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. 191-2279
Mfr. Part No.B57164K0223J000
BrandEPCOS
HK$7.634
Each (In a Pack of 5)
units
- NTC 4.6%/°C 20s 22 kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 167-8213
Mfr. Part No.B57364S0209M000
BrandEPCOS
HK$13.133
Each (On a Reel of 1000)
units
- NTC - 100s 2 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 211-7986
Mfr. Part No.B57236S0509M000
BrandEPCOS
HK$7.69
Each
units
- NTC - 70s 5 Ω ±20% Switching Power Supply - - 2100mW - 6mm - 11.5 (Dia.) x 6mm
RS Stock No. 167-8229
Mfr. Part No.B57540G0104J
BrandEPCOS
HK$13.641
Each (In a Box of 1000)
units
- NTC 4.5%/°C 3s 100 kΩ ±5% Automotive, General Electronics, Home Appliance - - 18mW - - 1.4mm 0.8 (Dia.) x 1.4mm
RS Stock No. 121-8218
Mfr. Part No.B57127P0709M301
BrandEPCOS
HK$17.40
Each (In a Bag of 5)
units
P27 NTC - 200s 7 Ω - Inrush Current Limiting, Soft Start Motor, Switching Power Supply - - 10W 31 (Dia.)mm 7mm - 31 (Dia.) x 7mm
RS Stock No. 167-8265
Mfr. Part No.B57236S0509M000
BrandEPCOS
HK$4.878
Each (On a Reel of 1000)
units
- NTC - 70s 5 Ω ±20% Switching Power Supply - - 2100mW - 6mm - 11.5 (Dia.) x 6mm
RS Stock No. 819-9158
Mfr. Part No.NTCLE203E3103GB0
BrandVishay
HK$11.65
Each
units
- - - - - - - - - - - - - -
RS Stock No. 528-8592
Mfr. Part No.B57540G0104J
BrandEPCOS
HK$37.74
Each
units
- NTC 4.5%/°C 3s 100 kΩ ±5% Automotive, General Electronics, Home Appliance - - 18mW - - 1.4mm 0.8 (Dia.) x 1.4mm
RS Stock No. 162-2800
Mfr. Part No.NJ28PA0203FCC
BrandAVX
HK$4.773
Each (In a Box of 1000)
units
NJ28 NTC -4.8%/°C 8s 20 kΩ ±1% Measurement - ±1% - 2.8mm - - -
RS Stock No. 167-5743
Mfr. Part No.NTPAJ6R0LDKB0
BrandMurata
HK$7.043
Each (In a Bag of 100)
units
NTP NTC - 125s 6 Ω ±15% CRT Monitor, Power Supply, Switching Power Supply, Television, VCR Power Supply - - - 20 (Dia.)mm 5.5mm - 20 (Dia.) x 5.5mm
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. 167-8208
Mfr. Part No.B59880C0120A070
BrandEPCOS
HK$5.83
Each (In a Box of 1000)
units
- PTC - - 70 Ω ±25% Protection - - - - 5mm - 6.5 (Dia.) x 5mm
RS Stock No. 191-1793
Mfr. Part No.B59840C0120A070
BrandEPCOS
HK$18.70
Each
units
- PTC - - 6 Ω ±25% Protection - - - - 5mm - 17.5 (Dia.) x 5mm
RS Stock No. 191-1917
Mfr. Part No.B59890C0120A070
BrandEPCOS
HK$10.82
Each
units
- PTC - - 150 Ω ±25% Protection - - - - 5mm - 4 (Dia.) x 5mm
RS Stock No. 516-7833
BrandRS PRO
HK$24.94
Each
units
- NTC - 93s 5 Ω ±20% Protection - - - - 6mm - 13 (Dia.) x 6mm
RS Stock No. 191-2257
Mfr. Part No.B57164K0472J000
BrandEPCOS
HK$7.648
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. 819-9186
Mfr. Part No.NTCLE300E3103SB
BrandVishay
HK$10.31
Each
units
- - - - - - - - - - - - - -
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. 191-2235
Mfr. Part No.B57164K0102J000
BrandEPCOS
HK$7.648
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. 171-1813
BrandRS PRO
HK$7.486
Each (On a Reel of 100)
units
- NTC - 100s 25 Ω ±20% Protection - - - - 6mm - 15 (Dia.) x 6mm
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