<DIV>Dean,</DIV>
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<DIV>If adding a heat sink, I would think aluminum would be better. In my experience it always dissipates heat better than copper or steel. Don't know about tin or brass, but aluminum should be lighter anyway.</DIV>
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<DIV>Bob R.<BR><BR><B><I>Dean Pappas <d.pappas@kodeos.com></I></B> wrote:</DIV>
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<DIV><SPAN class=464542521-03022005><FONT face=Arial color=#0000ff size=2>Hello Urs,</FONT></SPAN></DIV>
<DIV><SPAN class=464542521-03022005><FONT face=Arial color=#0000ff size=2>The Jaccio regulator is a great item, but I am concerned about running with more than 3 volts of headroom: this increases the power dissipation.</FONT></SPAN></DIV>
<DIV><SPAN class=464542521-03022005><FONT face=Arial color=#0000ff size=2>It may simply require a heat sink be added to the regulator component. That is usually just a tin or brass fin soldered to the big tab on the IC.</FONT></SPAN></DIV>
<DIV><SPAN class=464542521-03022005><FONT face=Arial color=#0000ff size=2>Jim? Whadda you think?</FONT></SPAN></DIV>
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<DIV><SPAN class=464542521-03022005><FONT face=Arial color=#0000ff size=2>Regards,</FONT></SPAN></DIV>
<P><FONT face="Times New Roman">Dean Pappas</FONT> <BR><FONT face="Times New Roman">Sr. Design Engineer</FONT> <BR><FONT face="Times New Roman">Kodeos Communications</FONT> <BR><FONT face="Times New Roman">111 Corporate Blvd.</FONT> <BR><FONT face="Times New Roman">South Plainfield, N.J. 07080</FONT> <BR><FONT face="Times New Roman">(908) 222-7817 phone</FONT> <BR><FONT face="Times New Roman">(908) 222-2392 fax</FONT> <BR><FONT face="Times New Roman">d.pappas@kodeos.com</FONT> </P></BLOCKQUOTE>