Original poster: Steve Conner <steve@xxxxxxxxxxxx>
ok - i agree that Irms chart is choosed misfortuned - here are others:
Urms (F) http://cis.ru/~dest/3.GIF Irms (F) http://cis.ru/~dest/4.GIF
there shouldn`t be any problems with breakdown after 100 khz (1000 v cap), nevertheless the currnet increases, though rather slowly.
Steve Conner