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  Cross-Reference for 3DD209-1 TO-220 Component in "FSP Group" PSU? 
 
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john albrich Nov 27, 2007, 07:46pm EST Reply - Quote - Report Abuse
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Edited: Nov 27, 2007, 07:47pm EST

Replies: 4 - Views: 390
I'm trying to identify a TO-220 component in an FSP Group PSU.

It's got "3DD209-1" and a logo that looks like it could be "STF" on the body. I can't find any reference to it in any cross-reference or data catalog.

One person suggested it might be equivalent to an MJE13009 NPN switching transistor, and although that makes sense, there are NO data to support that hypothesis.

It could also be equivalent to a "2SD2091" NPN darlington transistor, but again there are no hard data to support that either.

Does anyone know for sure what this 3DD209-1 is?


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john albrich Dec 02, 2007, 12:35am EST Reply - Quote - Report Abuse
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>> Re: Cross-Reference for 3DD209-1 TO-220 Component in "FSP Group" PSU?
bump

Mothow Dec 02, 2007, 01:21am EST Reply - Quote - Report Abuse
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>> Re: Cross-Reference for 3DD209-1 TO-220 Component in "FSP Group" PSU?
Found this but im sure you did to
http://tinyurl.com/2cldx5

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john albrich Dec 02, 2007, 05:39am EST Reply - Quote - Report Abuse
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>> Re: Cross-Reference for 3DD209-1 TO-220 Component in "FSP Group" PSU?
Mothow said:
Found this but im sure you did to
http://tinyurl.com/2cldx5


Yeah. Thanks though. The great thing about auto-translating these pages is you can get the greatest new adjectives to toss at things and people and they won't have a clue what you're talking about (and neither will you) ;)

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Manfred Bergler May 28, 2008, 10:25am EDT Reply - Quote - Report Abuse
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>> Re: Cross-Reference for 3DD209-1 TO-220 Component in "FSP Group" PSU?
Hello John,

did you tried one of the replacements for 3DD209-1
We have the same problem
http://www.ecadata.de/bboard/viewtopic.php?t=882

regards
Manfred


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