Thermal resistance is defined as the ration of steady state temperature raise at the collector junction to the power dissipated at the junction. It is expressed in Deg C/W and is given as
Φ = (Tj-TA)/ PD
Thermal resistance is defined as the ration of steady state temperature raise at the collector junction to the power dissipated at the junction. It is expressed in Deg C/W and is given as
Φ = (Tj-TA)/ PD