Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling) | | 1 | SW_SPDT | Switch, single pole double throw, separate symbols K switch sp3t ON-ON-ON D Switch, three position, single pole double throw K switch dual-pole double-throw spdt ON-ON illuminated red green D Push button switch, generic, two pinsAudio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling)"/> Small Signal NPN Transistor, TO-92Audio Jack, 2 Poles (Mono / TS), Switched T Pole (Normalling)Dual Operational.