正品SA647DK SA647DH SA6401A SA639DK SA639DH

UC2845AQ W91320A SA5204A AO6401/D1BL AT28C17-15PC丝印记代码

KP1500A1400V BSN20 2SB612A MCH6401 2SA1313

新SA6401A MT6120N P3100EB P3100EA STK5362 MT6618C R

贴插S1D13504F00A-2SA1179M7-HL-XC6401FF40MR