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Einric 11th November 2012 07:07 PM

What Does The 20Y Mean?
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Simply put, what does the 20Y mean?

Tube_Dude 12th November 2012 02:43 AM


Originally Posted by Einric (
Simply put, what does the 20Y mean?

Simply answered: ;)

20 - Lot No

Y - hfe Rank ( 90 to 180 )

Einric 12th November 2012 04:39 AM

Awesome so All 12 of each I have are from the same lot and Hfe rank.
This should make using them in a new project a lot simpler.

Thank You

Tube_Dude 12th November 2012 05:06 AM

Here you have some more relevant information...

Good luck with your project! ;)

Einric 12th November 2012 05:55 AM

I don't know what the project will be but at least I have a small pile of Audio Transistors to play with.

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