[sdiy] Mystery transistor--help!

[Harry Bissell Jr]

MPS prefix sounds like Motorola Products Semiconductor
but a typical number might be like MPSA25...

H^) harry


--- peff 2cv <peff2cv at hotmail.com> wrote:

> Hi
> 
> Perhaps one of you could help me identify this
> transistor. It is really hard 
> to read so I tried my best to get the correct info
> off of it. NTE and web 
> searches have turned up nil (MPS made me think
> Motorola)..
> 
> Here's what is printed on the part:
> 
> MPSU
> 25@       <- the @ is actually a circle with a
> little triangle inside. 5 may 
> be the letter "S"
> M806
> 
> It is TO-92 and in the circuit is mated to a NP3565
> (2N2222/NTE 123A) NPN so 
> it looks to be a compliment to this, perhaps similar
> to a 2N2907???
> 
> thanks
> 
> Peff
> 
> 
>