下面的电路要实现三极管开关的功能,可是总感觉有问题,请各位帮忙看看.其中R256没有焊接.
这个电路,如果输入为+3.3V时,这时三极管的Ib将达到5.5mA,而这时三极管肯定达到饱和状态,这时Ic=1mA左右;请问Ib=5.5mA时,会不会损坏三极管?
谢谢!
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