HM22106B1 is an enclosed AC to DC power supply manufactured by TDK-Lambda. It is an SMD RoHS-compliant unit. It converts AC mains voltage into a regulated DC output voltage, providing your device with clean, reliable power. It has a wide input range of 90 - 264VAC and a regulated output voltage of 12V. It has a high efficiency of up to 78%, can handle up to 5A of current and has a low no-load power consumption of 0.5W. Due to its enclosed and shielded design, it provides reliable performance in a wide range of ambient temperatures and is ideal for use in industrial, office, and medical applications.