Ceramic mixture having negative temperature co-efficient, a thermistor containing the ceramic mixture and a process for preparing same

Ceramic mixture having negative temperature co-efficient, a thermistor containing the ceramic mixture and a process for preparing same

34 23A ceramic mixture composition having negative temperature coefficient of resistance (NTC), the said composition comprising about 95 weight % of the tetragonal form of MnOand about 5 weight % of LaO, the said ceramic mixture is mixed with stearic acid and wax, compacted and provided with two ele...

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Hauptverfasser: Singla, Madan Lal, Baldev, Raj, Rajaram, Harchekar Vijay, Bajpal, Ram Prakash
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creator Singla, Madan Lal
Baldev, Raj
Rajaram, Harchekar Vijay
Bajpal, Ram Prakash
description 34 23A ceramic mixture composition having negative temperature coefficient of resistance (NTC), the said composition comprising about 95 weight % of the tetragonal form of MnOand about 5 weight % of LaO, the said ceramic mixture is mixed with stearic acid and wax, compacted and provided with two electrodes disposed from each other to form a thermistor having resistance on the order of mega ohm at a temperature of 25° C. and the resistance of the thermistor drops by almost 40% with every 20° C. rise in temperature and stabilizes to 250±50 ohms at a temperature range of 330° C.±6%.
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title Ceramic mixture having negative temperature co-efficient, a thermistor containing the ceramic mixture and a process for preparing same
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