Excellent switching times: tr = 0.5 ìs (max), tf = 0.3 ìs (max) High DC current gain: hFE = 20 (min)出色的开关时间: TR = 0.5 ìs (最大) , TF = 0.3 ìs (最大值)高直流电流增益: hFE参数= 20 (分钟)