IEEE Transact IEEE Transactions on Components and Packaging Technologies, Vol. 24, No. 4, pp. 729-737, December 2001.

Parameter Recharacterization: A Method of Thermal Uprating

D. Das, N. Pendse, C. Wilkinson, and M. Pecht
University of Maryland
College Park, MD 20742


The availability of electronic parts rated for operating temperature ranges wider than 0-70oC (commercial temperature range) is decreasing, as semiconductor manufactruers are prone to test and rate parts only in terms of "commercial" applications (e.g., consumer and computer products). Nevertheless, there is a need for parts requiring a larger operating temperature range, especially in avionics, military, automotive and oil drilling electronics. This paper presents a "parameter recharacterization" method for part use outside part manufacturer's specified temperature rage. Cautions that need to be undertaken for successful parameter recharacterization are also presented.

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