RECOM RAC150-G switched-mode power supply

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RECOM’s RAC150-G series is a switched-mode power supply (SMPS) with high power density designed for applications operating with limited airflow. Under natural convection, the SMPS provides 125 W at +50°C from a compact 4″ x 2″ open-frame package and even up to 122 W in an aluminium case; under forced air cooling, a constant output of up to 150 W is achieved.

Ensuring the SMPS’s long service life at such a high power density requires overcoming a number of design challenges, such as placing the SMD semiconductors on the board in such a way as to dissipate excess heat through copper surfaces acting as heat sinks on the board and through an aluminium base plate via heat-conducting pads.

The power supplies operate at input voltages between 90 and 264 VAC at temperature ranging from -30 to +70°C. Modules with 12, 24 and 48 V outputs come with short-circuit and overvoltage protection, as well as efficiency of 91%. The SMPS modules are IEC/EN/UL 60950-1 and IEC/EN/UL62368-1 certified, and comply with the RoHS directive and EN55022/24 Class B for electromagnetic compatibility.

The modules come with a three-year warranty.

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