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Switchmode 78xx Regulator PCB pattern (PDF download) [18105201] A PDF with the PCB design for the homemade Switchmode 78XX replacement (double-sided). This would be difficult to etch yourself, due to the small size and via locations, so it's provided mainly as a reference. Both layers are in a single PDF. Cat No SC5589. Price: Free Files: Switchmode 78xx Replacement PCB (18105201).pdf (4.3KB) Related to: Project: A homemade Switchmode 78XX replacement (August 2020 [print issue] [online issue]) Other items relevant to this project: Switchmode 78xx Replacement PCB [18105201] ($2.50) Add to trolley Kit for the Switchmode 78xx Regulator replacement ($13.50) Add to trolley (with default options)