This wall mounted 110V to 12V power supply 0.5A provides a high-power-density and cost-effective solution for a variety of application field. The 12 volt power supply operates at a high switching frequency to achieve high efficiency in all load conditions, with an extremely low total standby consumption and low output ripple and nose. Full protection functions improve the reliability including OCP, OVP, OLP, and effective thermal management enhances reliability further, allows the 12v 10w power supply to operate at full power in higher ambient temperatures. The 12 volt dc power supply also provides good EMC and low total harmonic distortion (THD) over the universal input voltage.