KSA1015 is a PNP type silicon transistor produced by Fairchild Semiconductor. Its maximum collector-emitter voltage is -50V, maximum collector-emitter reverse voltage is -50V, maximum collector-base reverse voltage is -5V, maximum collector current is -150mA, maximum base current is -50mA, maximum collector power dissipation is 400mW, maximum junction temperature is 125℃, minimum storage temperature is -65℃, and maximum storage temperature is 150℃.