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???
12/02/11 14:54
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 		 #184996 - did not think opf that.
Responding to: ???'s previous message
The classic approach doesn't use a triac .... An SCR is what I'm used to seeing.

It makez ZERO sense to use a triac instead of a SCR

Erik


List of 40 messages in thread
TopicAuthorDate
Crowbar circuit using TL431            01/01/70 00:00      
   possibly worthless circuit            01/01/70 00:00      
      Speed not a problem            01/01/70 00:00      
         maybe it is            01/01/70 00:00      
      re: possibly worthless            01/01/70 00:00      
         no, the fuse blew            01/01/70 00:00      
            Polyfuse - OMG            01/01/70 00:00      
               And manufacturing tolerances can ruin the design...            01/01/70 00:00      
   Why not using...            01/01/70 00:00      
      Like shown here, e.g.,...            01/01/70 00:00      
         Possible but..            01/01/70 00:00      
            Tell us...            01/01/70 00:00      
   describe application, and needs            01/01/70 00:00      
      language            01/01/70 00:00      
         sorry            01/01/70 00:00      
            Awesome...            01/01/70 00:00      
         Antique...            01/01/70 00:00      
            The classic approach doesn't use a triac            01/01/70 00:00      
               did not think opf that.            01/01/70 00:00      
         Oh, come on, Erik ...            01/01/70 00:00      
            I do not critisize language problems...            01/01/70 00:00      
               It's a matter of personal pride ...            01/01/70 00:00      
      More info            01/01/70 00:00      
         and values of resistors?            01/01/70 00:00      
            Component values            01/01/70 00:00      
               oscillations?            01/01/70 00:00      
         one alternative circuit            01/01/70 00:00      
   a couple of questions ...            01/01/70 00:00      
   This one's straight from "often-wrong" Wikipedia            01/01/70 00:00      
   Thread wandering            01/01/70 00:00      
      then close it..            01/01/70 00:00      
         Problem now fixed            01/01/70 00:00      
            Are you sure??            01/01/70 00:00      
               Exactly the opposite            01/01/70 00:00      
                  Triac Triggering            01/01/70 00:00      
                     A1 to positive rail is ok            01/01/70 00:00      
                        Yes A1 to ++V            01/01/70 00:00      
                           Nevertheless...            01/01/70 00:00      
                              Not Necessarily            01/01/70 00:00      
                                 Standard for PC PSU            01/01/70 00:00      

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