[R-390] Caps

Craig Heaton hamfish at efn.org
Mon Apr 29 13:11:35 EDT 2013


OD 715P's will fit on the AF board! Got several R-390/A's with these
installed. Used a recommended 0.022uF value (better audio?), bent those
terrible radial leads with my bare hands & tilted them over so they board
would fit. C604 & C605

Used a dry tantalum Mouser part # 74-150D50V10 for the cap that rots, C609.

YMMV

Craig,





-----Original Message-----
From: r-390-bounces at mailman.qth.net [mailto:r-390-bounces at mailman.qth.net]
On Behalf Of quartz55
Sent: Monday, April 29, 2013 10:00 AM
To: R-390 at mailman.qth.net
Subject: [R-390] Caps

So what are people using on the AF board?  The OD will not fit on the board,
or rather you can't mount the module on the chassis.  I found some TDK X7R
MLCC that may be appropriate for the bypass caps i.e. FK22X7R2J104K, digikey
has them for $1.71.  Mouser has the rest in .01, .033 and I think .047. The
size is right.  What about using the MLCC X7R on the audio board?

Dave
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