The HWS3-12S12 is a Power Module SIP-8 RoHS manufactured by WIER. It is a single-phase full-wave rectified switching power supply module with an output voltage range of 12V DC and an output current of 12A. It features active PFC (Power Factor Correction), high efficiency up to 93%, low ripple and noise, wide temperature range, built-in remote sensing, and integrated over current, temperature, and over voltage protections. This module is RoHS (Restriction of Hazardous Substances) compliant and designed to meet the requirements of industrial, commercial, and consumer applications.