TEXAS INSTRUMENTS UC3842AD8 PWM Controller, 30V-10V supply, 500 kHz, 13.5V/1A out, SOIC-8

7-Position Adjustable Shorting Switch, 125V 300mA Through Hole
Switch Safety Interlock N.O./N.C. SPDT Rod 15.1A 250VAC 250VDC 372.85VA Screw Mount Quick Connect