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Capacitor Discharge Welder PCB patterns (PDF download) [29103221-3] A PDF with the PCB designs for the CD Spot Welder (double-sided). Both layers of all three PCBs are in a single PDF. They are coded 29103221] (Power Supply PCB), 29103222 (Control PCB) and 29103223 (Energy Storage Module PCB). Cat No SC6316. Price: Free Files: CD Welder PCBs (29103221-3).pdf (58.3KB) Related to: Project: Capacitor Discharge Welder, part one (March 2022 [print issue] [online issue]) Project: Capacitor Discharge Welder, Pt2 (April 2022 [print issue] [online issue]) Other items relevant to these projects: Capacitor Discharge Welder Power Supply PCB [29103221] ($5.00) Add to trolley Capacitor Discharge Welder Control PCB [29103222] ($5.00) Add to trolley Capacitor Discharge Welder Energy Storage Module PCB [29103223] ($3.50) Add 10 to trolley IRFB7434(G)PBF‎ N-channel high-current Mosfet ($5.00) Add 1 to trolley Hard-to-get parts & PCB for the Capacitor Discharge Welder Power Supply ($25.00) Add to trolley Validation spreadsheets and updated drilling diagram for the CD Spot Welder (Free) Add to trolley