直插封装 贴片 极性 S8050 J3Y NPN S8550 2TY PNP S9011 1T NPN S9012 2T1 PNP S9013 J3 NPN S9014 J6 NPN S9015 M6 PNP S9016 F6 NPN S9018 J8 NPN Ss8550 Y2 PNP 2n3904 1AM NPN 2n3906 2A PNP 2n5551 G1 NPN 2n5401 2C PNP...