High Power Rectifiers & Hot-Swap Power Supply Modules - DongAh is South Korea’s number one supplier of high power rectifiers and hot-swap redundant power supplies. Our selection of front end / rectifiers are the building blocks of today’s communication systems, paving the way with higher densities and greater efficiencies. Designing with DongAh Elecomm technology provides a strong foundation of reliability and strength with high efficiency operation, scalability and configurable flexibility.


OEM Switching Power Supply ProductsDongAh is dedicated to the continued development of standard switching power supply products that set the standard for efficiency and power density. Our offering of OEM products are great as they are, or as the starting point of a new design. All DongAh Switching Power Supplies are designed for: Universal AC Input, Low Profile / High Density Package Size, High Efficiency, High Reliability, Low Cost Manufacturing & International Safety Approvals. Convection Cooled, 15W to 750W standard product. Power Supplies can be modified to meet your custom needs. 


Power Supplies for Medical Applications - DongAh is one of the few manufacturers offering power supplies that meet the stringent requirements of true patient vicinity and medical laboratory applications.


Energy Systems - For Telecom, Wireless & Industrial ApplicationsDongAh manufactures a wide range of complete energy systems for telecom, data-com and industrial applications. Our power systems are designed with battery management systems for truly redundant operation in indoor and outdoor environments. Software integration allows remote monitoring and control, and hot plug-in switch-mode rectifiers allow for easy system upgrades.


Cheshire DC Small Cell Power SystemsWith the expansion of LTE into various markets and growing demand for data services, the need for DAS and small cells is increasing. Small cell systems are being added globally to increase capacity in hot spots with high user demand and to fill in areas not covered by a macro network. DongAh Elecomm’s high efficiency Cheshire Series includes a wide range of high performance power systems ranging from 288W to 1600W. The systems are highly reliable and provide easy installation and maintenance. Equipped with full features and options, including battery backup with dry contact alarms, they are designed in compact, modular configurations (wall or pole mount installations), to accommodate high power requirements for indoor and outdoor applications.