[sdiy] darlington tranny question

[Tim Ressel]

Nils,

Be advised some Darlingtons have internal bias
resistors. I'm not sure if they all do, or if the
resistors are always shown on the data sheet. One
would think they would have to. I'd just try it and
see!

--tr

--- Nils Pipenbrinck <np at inverse-entertainment.de>
wrote:
> Folks,
> 
> I know, this is stupid, but anyways:
> 
> Are there any technical reasons why I can't use two
> ordinary NPN trannies to
> replace a darlington transistor? I need a
> replacement for a simple high
> impendance buffer stage.
> 
> Sure, I can go to a shop and buy the real thing, but
> it's weekend, the shops
> are closed, and I'm in prototype mood :)
> 
>   Nils
> 
> 
> 
> 


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