LM334Z Discontinued

for Dynaco Mark II/III/IV and DIY PP monoblocks

Postby Sal Brisindi » Sat Aug 01, 2009 10:21 pm

There are a few vendors on ebay selling them, I just bought 10 for $8 with free shipping.

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Postby Wiesiek Lipowski » Sun Aug 02, 2009 2:36 am

On mine, I can read (from the top to the bottom):

ST (in italics)
LM
334
L706

It's a TO-92 type.

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Postby Aljaheejus » Thu Jan 12, 2012 10:58 am

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Postby K4ECA » Thu Jan 12, 2012 12:57 pm

Yes, you could use the above parts, I think this one is the one on the parts list: 926-LM334Z/NOPB
As of the time of this post Mouser shows quantity: 2200 in stock, ready to ship.
The parts that include (-3) and (-6) have a larger temp. error.
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Postby Shannon Parks » Fri Jan 13, 2012 7:17 am

Glad to see these are back in stock at Mouser. I would suggest the 926-LM334Z/NOPB, as you won't really gain anything with the LM234Z parts in this application.

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Postby K4ECA » Fri Jan 13, 2012 6:11 pm

It may have been covered elsewhere, but Mouser has added National Semi to it's line card.
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Postby WA4SWJ » Fri Jan 13, 2012 8:09 pm

National Semiconductor was recently acquired by Texas Instruments and there is some shifting around going on among their distributors. Glad to see National's parts at Mouser.

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Postby Shannon Parks » Sat Jan 14, 2012 6:14 am

K4ECA wrote:The parts that include (-3) and (-6) have a larger temp. error.


Noticed that these have a lower max voltage than the LM334Z at only 30V instead of 40V. So I would steer clear and use the LM334Z. We tube guys need every bit of working voltage we can get! (lol)

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