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In article , "Bryan" wrote:
GregS wrote: P.Gregory wrote: Wise? I could put just as many links saying the opposite , as in series , Not parralel and not paraletic , few few ohms aint gunna do what you yanks say "diddly squat" unless you get perfect diodes , read as matched ..paul Bryan wrote: It would be wise to NOT use load-sharing (aka equalizer) resistors & capacitors. With modern rectifiers, if more than one diode is in a string, there will be no problem as long as they are of the same type number. See http://www.somis.org/D-amplifiers3.html. 73, Bryan WA7PRC P.Gregory wrote: Also do not forget load sharing resistors and bypass caps... GregS wrote: I am having some difficulty finding a bridge rectifier of 3 Kv and 3 amps. ?? thanks greg N6GS I think I am willing to try using them without caps and resistors. I allready have 1KV 3 A HER308's. And I have a bunch of thermal epoxy. I just might purchase some of these to make things easier. http://www.fairchildsemi.com/ds/FF%2FFFPF04F150S.pdf greg The HER308 looks like a 1N5408 with a specified reverse recovery time. I like specifications those FFPF04F150S damper diodes. Digi-Key has them available in only large quantities (non-stocked) but Mouser shows them in-stock in small lots. Not knowing the dielectric capability of the plastic TO-220 case, I'd probably mount them (with heatsinks) to an insulating base. i was trying to get an order together and ordered all parts from Digikey. I got into discussion with support, and I said the catalog could be a lot smaller and easier to hold if they listed stocked parts. From the very beginning I always had problems with DigiKey with stocked parts. Ordered the diodes from Mouser. Nice that many companies have no minimum orders. That was a big deal years ago. greg |
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