[sdiy] Difference in 2SK30, 30A, 30AY, 30 ATM, etc

[David Ingebretsen]

Just what I was looking for. Thank you.

David

>>> -----Original Message-----
>>> From: synth-diy-bounces at dropmix.xs4all.nl [mailto:synth-diy-
>>> bounces at dropmix.xs4all.nl] On Behalf Of aankrom
>>> Sent: Monday, September 19, 2011 6:56 AM
>>> To: synth-diy at dropmix.xs4all.nl
>>> Subject: Re: [sdiy] Difference in 2SK30, 30A, 30AY, 30 ATM, etc
>>> 
>>> Whelp, I see "ATM" used for TO-92 versions of the 2SK30 as well.
>>> Hmmm...
>>> 
>>> On Mon, 19 Sep 2011 08:49:19 -0400, aankrom wrote:
>>> > I think "ATM" just stands for the little package instead of the
>>> > classic TO-92. What you should look for is 'O', 'Y', or 'GR': this is
>>> > the IDSS classification, the amount of current that flows between the
>>> > Drain & the Source when zero voltage is on the Gate. This is
>>> > approximately comparable to hFE in bipolar transistors. I really have
>>> > never known the advantages of having a high or low IDSS in switching
>>> > applications. I think with an amp, a higher IDSS is better for gain.
>>> > I
>>> > could be wrong. Different manufacturers may use other codes than the
>>> > "color name" codes (that's what _I_ call them...).
>>> >
>>> > Check out this link maybe:
>>> > http://www.diystompboxes.com/smfforum/index.php?topic=85270.0
>>> 
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