Transformer classic or an electronic one?

obr1533_uvod3Switch mode power supplies Myrra series 47000 already found their stable place on the market and they gradually replace classic transformers. Why is it so?

Switch-mode power supplies definitely win in a perhaps the most important requirement of these days – in efficiency (in a whole load range) and in a low no-load consumption (Standby). Similarly also many other factors say in favor of switch-mode power supplies, for example power/ weight ratio, size, simple elimination of a high inrush current, silent operation, minimum stray magnetic field, …

From these reasons for the majority of applications it´s better and often even cheaper to use an “electronic replacement” of transformer – for example modules series Myrra 47xxx or AC/DC modules Traco Power for higher power ratings.



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