Steinhart Coefficients

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bullet Introduction   bullet Thermal Time Constant (T.C.)
bullet Chip Configuration   bullet Thermal Dissipation Constant (D.C.)
bullet Volume Resistivity   bullet Voltage–Current Characteristics
bullet Resistance   bullet Tolerance of Thermistors
bullet Slope (Resistance Ratio)   bullet BetaCURVE and BetaCHIP Products
bullet Alpha (Temperature Coefficient)   bullet Stability & reliability of thermistors
bullet Modelling of Conduction in Thermistors   bullet Specification of thermistors for applications
bullet Mathematical Modelling of Thermistors   bullet Application Notes
bullet Exponential Model of NTC Thermistors Beta Value,ß , or Sensitivity Index   bullet Circuit Notes
bullet The Steinhart-Hart Thermistor Equation   bullet Technical Note from Analog Devices
www.analog.com/adn8830
bullet Steinhart Coefficients for BetaTHERM standard part numbers    
bullet Factors affecting measured resistance value of thermistors      
bullet Self heating effect of thermistors      
bullet Zero-power resistance characteristic      
         

BetaTHERM Steinhart Coefficients , A, B and C constants for Standard Part Numbers.

Part No. "A"
Constant		 "B"
Constant		 "C"
Constant		 Temperature
reference points °C
0.1K1A 1.942952x10-3 2.989769x10-4 3.504383x10-7 -20°C, 25°C and 50°C
0.3K1A 1.627660x10-3 2.933316x10-4 2.870016x10-7 -20°C, 25°C and 50°C
1K2A 1.373168x10-3 2.772261x10-4 1.997412x10-7 -20°C, 25°C and 50°C
1K7A 1.446059x10-3 2.683626x10-4 1.643561x10-7 -20°C, 25°C and 50°C
2K3A 1.498872x10-3 2.379047x10-4 1.066953x10-7 0°C, 25°C and 70°C
2.2K3A 1.471388x10-3 2.376138x10-4 1.051058x10-7 0°C, 25°C and 70°C
3K3A 1.405027x10-3 2.369386x10-4 1.012660x10-7 0°C, 25°C and 70°C
5K3A 1.287450x10-3 2.357394x10-4 9.505200x10-8 0°C, 25°C and 70°C
10K3A 1.129241x10-3 2.341077x10-4 8.775468x10-8 0°C, 25°C and 70°C
10K4A 1.028444x10-3 2.392435x10-4 1.562216x10-7 0°C, 25°C and 70°C
30K5A 9.331754x10-4 2.213978x10-4 1.263817x10-7 0°C, 25°C and 70°C
30K6A 1.068981x10-3 2.120700x10-4 9.019537x10-8 0°C, 25°C and 70°C
50K6A 9.657154x10-4 2.106840x10-4 8.585481x10-8 0°C, 25°C and 70°C
100K6A 8.271111x10-4 2.088020x10-4 8.059200x10-8 0°C, 25°C and 70°C
1M9A 7.402387x10-4 1.760865x10-4 6.865999x10-8 25°C, 100°C and 150°C

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