Transformer, WDB4109, 220V 50Hz, Microwave Standby Power

The WDB4109 is a compact linear transformer used as the standby power source in many Samsung microwave ovens, converting 220 V – 230 V AC to 16.33 V and dual 5.47 V outputs for the control board. It is critical for powering the clock, keypad, relays and low‑voltage electronics safely.​