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. 167-8265
Mfr. Part No.B57236S0509M000
BrandEPCOS
HK$3.76
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. 170-8663
Mfr. Part No.NTCLE203E3103GB0
BrandVishay
HK$5.54
Each (In a Box of 500)
units
- - - - - - - - - - - - - -
RS Stock No. 162-2800
Mfr. Part No.NJ28PA0203FCC
BrandAVX
HK$4.87
Each (In a Box of 1000)
units
NJ28 NTC -4.8%/°C 8s 20 kΩ ±1% Measurement - ±1% - 2.8mm - - -
RS Stock No. 173-1181
Mfr. Part No.B57127P0709M301
BrandEPCOS
HK$10.85
Each (In a Bag of 200)
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. 167-8523
Mfr. Part No.B57164K0223J000
BrandEPCOS
HK$2.82
Each (In a Box of 2000)
units
- NTC 4.6%/°C 20s 22 kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
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. 167-0337
Mfr. Part No.B57421V2103J062
BrandEPCOS
HK$1.607
Each (On a Reel of 4000)
units
- - - - - - - - - - - - - -
RS Stock No. 697-4581
Mfr. Part No.NJ28PA0203FCC
BrandAVX
HK$14.55
Each
units
NJ28 NTC -4.8%/°C 8s 20 kΩ ±1% Measurement - ±1% - 2.8mm - - -
RS Stock No. 819-9158
Mfr. Part No.NTCLE203E3103GB0
BrandVishay
HK$12.25
Each
units
- - - - - - - - - - - - - -
RS Stock No. 167-8229
Mfr. Part No.B57540G0104J
BrandEPCOS
HK$8.813
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. 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. 171-1815
BrandRS PRO
HK$6.86
Each (On a Reel of 100)
units
- NTC - 91s 8 Ω ±20% Protection - - - - 6mm - 13 (Dia.) x 6mm
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. 167-8521
Mfr. Part No.B57164K0472J000
BrandEPCOS
HK$2.82
Each (In a Box of 2000)
units
- NTC 4.4%/°C 20s 4.7 kΩ ±5% Compensation, Measurement - ±3% 450mW - 5mm - 5.5 (Dia.) x 5mm
RS Stock No. 162-0307
Mfr. Part No.B59707A0120A062
BrandEPCOS
HK$3.237
Each (On a Reel of 2000)
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. 167-0531
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. 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. 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. 167-8208
Mfr. Part No.B59880C0120A070
BrandEPCOS
HK$5.92
Each (In a Box of 1000)
units
- PTC - - 70 Ω ±25% Protection - - - - 5mm - 6.5 (Dia.) x 5mm
RS Stock No. 167-8417
Mfr. Part No.B59990C0120A070
BrandEPCOS
HK$4.28
Each (In a Box of 1500)
units
- PTC - - 55 Ω ±25% Protection - - - - 3.5mm - 4 (Dia.) x 3.5mm
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