Wx-dc12003 — Schematic Work

: A high-frequency transformer provides the 3kV galvanic isolation between the primary (hot) and secondary (safe) sides.

If you have the actual PCB, here is how to map it: wx-dc12003 schematic

: Approximately 80% with a no-load power consumption of less than 0.05W. : A high-frequency transformer provides the 3kV galvanic

WX-DC12003 is a compact, ultra-low-cost switching power supply (SMPS) module frequently sold on platforms like AliExpress and Alibaba. While its schematic is rarely provided by manufacturers, hobbyist reverse-engineering and community analysis reveal it to be a masterclass in "minimalist engineering"—a design philosophy focused on reducing costs to the absolute minimum while maintaining basic functionality. The Architecture of the WX-DC12003 The module is primarily a Primary-Side Regulated (PSR) Flyback Converter wx-dc12003 schematic