Tweakers' Asylum

• Re: 1N4001 to 1N5819-Schottky ? - Tweekeng 10:18:09 09/26/05 (1)
  In Reply to: 1N4001 to 1N5819-Schottky ? posted by gads on September 26, 2005 at 03:25:49:

  1N5819's are only rated to 40VDC, 4001's are 50 volt diodes. You certainly want to measure the DC rails on your equipment and make sure thye are within the rated value of these diodes or you could be flirting with disaster. Diodes tend to fail short and you do not want to see what happens when AC is dumped on to your DC buss.

  BTW. dont forget the PEAK voltage when you measure this with your standard meter that reads average or RMS voltages...
  
  

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  • Re: 1N4001 to 1N5819-Schottky ? - zanash 02:44:43 09/27/05 (0)
    In Reply to: Re: 1N4001 to 1N5819-Schottky ? posted by Tweekeng on September 26, 2005 at 10:18:09:

    spot on .....thats why 11DQ10's are a good alternative.
    
    

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• Re: 1N4001 to 1N5819-Schottky ? - zanash 05:53:31 09/26/05 (3)
  In Reply to: 1N4001 to 1N5819-Schottky ? posted by gads on September 26, 2005 at 03:25:49:

  I'd use 11DQ10's for 1n4001-3

  Very good imo never had a cdp sound worse after this mod.
  
  

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  • Re: 1N4001 to 1N5819-Schottky ? - gads 08:24:58 09/26/05 (2)
    In Reply to: Re: 1N4001 to 1N5819-Schottky ? posted by zanash on September 26, 2005 at 05:53:31:

    I know about the 11DQ10'S, I just can't get them anywhere locally, only the ones I mentioned, so if you (or anybody) have any experience with the 1N5819 I'd be grateful to know.
    
    

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    • Re: 1N4001 to 1N5819-Schottky ? - zanash 01:54:17 09/27/05 (1)
      In Reply to: Re: 1N4001 to 1N5819-Schottky ? posted by gads on September 26, 2005 at 08:24:58:

      If you want any, email me .........!
      
      

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      • Re: 1N4001 to 1N5819-Schottky ? - gads 10:17:27 09/27/05 (0)
        In Reply to: Re: 1N4001 to 1N5819-Schottky ? posted by zanash on September 27, 2005 at 01:54:17:

        Dear zanash.

        Thank you for your kind offer, I pulled some strings and managed to get some samples.
        The 1N5819 isn't a good idea, given the high frequency and low voltage it's prone to change specs for the worse when heated, less tolerant to V peaks.

        Regards.
        
        

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