[Boatanchors] Horizontal Output Driver Transistor

Jim Wiley jwiley at alaska.net
Sun Oct 2 23:57:48 EDT 2011


Check the NTE replacement semiconductor listings for transistors listed 
for TV horizontal deflection (or horizontal output) service


Try this link:  http://www.nteinc.com/Web_pgs/BiPolar8.html



- Jim,  KL7CC


lee wrote:
> I've been surfing the web getting ideas for my upcoming DX-100 rebuild.  I 
> noticed a neat article by Norm, WB2SYQ regarding a solid state replacement 
> for the 4 watt driver pot which are hard to find these days.  I guess it 
> could be used in Johnson equipment too.  It consists of a small 1 meg pot, a 
> 470K 2 watt resistor and a garden variety Horizontal Output Driver 
> Transistor.   What is a garden variety Horizontal Output Driver Transistor? 
> You would think the article would give a transistor number or two, but it 
> does not.  I realize this is a TV transistor, but I don't have a clue what 
> would work in such a circuit.  I am guessing it is good for high voltage and 
> a fair amount of current.
>
> Any TV technicians on here who could give me a real transistor number to be 
> used in the circuit I could maybe obtain from Mouser?
>
> Thanks,
>
> Lee, w0vt
> Houston, Texas 
>
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