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Transistor ID Help...

November 8 2006 at 6:57 PM
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Sam  (no login)

Can this be done with only two letters if so I need some help here,
they are as fallows L A in the center of this device their is a #2 casted in on the side of that is 3 etched in. this device is SMD, SOT-223 package.

 
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RichardB
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Re: Transistor ID Help...

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November 9 2006, 9:27 AM 

looks like its a siemens BF550

Rich B

 
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Sam
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To Richard

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November 9 2006, 3:58 PM 

Care to share how you found this out..?

After removing this device turns out it could also be SOT-89

 
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RichardB
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Re: To Richard

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November 9 2006, 5:45 PM 


 
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