LM13007是开关三极管,各项参数为:400V,8A,2W,4MHz,可用国外型号MJE13007,MJE13009,国内型号3DK304A代换。
一楼已经回答了,13007在TL494控制的桥路里,像电动车充电器或廉价的电脑电源等