SV: [sdiy] Vactrols...

[Harry Bissell]

You can pick some nominal LED current and try to match them. I binned them
into sets. They will NOT be perfect but you might find one really good set in a pack...

They make good Phasers...

H^) harry


----- Original Message -----
From: John Alex Hvidlykke <john at hvidlykke.dk>
To: Eric Brombaugh <ebrombaugh1 at cox.net>
Cc: Synth DIY <Synth-diy at dropmix.xs4all.nl>
Sent: Tue, 12 Jan 2010 16:42:20 -0500 (EST)
Subject: SV: [sdiy] Vactrols...

Hi Eric

Hope so. Let me know if you do find a good use ;-)

I ordered three packs of these recently. And they are indeed very varied.
Also many of the LDR's
in the sortiment are defective. But at that price I cannot complain. A
single Vatrol cost $17 here! And that was before the European RoHS ban on
them took effect at New Year.

Regards

John


> -----Oprindelig meddelelse-----
> Fra: synth-diy-bounces at dropmix.xs4all.nl
> [mailto:synth-diy-bounces at dropmix.xs4all.nl]På vegne af Eric Brombaugh
> Sendt: 12. januar 2010 22:22
> Til: SDIY
> Emne: [sdiy] Vactrols...
>
>
> On a lark I ordered one of these:
>
> http://www.goldmine-elec-products.com/prodinfo.asp?number=G17170
>
> About 30 Vactrols in it. A few quick measurements:
>
> Sample #1
> Ifwd = 0 mA : Rout = 6.7kohm
> Ifwd = 7 mA : Rout = 300ohm
>
> Sample #2
> Ifwd = 0 mA : Rout = > 10Mohm
> Ifwd = 7 ma : Rout = 200ohm
>
> Seems pretty variable. Any use for these?
>
> Eric
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-- 
Harry Bissell & Nora Abdullah 4eva