Thermistor Question?
DTN-C1 03F3H that is used as a defrost thermistor on an air conditioning condensing unit.
Can you tell me if this is a NTC or PTC type?
Answer:
Drop the space between the 1 and 0.
NTC (negative coefficient) with characteristic resistance of 1K (that's the "103") ohm at 25C. Tolerance is +/-1% (that's the "F").
Can't tell by the part number myself,
do you have an ohm meter? put across the thermistor and heat the tip. If the resistance goes down it is NTC, if UP it is a PTC
A "103" value equals 10,000 or 10k ohms.
1 is the first significant digit.
0 is the second significant digit.
And 3 is the amount of zeros after the first 2 digits.
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