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Thanks for your reply silvio i use cf139cosmoferrites, core material ,for my transformer so what will be the Bmax if use smps circuit half bridge topology,and my supply is 230vac. can just give...

Hi sir silvio how to find the( Bmax) of smps transformer of ( Etd 29,34,39,44,49,54,59) iam trying to learn transformer winding formula. do different core size have different Bmax ,i dont know ,i found the (Ae) in the data sheet of (Tdk etd tx) i could not...

i also got the smps transformer winding tool (excellent(7100) from the forum ,and some one helped to how to use it , in my calculation also the igbt blows off the above pdf is a file found from the fourm this is etd49 winding detial out voltage is 50+- can you tell the frequency of this...

my 2kv smps 2 step