Journal of the Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회논문지)

The Korean Institute of Electrical and Electronic Material Engineers (한국전기전자재료학회)
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Behavior of the Temperature Coefficient of Resistance at Parallelly Connected Resistors

병렬로 접속된 저항체에서 저항온도계수의 거동

  • Lee, Sunwoo (Department of Electrical Information, Inha Technical College)
  • 이선우 (인하공업전문대학 전기정보과)
  • Received : 2017.10.26
  • Accepted : 2017.12.08
  • Published : 2018.02.01
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Abstract

In this paper, we discuss the fabrication of metal alloy resistors. We connected them in parallel to estimate their resistance and temperature coefficient of resistance (TCR). The fabricated resistors have different resistances, 5 and $10{\Omega}$ and different TCRs, 50 and $200ppm/^{\circ}C$. Each resistor was confirmed to have the correct atomic composition through the use of energy dispersive X-ray (EDX). The resistors' electrical properties were confirmed by measuring resistance and TCR. The resistance and TCR of the resistors connected in parallel were estimated through the increase in resistance due to the increase in temperature, and were compared with the measured values. We are confident that this TCR estimation technique, which uses the increase in resistance due to temperature, will be very useful in designing and fabricating resistors with low and stable TCR.

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References

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