Switching Controller, Voltage-mode, 0.5A, 220kHz Switching Freq-Max, PDSO8, PLASTIC, SOIC-8

Snap Acting/Limit Switch, Momentary, 0.02A, 40VDC, Screw Terminal, Panel Mount,

Switching Regulator/Controller, Voltage-mode, 440kHz Switching Freq-Max, BIPolar, PDSO14,
Switch Limit N.O./N.C. SPDT Side Rotary Conduit Rotary Screw Mount