子器件均用半(ban)導(dao)體制成，故也稱為電(dian)(dian)力(li)半(ban)導(dao)體器件。電(dian)(dian)力(li)電(dian)(dian)子技(ji)術(shu)所變換的(de)"電(dian)(dian)力(li)"，功率(lv)可以(yi)大到數百MW甚至GW，也可以(yi)小到數W甚至1W以(yi)下。電(dian)(dian)力(li)電(dian)(dian)子器件制造(zao)技(ji)術(shu)是電(dian)(dian)力(li)電(dian)(dian)子技(ji)術(shu)的(de)基礎,我國在這個環節與國外差距比較大。