Compact 125W/150W switched-mode power supply in a 2”x 4” package

ECOM RAC150-G series encompasses switched-mode power supplies
ECOM RAC150-G series encompasses switched-mode power supplies

The new RECOM RAC150-G series encompasses switched-mode power supplies designed for high power-density in applications which operate with limited airflow.

Under natural convection, the SMPS modules provide 125W from a compact 4x2-inch open-frame design and even up to 122W in an aluminium case; under forced air cooling, a constant output of up to 150W is achieved. Ensuring long service life and reliability at such a high power density required 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 new power supplies operate at input voltages between 90 and 264VAC at temperatures ranging from -30 to +70°C. Modules with 12V, 24V, and 48V outputs are currently available for shipping; the modules come with short-circuit as well as overvoltage protection and a typical efficiency of 91%.

These SMPS modules are suitable for use across the world, and are certified according to IEC/EN/UL 60950-1 as well as the new IEC/EN/UL62368-1 standard, and comply with the RoHS directive and EN55022/24 Class B for electromagnetic compatibility. The modules come with a three-year guarantee. Samples are available via RECOM’s broad network of distribution channels.

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