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3.6.6 Thermistor Resistance
The resistance of the thermistor at the operating temperature T
X
(°C) is determined using the following
equation (7).
Equation (7):
R
X
: Resistance at operating temperature Tx (°C)
R
25
: 30 kΩ ± 5% (25°C)
B: 3950 K ± 2 %
T
X
: Operating temperature (°C)
EXP (A) : The Ath power of natural logarithm e (2.71828)
[Rating]
Operating temperature range: -40 °C to +125 °C
1
10
100
0 102030405060708090100
‰·“xiŽj
’ïR’li‚‹ƒ¶j
Figure 3-14 Thermistor Resistance vs. Temperature
1 1
R
X
=R
25
× EXP B × −
273+T
X
298
Resistance
(
kΩ
)
Temperature (°C)