Tweakers' Asylum

• sorry, what I meant was, is the TIP29 a high quality NPN? - wheezer 12:03:16 10/29/07 (2)
  In Reply to: RE: Looking for alternative for.. posted by Bob in Alberta on October 29, 2007 at 11:38:19

  or is there a recommended upgrade?
  
  

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  • What is it used for? (nt) - cheap-Jack 13:31:03 10/29/07 (1)
    In Reply to: RE: sorry, what I meant was, is the TIP29 a high quality NPN? posted by wheezer on October 29, 2007 at 12:03:16

    .
    
    

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    • Shunt regulator .... basic emitter follower. - wheezer 16:14:16 10/29/07 (0)
      In Reply to: RE: What is it used for? (nt) posted by cheap-Jack on October 29, 2007 at 13:31:03

      I tried BC550 and BC635, but my load was a bit much. My DMM provided a means to watch them gracefully go into shutdown, probably before melting. :-)
      The TIP29 is followed by an LT1963A.
      Vin 9vdc, Vout 7.1 380mA... close but it's working.
      
      
      

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