Hi Terry, thanks for the response.

I dont seem to be able to find anything on BTS50  ...  other than some 
valves using that number.

Can you point me to a datasheet somewhere please, or a manufacturer.

Regards, Roger




----- Original Message ----- 
From: "Terry Harris" <terry.harris@iname.com>
To: "Microcontroller discussion list - Public." <piclist@mit.edu>
Sent: Friday, November 06, 2009 4:44 AM
Subject: Re: [EE] SMD mosfet ID


>> On Thu, 5 Nov 2009 18:54:11 +1030, Roger Weichert wrote:
>>I can barely see any markings but it looks like perhaps 'AS1'

>
> If it is AS1 then BTS50 but it is a darlington.


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