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Old 30th November 2004, 04:16 PM   #21
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Quote:
The LM338T costs approx. 0.80€ each and the MUR1620CT approx. 0.35€ each. The LM338T comes in packs of 45 and the MUR1620 in packs of 50.
The prices from the former group buy dropped at less than half but the interest seems pretty low... maybe a matter of visibility?

The wiki is here --> http://www.diyaudio.com/wiki/index.p...lone+Group+Buy


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Andrea
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Old 30th November 2004, 04:57 PM   #22
mcs is offline mcs  Denmark
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I checked some more prices.

My supplier currently has 36 MUR1520 in stock at 0.45€ each. When they don't have them in stock, the minimum order is 1100 pcs.

LM3886TF cost 3.25€ each (in packs of 20).

I also saw LM317 and 337 mentioned somewhere. They cost 0.20€ and 0.34€ each in packs of 50.

Best regards,

Mikkel C. Simonsen
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Old 1st December 2004, 09:34 AM   #23
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Added last items to the wiki.

Mikkel, at this time I think I should retire as "organizer" and leave the command to you.

Is that ok?

Cheers

Andrea
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Old 1st December 2004, 07:11 PM   #24
Edgar is offline Edgar  Norway
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If no one else is interested, i could order 5 more 338's, then we have 45 of those, and 2*50 of the rectifiers!?
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Old 1st December 2004, 07:13 PM   #25
mcs is offline mcs  Denmark
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I don't mind keeping a few leftover parts. But I don't need 40 LM338s for instance

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Mikkel C. Simonsen
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Old 1st December 2004, 07:17 PM   #26
mcs is offline mcs  Denmark
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Quote:
Originally posted by Andypairo
Mikkel, at this time I think I should retire as "organizer" and leave the command to you.

Is that ok?
Yes, I don't mind.

Best regards,

Mikkel C. Simonsen
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Old 1st December 2004, 07:38 PM   #27
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the lm338 has a max input voltage of 37V? and the HV version 57\47V?
I need the high voltage versjon, if those are the ones your bying i would be interested in a few, payment would have to go through snailmail though.. at my risk offcource!

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Old 1st December 2004, 07:41 PM   #28
mcs is offline mcs  Denmark
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Quote:
Originally posted by demogorgon
the lm338 has a max input voltage of 37V?
No, the maximum difference between the input and output voltage is 37V - there's no maximum input voltage.

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Old 2nd December 2004, 03:40 PM   #29
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so i can use the lm338 to regulate my psu to +-42V then?

edit: so when my psy gives cloase to +-45-46V then i can regulate it upto 37V with the lm338? that is what those 37v is?
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Old 2nd December 2004, 10:42 PM   #30
mcs is offline mcs  Denmark
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Quote:
Originally posted by demogorgon
so i can use the lm338 to regulate my psu to +-42V then?
Yes, if you have +/-45V or more available.

Quote:
edit: so when my psy gives cloase to +-45-46V then i can regulate it upto 37V with the lm338? that is what those 37v is?
The 37V means that the output should be 9V or more with 46V in. The only thing you have to remember is that the regulator will not be short circuit protected. And remember all the protection diodes mentioned in the datasheet

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