2n3906 can be had from mouser.com but any PNP transistor rated for the max
voltage you want to use will do.
 Ken
>
>     By the way, can someone offer more info on the  3906 
>transistors.   Maybe brand or some other number.
>
>     My supply house cannot cross reference the 3906 to see if they have 
>one or a substitute.
>
>
>
>
>

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