Recom has introduced the RAC20-SB, an efficient AC/DC solution in the medium power range of up to 20 W. This compact converter measures 52,4 x 27,2 x 23,5 mm and is supplied in the same housing as Recom’s 10 W model, and is also pin-compatible with the popular 5 W model.
The converters are designed for use on universal mains with input voltages of 90–264 V a.c. and are available with output voltages of 3,3, 5, 12, 15 and 24 V. All the models attain low no-load consumption of under 500 mW. These not only meet the EU’s ‘green power’ policies for 2010, but also those planned for 2013.
Compared to its predecessor, the power density of the module has been increased by 120% to 0,6 W/cm³. Efficiency varies according to output voltage limits, reaching a peak of 86% at 24 V. In free air convection, the ambient temperature operating range of the converters is between -40°C to +70°C. The RAC20-SB family is also fitted with an integrated Class B filter. All models are isolated to 3000 V d.c. minimum and exhibit a MTBF of 250 000 hours to MIL-HDBK-217F specifications.
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