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. 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. 170-8631
Mfr. Part No.NTCLE100E3472JB0
BrandVishay
HK$2.66
Each (In a Bag of 500)
units
- 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. 697-4459
Mfr. Part No.ND03J00681KCC
BrandAVX
HK$4.04
Each (In a Pack of 5)
units
ND03 NTC -3.9%/°C 10s 680 Ω ±10% Compensation, Measurement, Sensing - ±3% - - 3mm - 3.5 (Dia.) x 3mm
RS Stock No. 516-7811
BrandRS PRO
HK$8.74
Each
units
- NTC - 91s 8 Ω ±20% Protection - - - - 6mm - 13 (Dia.) x 6mm
RS Stock No. 167-0531
Mfr. Part No.B57550G1103F000
BrandEPCOS
HK$14.72
Each (In a Box of 1000)
units
- NTC - 7s 10 kΩ ±1% Measurement - - 32mW - - 2.2mm 1.3 (Dia.) x 2.2mm
RS Stock No. 121-8217
Mfr. Part No.B57127P0509M301
BrandEPCOS
HK$17.58
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
RS Stock No. 170-8668
Mfr. Part No.NTCLE300E3103SB
BrandVishay
HK$9.249
Each (In a Box of 1000)
units
- - - - - - - - - - - - - -
RS Stock No. 516-7833
BrandRS PRO
HK$25.81
Each
units
- NTC - 93s 5 Ω ±20% Protection - - - - 6mm - 13 (Dia.) x 6mm
RS Stock No. 191-2263
Mfr. Part No.B57164K0103J000
BrandEPCOS
HK$7.79
Each (In a Pack of 5)
units
- NTC 4.7%/°C 20s 10 kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 165-9830
Mfr. Part No.KTY82/110,215
BrandNXP
HK$4.56
Each (On a Reel of 3000)
units
KTY82 PTC - 0.5 (Flowing Liquid) s, 1 (Still Liquid) s, 7 (Air) s 1.01 kΩ - Control, Measurement SOT23 - - 3mm 1.4mm 0.95mm 3 x 1.4 x 0.95mm
RS Stock No. 853-6563
Mfr. Part No.192-303QET-A01
BrandHoneywell
HK$84.29
Each
units
- - - - - - - - - - - - - -
RS Stock No. 167-8522
Mfr. Part No.B57164K0103J000
BrandEPCOS
HK$3.859
Each (In a Box of 2000)
units
- NTC 4.7%/°C 20s 10 kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 191-1692
Mfr. Part No.B59008C0080A040
BrandEPCOS
HK$15.92
Each
units
- PTC - 20s 250 Ω - Protection - - - 3mm - - -
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. 548-8916
Mfr. Part No.HIH-4602-C
BrandHoneywell
HK$467.80
Each
units
- - - - - - - - - - - - - -
RS Stock No. 191-2257
Mfr. Part No.B57164K0472J000
BrandEPCOS
HK$8.024
Each (In a Pack of 5)
units
- NTC 4.4%/°C 20s 4.7 kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 170-8660
Mfr. Part No.NTCLE203E3472FB0
BrandVishay
HK$7.83
Each (In a Box of 500)
units
- - - - - - - - - - - - - -
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. 171-1814
BrandRS PRO
HK$3.93
Each (On a Reel of 100)
units
- NTC - 56s 10 Ω ±20% Protection - - - - 5mm - 10 (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 - - -
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