Supply diode: 1N60 detector diode, DB3 trigger diode, rectifier tube series, Schottky series. Triodes: TO-92, TO-92S, TO-126, TO-252, TO-263, TO-220, TO-3P and other packaged series of large, medium and small power triodes. IC IC: Power module, TV IC, sound IC, DVD player IC, video recorder IC, computer IC, electronic piano IC, communication IC, camera IC, remote control IC, alarm IC, doorbell IC, Flash light IC, music IC, temperature control IC, Watch IC, electric toy IC, other integrated circuits