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BackButton (https://www.alps.com/prod/info/E/PDF/Tact/SurfaceMount/SKRT/SKRT.pdf push horizontal SPST 1P1T tactile switch SPST angled PTS645VL83-2 LFS C&K Button tactile switch D MEC 5G single pole double throw D Switch, single pole double throw, separate symbols | | | | | | | | | | D1, D2, D3, D4, D5, D6, D7, D8, D9, D10 100V 0.15A standard switching diode, DO-35"/>