RE: [TCML] Slightly OT, best semiconductor cross-reference sites

[Nick Andrews <nicothefabulous@xxxxxxxxxxx>]

Yup, found that, thanks.  I don't know for sure if that's the exact part since the left side is burned and a bit bulged out, but I would bet it's good enough for a simple battery charger.  And I don't want to pay $8 shipping for a 44 cent part, either, when I probably have a usable part sitting around here.  I was going to look up the data sheets for the samples I got from them a while back (back when they used to just ship whatever you asked for) and see if any are PNPs with similar characteristics.  

It's a Deltran Battery Tender, and the transistor has no real heat sink, just bolted to the steel case with an insulator and some heat sink compound.  I could open up my other unit to see if the whole number is readable, I suppose...  When I replace it I'll add a small aluminum heat sink between the case and trans.

But I am really looking for what everyone considers to be good cross-reference sites for all the various projects people like us do!

Nick A





> From: danniken@xxxxxxxxxxx
> To: tesla@xxxxxxxxxx
> Subject: Re: [TCML] Slightly OT, best semiconductor cross-reference sites
> Date: Tue, 26 Jan 2010 09:11:52 -0800
> 
> Nick Andrews wrote:
> > I know this is slightly OT, but it does apply to SSTC and PS work. 
> > What are your favorite cross reference sites for semiconductor
> > substitutions?  
> > 
> > For instance, I have a PS circuit which needs a new transistor, but I
> > can only read part of the marking due to the magic smoke effect.  It
> > is a _D434, which looks like a PNP transistor, but it's hard to know
> > for absolute sure...  Thanks.   
> 
> Does this look familiar?
> 
> http://www.fairchildsemi.com/ds/BD/BD434.pdf
> 
> Jon
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