The thermal scaling: From transistor to array

The electrical and thermal performance scaling from transistor to array was studied in this paper to help improve the predictive modeling of the electrical-thermal behavior of bipolar arrays. The dc and ac performance scales well at low bias but not to the medium and high bias because thermal resistance does not scale to the total emitter area. It is demonstrated that after the correction of the R
_TH
in array models, the simulation can predict the electrical-thermal behavior of power arrays.