft Start Motor, Switching Power Supply - - 10W 31mm 7mm - 31 x 7mm
RS Stock No. 293-8654
Mfr. Part No.HEL707-U-0-12
BrandHoneywell
$76.44
Each
units
HEL-707 PTC - 1s - ±0.2% Measurement - ±0.8% - 6.35mm 2.18mm - 2.2 x 6.4mm
RS Stock No. 516-7861
BrandRS PRO
$8.05
Each
units
- NTC - 100s 5 Ω ±20% Protection - - - - 6mm - 15 x 6mm
RS Stock No. 121-8214
Mfr. Part No.B57127P0508M301
BrandEPCOS
$4.836
Each (In a Bag of 5)
units
B57127P0***M301 NTC - 200s 500 mΩ ±20% Inrush Current Limiting, Soft Start Motor, Switching Power Supply - - 10W 31mm 7mm - 31 x 7mm
RS Stock No. 171-1819
BrandRS PRO
$1.404
Each (On a Reel of 100)
units
- NTC - 100s 5 Ω ±20% Protection - - - - 6mm - 15 x 6mm
RS Stock No. 170-8663
Mfr. Part No.NTCLE203E3103GB0
BrandVishay
$0.925
Each (In a Box of 500)
units
NTCLE203E3 - -4.39%/K - - - - - - 100mW 3.6mm 3mm 8mm 3.6 x 3 x 3.6mm
RS Stock No. 819-9158
Mfr. Part No.NTCLE203E3103GB0
BrandVishay
$2.11
Each
units
NTCLE203E3 - -4.39%/K - - - - - - 100mW 3.6mm 3mm 8mm 3.6 x 3 x 3.6mm
RS Stock No. 167-8526
Mfr. Part No.B57164K0101J000
BrandEPCOS
$0.479
Each (In a Box of 2000)
units
B57164K NTC 3.5%/°C 20s 100 Ω ±5% Compensation, Measurement - ±3% 450mW 2mm 5mm - 5.5 x 2mm
RS Stock No. 191-2213
Mfr. Part No.B57164K0101J000
BrandEPCOS
$1.39
Each (In a Pack of 5)
units
B57164K NTC 3.5%/°C 20s 100 Ω ±5% Compensation, Measurement - ±3% 450mW 3mm 5mm - 5.5 x 3mm
RS Stock No. 697-4569
Mfr. Part No.NJ28KA0202HCC
BrandAVX
$2.71
Each
units
NJ28 NTC -4.1%/°C 8s 2 kΩ ±3% Measurement - ±1% - 2.8mm - - -
RS Stock No. 168-0113
Mfr. Part No.NTCLE100E3103JB0
BrandVishay
$0.464
Each (In a Pack of 500)
units
NTCLE100E3 NTC - 15s 10 kΩ ±5% Sensing & Control, Temperature Compensation in Industrial & Consumer Electronics, Temperature Measurement - - 500mW 3.3mm 3mm 9mm 3.3 x 3 x 9mm
RS Stock No. 216-1371
Mfr. Part No.B57237S0100M000
BrandEPCOS
$1.79
Each
units
B57237S0 NTC - 90s 10 Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 x 7mm
RS Stock No. 170-8631
Mfr. Part No.NTCLE100E3472JB0
BrandVishay
$0.518
Each (In a Bag of 500)
units
NTCLE100E3 NTC - 15s 4.7 kΩ ±5% Sensing & Control, Temperature Compensation in Industrial & Consumer Electronics, Temperature Measurement - - 500mW 3.3mm 3mm 9mm 3.3 x 3 x 9mm
RS Stock No. 167-8223
Mfr. Part No.B57237S0100M000
BrandEPCOS
$0.76
Each (On a Reel of 1000)
units
B57237S0***M0** NTC - 90s 10 Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 x 7mm
RS Stock No. 173-1182
Mfr. Part No.B57127P0100M301
BrandEPCOS
$2.431
Each (In a Bag of 200)
units
B57127P0***M301 NTC - 200s 10 Ω ±20% Inrush Current Limiting, Soft Start Motor, Switching Power Supply - - 10W 31mm 7mm - 31 x 7mm