Wx-dc12003 Schematic Jun 2026

: Uses high-quality solid-state or "green gold" electrolytic capacitors (rated for 105°C) to filter the output and provide a low-ripple 5V supply. Key Features for Integration

| Feature | 5V / 700mA Variant | 12V / 300mA Variant | | :--- | :--- | :--- | | | 50V - 277V | 50V - 277V | | Input Voltage (DC) | 70V - 390V | 70V - 390V | | Output Voltage | 5V ±0.15V (no-load & full-load) | 12V ±0.3V | | Output Current | 0mA - 700mA | 0mA - 300mA | | Output Power | 3.5W | 3.6W | | No-load Power | <0.05W | <0.05W | | Full-load Power | <4W | <4W | | Efficiency | Approximately 80% | Approximately 80% (estimated) | | Overload Protection | Yes (Overvoltage, Overcurrent, Overheating, Short circuit) | Yes (Overvoltage, Overcurrent, Overheating, Short circuit) | | Dimensions (LxWxH) | 18.1 x 23.5 x 12.4 mm | Approximately 18.1 x 23.5 x 12.4 mm (varies) | | Weight | Approx. 6 grams | Approx. 5.65 grams | wx-dc12003 schematic

However, here’s what is likely the case: : Uses high-quality solid-state or "green gold" electrolytic

: You can find 3D renderings and CAD files on GrabCAD and 3D ContentCentral . Isolation & Secondary Rectification

A basic RCD (Resistor-Capacitor-Diode) or RC snubber network is placed across the transformer primary winding to suppress high-voltage spikes generated by leakage inductance when the internal MOSFET turns off. 3. Isolation & Secondary Rectification