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. 293-8654
Mfr. Part No.HEL707-U-0-12
BrandHoneywell
HK$389.61
Each
units
- PTC - 1s - ±0.2% Measurement - ±0.8% - 6.35mm - - 2.18 (Dia.) x 6.355mm
RS Stock No. 171-1818
BrandRS PRO
HK$14.791
Each (On a Reel of 100)
units
- NTC - 135s 10 Ω ±20% Protection - - - - 6mm - 20 (Dia.) x 6mm
RS Stock No. 167-8266
Mfr. Part No.B57364S0100M000
BrandEPCOS
HK$11.089
Each (On a Reel of 1000)
units
- NTC - 100s 10 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 516-7849
BrandRS PRO
HK$22.53
Each
units
- NTC - 135s 10 Ω ±20% Protection - - - - 6mm - 20 (Dia.) x 6mm
RS Stock No. 211-8002
Mfr. Part No.B57364S0100M000
BrandEPCOS
HK$21.58
Each
units
- NTC - 100s 10 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 151-237
BrandRS PRO
HK$31.23
Each
units
- NTC - 10s 10 kΩ ±0.9% Temperature Measurement and Compensation - - 75mW 63.5mm 2.4mm - 2.4 (dia.)mm
RS Stock No. 169-1867
BrandRS PRO
HK$7.455
Each (In a Box of 100)
units
- NTC - 10s 10 kΩ ±0.9% Temperature Measurement and Compensation - - 75mW 63.5mm 2.4mm - 2.4 (dia.)mm
RS Stock No. 211-8030
Mfr. Part No.B57364S0509M000
BrandEPCOS
HK$21.07
Each
units
- NTC - 100s 5 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 167-8293
Mfr. Part No.B57364S0509M000
BrandEPCOS
HK$11.298
Each (On a Reel of 1000)
units
- NTC - 100s 5 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 167-0528
Mfr. Part No.B57540G1103F000
BrandEPCOS
HK$19.838
Each (In a Box of 1000)
units
- NTC - 3s 10 kΩ ±1% Measurement - - 18mW - - 1.4mm 0.8 (Dia.) x 1.4mm
RS Stock No. 216-1466
Mfr. Part No.B57237S0709M000
BrandEPCOS
HK$9.98
Each
units
- NTC - 90s 7 Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 167-0211
Mfr. Part No.B59100M1100A070
BrandEPCOS
HK$23.40
Each (In a Box of 400)
units
- PTC - - 100 Ω - Monitoring, Protection - - - - - 10mm 3 (Dia.) x 10mm
RS Stock No. 167-8274
Mfr. Part No.B57237S0709M000
BrandEPCOS
HK$4.429
Each (On a Reel of 1000)
units
- NTC - 90s 7 Ω ±20% Soft Start Motor, Switching Power Supply - - 3100mW - 7mm - 15 (Dia.) x 7mm
RS Stock No. 769-1892
Mfr. Part No.B57540G1103F000
BrandEPCOS
HK$35.848
Each (In a Pack of 5)
units
- NTC - 3s 10 kΩ ±1% Measurement - - 18mW - - 1.4mm 0.8 (Dia.) x 1.4mm
RS Stock No. 706-2796
Mfr. Part No.B59100M1100A070
BrandEPCOS
HK$43.02
Each
units
- PTC - - 100 Ω - Monitoring, Protection - - - - - 10mm 3 (Dia.) x 10mm
RS Stock No. 819-9155
Mfr. Part No.NTCLE203E3104FB0
BrandVishay
HK$15.54
Each
units
- - - - - - - - - - - - - -
RS Stock No. 706-2759
Mfr. Part No.B57861S0103F045
BrandEPCOS
HK$31.00
Each
units
- NTC 4.4%/°C 15s 10 kΩ ±1% Measurement - ±0.3% 60mW - - 6.5mm 2.41 (Dia.) x 6.5mm
RS Stock No. 619-7728
Mfr. Part No.NCP18WB473J03RB
BrandMurata
HK$1.144
Each (In a Pack of 25)
units
NCP NTC - - 47 kΩ ±5% Compensation, Sensing 0603 (1608M) - 100mW 1.6mm 0.8mm 0.8mm 1.6 x 0.8 x 0.8mm
RS Stock No. 170-8659
Mfr. Part No.NTCLE203E3472GB0
BrandVishay
HK$5.817
Each (In a Box of 500)
units
- - - - - - - - - - - - - -
RS Stock No. 170-8662
Mfr. Part No.NTCLE203E3104FB0
BrandVishay
HK$8.222
Each (In a Box of 500)
units
- - - - - - - - - - - - - -