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Help me with this SMD transistor

 
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limgam



Joined: 13 Jan 2011
Posts: 1

PostPosted: Thu Jan 13, 2011 8:27 am    Post subject: Help me with this SMD transistor Reply with quote

I need help to find out what transistor is this. The code on the transistor is

624
U
620T
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vtech



Joined: 08 May 2006
Posts: 1264
Location: USA

PostPosted: Sun Jan 16, 2011 5:08 am    Post subject: Reply with quote

There is no set standards on numbering on SMD transistors. While there are several databases available, there is no guarantee that it may be the same transistor you are looking for? For example there is a "625" on zetex/diodes inc--one of several manufacturer's of SMD's but is this it?
http://www.diodes.com/datasheets/FMMT625.pdf
Your best bet is to try finding it in the original schematic diagram or else trying to guesstimate a substitute based on your circuit configuration.
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profimex



Joined: 18 Jan 2011
Posts: 1

PostPosted: Tue Jan 18, 2011 9:42 am    Post subject: Reply with quote

vtech wrote:
There is no set standards on numbering on SMD transistors. While there are several databases available, there is no guarantee that it may be the same transistor you are looking for? For example there is a "625" on zetex/diodes inc--one of several manufacturer's of SMD's but is this it?
http://www.diodes.com/datasheets/FMMT625.pdf
Your best bet is to try finding it in the original schematic diagram or else trying to guesstimate a substitute based on your circuit configuration.

ty
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