直2n55512n5401 a92 三极管c1815ss85503904 a423906 a1015

a92 2n54012n5551 三极管 ss85503904c1815直 插a42a1015 3906

3906 .插j三极管 a10152n5551直 ss85503904a92 c1815 2n5401a