Thermistors

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. 167-8293
Mfr. Part No.B57364S0509M000
BrandEPCOS
TWD57,667
1 Reel of 1000
Reel(s)
- NTC - 100s 5 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 211-8030
Mfr. Part No.B57364S0509M000
BrandEPCOS
TWD115
Each
units
- NTC - 100s 5 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 742-8424
Mfr. Part No.NTCG104KF104F
BrandTDK
TWD11
Each (In a Pack of 10)
units
- NTC - - 100 kΩ ±1% Measurement, Protection 1005 - - 1mm 0.5mm 0.5mm 1 x 0.5 x 0.5mm
RS Stock No. 122-9832
Mfr. Part No.NCU18WB473F6SRB
BrandMurata
TWD9
Each (In a Bag of 20)
units
NCU NTC - - 47 kΩ - ABS Control Unit, Automotive, High Power Devices, Temperature Compensation, Various Engine Control Units 1608 - 100mW 1.6mm 0.8mm 0.8mm 1.6 x 0.8 x 0.8mm
RS Stock No. 538-0654
Mfr. Part No.NTCLE100E3103HB0
TWD16
Each (In a Pack of 5)
units
- NTC -4.38%/°C 15s 10 kΩ ±3% Compensation, Control, Measurement - ±0.75% - 3.3mm 3mm 9mm 3.3 x 3 x 9mm
RS Stock No. 247-7339
Mfr. Part No.NTC0805J2K0
TWD18
Each (In a Pack of 10)
units
NTC0805 NTC - 4s 2 kΩ ±5% Compensation 0805 ±5% 125mW 2mm 1.25mm 0.5mm 2 x 1.25 x 0.5mm
RS Stock No. 168-0284
Mfr. Part No.NTC0805J2K0
TWD19
Each (In a Box of 100)
units
NTC0805 NTC - 4s 2 kΩ ±5% Compensation 0805 ±5% 125mW 2mm 1.25mm 0.5mm 2 x 1.25 x 0.5mm
RS Stock No. 706-2755
Mfr. Part No.B57703M0502G040
BrandEPCOS
TWD145
Each
units
- NTC 4.4%/°C 50s 5 kΩ ±2% Measurement - ±1% 150mW 8.5mm 6.5mm 17.5mm 8.5 x 6.5 x 17.5mm
RS Stock No. 167-0254
Mfr. Part No.B57703M0502G040
BrandEPCOS
TWD188
Each (In a Box of 500)
units
- NTC 4.4%/°C 50s 5 kΩ ±2% Measurement - ±1% 150mW 8.5mm 6.5mm 17.5mm 8.5 x 6.5 x 17.5mm
RS Stock No. 173-3425
Mfr. Part No.B57235S0509M000
BrandEPCOS
TWD16
Each (In a Box of 1000)
units
- NTC - 60s 5 Ω ±20% Switching Power Supply - - 1800mW - 6mm - 9.5 (Dia.) x 6mm
RS Stock No. 786-9452
Mfr. Part No.NCP18WB473D03RB
BrandMurata
TWD9
Each (In a Pack of 25)
units
NCP NTC - - 47 kΩ ±0.5% Temperature Measurement 0603 - 100mW 1.6mm 0.8mm 0.8mm 1.6 x 0.8 x 0.8mm
RS Stock No. 467-614
Mfr. Part No.B57235S0509M000
BrandEPCOS
TWD22
Each
units
- NTC - 60s 5 Ω ±20% Switching Power Supply - - 1800mW - 6mm - 9.5 (Dia.) x 6mm
RS Stock No. 697-4610
Mfr. Part No.NB12K00103KBB
BrandAVX
TWD11
Each (In a Pack of 5)
units
NB12 NTC -4%/°C 5s 10 kΩ ±10% Protection 0805 ±3% - 2mm 1.25mm 1.3mm 2 x 1.25 x 1.3mm
RS Stock No. 168-0113
Mfr. Part No.238164063103
BrandVishay
TWD10
Each (In a Pack of 500)
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. 754-6645
Mfr. Part No.238164063103
BrandVishay
TWD14
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. 538-0812
Mfr. Part No.NTCLE100E3104JB0
TWD14
Each (In a Pack of 5)
units
- NTC -4.57%/°C 15s 100 kΩ ±5% Compensation, Control, Measurement - ±1.5% - 3.3mm 3mm 9mm 3.3 x 3 x 9mm
RS Stock No. 167-8292
Mfr. Part No.B57364S0259M000
BrandEPCOS
TWD57,667
1 Reel of 1000
Reel(s)
- NTC - 100s 2.5 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 211-8024
Mfr. Part No.B57364S0259M000
BrandEPCOS
TWD108
Each
units
- NTC - 100s 2.5 Ω ±20% Soft Start Motor, Switching Power Supply - - 5100mW - 7mm - 21 (Dia.) x 7mm
RS Stock No. 167-6847
Mfr. Part No.NB12K00103KBB
BrandAVX
TWD22,989
1 Reel of 4000
Reel(s)
NB12 NTC -4%/°C 5s 10 kΩ ±10% Protection 0805 ±3% - 2mm 1.25mm 1.3mm 2 x 1.25 x 1.3mm
RS Stock No. 496-2479
Mfr. Part No.B59115P1080A062
BrandEPCOS
TWD39
Each (In a Pack of 5)
units
- PTC - - 55 Ω ±25% Overcurrent Protection, Short Circuit Protection 3225 - - 8mm 6.3mm 3.3mm 8 x 6.3 x 3.3mm