(Normalling) Operational amplifier, DIP-8Audio Jack, 2 Poles (Mono / TS)Schottky Barrier Rectifier Diode, DO-41Schottky Barrier Rectifier Diode, DO-41Switch, triple pole double throw, separate symbols K switch single-pole double-throw spdt ON-ON illuminated red green D Push button switch, generic, two pins D Momentary Switch, single pole double throw, separate symbols K switch single-pole double-throw spdt ON-ON illuminated.