TransformerThe WA5-220S15D3 is an AC-DC DIP RoHS power module manufactured by Aipu Transformer. This power module is a high efficiency, wide input voltage range, 15W converter, which comes with an adjustable output voltage range of 3.3 to 28Vdc. Featuring a greater than 2000Vrms isolation voltage, this module is suitable for use in Notebook adapters, LCD monitor power supplies, and HVAC control equipment. Other features include a low no-load power consumption of less than 0.2W, EMI suppression of EN55022 Class B, and two kinds of optional cooling plate options to better dissipate the heat.