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. 853-6563
Mfr. Part No.192-303QET-A01
BrandHoneywell
HK$84.29
Each
units
- - - - - - - - - - - - - -
RS Stock No. 813-3559
Mfr. Part No.B57371V2103J060
BrandEPCOS
HK$2.997
Each (In a Pack of 25)
units
B573**V2 NTC - 4s 10 kΩ ±5% Temperature Measurement and Compensation 0603 (1608M) <2% 180mW 1.6mm 0.8mm 0.9mm 1.6 x 0.8 x 0.9mm
RS Stock No. 496-2722
Mfr. Part No.B59707A0120A062
BrandEPCOS
HK$7.97
Each (In a Pack of 5)
units
- PTC - - 125 Ω ±25% Protection 1210 (3225M) - - 3.2mm 2.5mm 1.6mm 3.2 x 2.5 x 1.6mm
RS Stock No. 216-1387
Mfr. Part No.B57237S0109M000
BrandEPCOS
HK$9.52
Each
units
- NTC - 90s 1 Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 754-6645
Mfr. Part No.NTCLE100E3103JB0
BrandVishay
HK$5.618
Each (In a Pack of 5)
units
- 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. 516-7811
BrandRS PRO
HK$12.50
Each
units
- NTC - 91s 8 Ω ±20% Protection - - - - 6mm - 13 (Dia.) x 6mm
RS Stock No. 170-8660
Mfr. Part No.NTCLE203E3472FB0
BrandVishay
HK$7.83
Each (In a Box of 500)
units
- - - - - - - - - - - - - -
RS Stock No. 167-0334
Mfr. Part No.B57371V2103J060
BrandEPCOS
HK$1.177
Each (On a Reel of 4000)
units
B573**V2 NTC - 4s 10 kΩ ±5% Temperature Measurement and Compensation 0603 (1608M) <2% 180mW 1.6mm 0.8mm 0.9mm 1.6 x 0.8 x 0.9mm
RS Stock No. 191-2235
Mfr. Part No.B57164K0102J000
BrandEPCOS
HK$8.024
Each (In a Pack of 5)
units
- NTC 4.1%/°C 20s 1 kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 697-4465
Mfr. Part No.ND03N00103JCC
BrandAVX
HK$5.994
Each (In a Pack of 5)
units
ND03 NTC -4.6%/°C 10s 10 kΩ ±5% Compensation, Measurement, Sensing - ±3% - - 3mm - 3.5 (Dia.) x 3mm
RS Stock No. 191-1793
Mfr. Part No.B59840C0120A070
BrandEPCOS
HK$19.08
Each
units
- PTC - - 6 Ω ±25% Protection - - - - 5mm - 17.5 (Dia.) x 5mm
RS Stock No. 167-8573
Mfr. Part No.B59008C0080A040
BrandEPCOS
HK$6.57
Each (In a Box of 1000)
units
- PTC - 20s 250 Ω - Protection - - - 3mm - - -
RS Stock No. 167-8210
Mfr. Part No.B57045K0103K000
BrandEPCOS
HK$7.84
Each (In a Box of 1000)
units
- NTC 4.7%/°C 75s 10 kΩ ±10% Compensation, Control, Measurement - ±3% 450mW - 8mm 21mm -
RS Stock No. 171-1817
BrandRS PRO
HK$5.614
Each (On a Reel of 100)
units
- NTC - 93s 5 Ω ±20% Protection - - - - 6mm - 13 (Dia.) x 6mm
RS Stock No. 167-8292
Mfr. Part No.B57364S0259M000
BrandEPCOS
HK$13.133
Each (On a Reel of 1000)
units
- NTC - 100s 2.5 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 191-1917
Mfr. Part No.B59890C0120A070
BrandEPCOS
HK$11.04
Each
units
- PTC - - 150 Ω ±25% Protection - - - - 5mm - 4 (Dia.) x 5mm
RS Stock No. 173-1180
Mfr. Part No.B57127P0509M301
BrandEPCOS
HK$12.616
Each (In a Bag of 200)
units
P27 NTC - 200s 5 Ω - Inrush Current Limiting, Soft Start Motor, Switching Power Supply - - 10W 31 (Dia.)mm 7mm - 31 (Dia.) x 7mm
RS Stock No. 191-2184
Mfr. Part No.B57045K0103K000
BrandEPCOS
HK$18.78
Each
units
- NTC 4.7%/°C 75s 10 kΩ ±10% Compensation, Control, Measurement - ±3% 450mW - 8mm 21mm -
RS Stock No. 819-9149
Mfr. Part No.NTCLE203E3472FB0
BrandVishay
HK$15.24
Each
units
- - - - - - - - - - - - - -
RS Stock No. 121-8217
Mfr. Part No.B57127P0509M301
BrandEPCOS
HK$24.322
Each (In a Bag of 5)
units
P27 NTC - 200s 5 Ω - Inrush Current Limiting, Soft Start Motor, Switching Power Supply - - 10W 31 (Dia.)mm 7mm - 31 (Dia.) x 7mm
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