The QM05-BxxR2 is a compact, high-reliability power module designed for global applications. With a universal input range of 85~305VAC 47~63Hz, it supports worldwide voltage standards, delivering a regulated single output with 4000VAC isolation for enhanced safety. Operating at 70-79% efficiency and ≤0.1W standby power, it prioritizes energy savings without compromising performance. Its rugged -40°C to +85°C operating range ensures stability in extreme environments, from industrial automation to smart home systems. The 1”x1”x15mm ultra-compact design maximizes space efficiency, ideal for densely packed electronics. Built-in over-voltage, over-current, and short-circuit protection safeguards connected devices, while compliance with IEC/EN/UL62368-1, EN60335-1, and CISPR32/EN55032 Class B EMI standards (no external circuits needed) guarantees global regulatory acceptance. RoHS-compliant and backed by a 3-year warranty, the QM05-BxxR2 is a trusted solution for medical equipment, IoT devices, and telecom infrastructure demanding compact size, robust safety, and long-term reliability.