A-1847 | | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 100V 0.15A standard switching diode, DO-35 Push button switch, generic, separate symbols, four pins D Push button switch, generic, two pins D Push button switch, generic, separate symbols, four pins D Push button switch with LED, generic D Push button switch with signal lamp, generic K switch dual double-pole single-throw OFF-ON D Single Pole Single Throw (SPST) switch, temperature dependent K temerature switch dual double-pole single-throw OFF-ON D Double Pole Single Throw.