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. 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. 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. 121-8214
Mfr. Part No.B57127P0508M301
BrandEPCOS
$3.15
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. 293-8654
Mfr. Part No.HEL707-U-0-12
BrandHoneywell
$46.25
Each
units
- PTC - 1s - ±0.2% Measurement - ±0.8% - 6.35mm - - 2.18 (Dia.) x 6.355mm
RS Stock No. 706-2743
Mfr. Part No.B57703M0103G040
BrandEPCOS
$4.94
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. 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. 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. 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
$988.00
1 Box of 2000
Box(es)
- 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
$0.888
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. 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. 769-1852
Mfr. Part No.B57211P0509M301
BrandEPCOS
$1.288
Each (In a Pack of 5)
units
- NTC - 70s ±20% Communication Equipment - - 3000mW - 6mm 20mm 13 (Dia.) x 6 x 20mm
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. 754-6645
Mfr. Part No.NTCLE100E3103JB0
BrandVishay
$0.788
Each (In a Pack of 5)
units
- NTC - 15s 10kΩ ±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. 754-6648
Mfr. Part No.NTCLE100E3472JB0
BrandVishay
$0.752
Each (In a Pack of 5)
units
- NTC - 15s 4.7kΩ ±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. 121-8219
Mfr. Part No.B57127P0100M301
BrandEPCOS
$3.15
Each (In a Bag of 5)
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. 697-4569
Mfr. Part No.NJ28KA0202HCC
BrandAVX
$2.71
Each
units
NJ28 NTC -4.1%/°C 8s 2kΩ ±3% Measurement - ±1% - 2.8mm - - -
RS Stock No. 167-8223
Mfr. Part No.B57237S0100M000
BrandEPCOS
$1,106.80
1 Reel of 1000
Reel(s)
- NTC - 90s 10Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 191-2257
Mfr. Part No.B57164K0472J000
BrandEPCOS
$1.234
Each (In a Pack of 5)
units
- NTC 4.4%/°C 20s 4.7kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 173-1182
Mfr. Part No.B57127P0100M301
BrandEPCOS
$2.10
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
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