Lib="ao_symbols" part="2N3904"> Small Signal NPN Transistor, TO-92Audio Jack, 2 Poles (Mono / TS)"/>
(https://www.analog.com/media/en/package-pcb-resources/package/pkg_pdf/lfcspcp/cp_16_23.pdf, CP-16-23), generated with kicad-footprint-generator connector.