we hv made dc-dc smps powersupply 12vDc to 27-0-27. We used chinese torrodoil core. It is working. But i want to know which will be best core for my application?
Instead of indicating particular type of magnetic core it is wiser to look in some sites such as this one:
**broken link removed**
At this stage we just don't know what is the frequencyand power/current in the discussed circuit.