Electronics Forum: 0805 and problem (Page 1 of 77)

Brownish Tint on 0805 components

Electronics Forum | Mon Aug 02 09:49:12 EDT 2010 | vetteboy86

My problem is that a 10k 0805 chip looks fine next to a 100k 0805 that is brown.

1206 Cap on 0805 Pad/Land

Electronics Forum | Thu Jan 24 04:54:43 EST 2002 | wbu

Well Greg, I don�t know YOUR 0805 Pads but if you look at the recommended pattern for 0805 in IPC-SM-782 you might notice that the Z-dimension is somewhat about the size of your 1206 part length. With that and assuming that you ask if the results wi

Re: Solder Balls on 0805 capacitors

Electronics Forum | Tue Jun 27 10:51:42 EDT 2000 | Ioan

Hi Bill, there are a couple of things you should check. Most likely you have too much paste which is squashed at the insertion of the cap. - the paste height, around 7 mils should do. Too much paste will cause shorts under the cap at insertion which

lousy wetting of 0805 film caps

Electronics Forum | Thu Aug 23 15:45:48 EDT 2001 | slthomas

So, we've already addressed the tombstoning on these guys by adopting the mfr's (Pana.) recommendations for pad size and spacing. Problem is, we have pretty bad wetting of some of these parts. The rest of the board we use them on looks great, nice

lousy wetting of 0805 film caps

Electronics Forum | Mon Aug 27 10:58:44 EDT 2001 | Ryan Jennens

Steve- We had the same trouble with 0805 Panasonic film caps. We had some tombstoning and open solder joints (non-wetting). We found two problems...like you, we changed our pad design to meet their recommendation. Also, they were able to suppl

lousy wetting of 0805 film caps

Electronics Forum | Thu Aug 23 16:41:06 EDT 2001 | slthomas

Naw, the rest of the BOARD we use them on. Same assembly. Actually we use them on one other assembly and have the same problem. Same oven, same line, same paste, same problem. I've tried to get the production super. to move them to another line w

VIGON A200 and aluminium electrolytic capacitors problem

Electronics Forum | Mon Nov 25 09:45:29 EST 2013 | processman

Are you using zestron corrision inhibiter Ci20 also?

VIGON A200 and aluminium electrolytic capacitors problem

Electronics Forum | Wed Nov 27 06:06:59 EST 2013 | luciano

Thanks!

VIGON A200 and aluminium electrolytic capacitors problem

Electronics Forum | Fri Dec 06 06:02:25 EST 2013 | luciano

Thanks for the advice!

VIGON A200 and aluminium electrolytic capacitors problem

Electronics Forum | Thu Nov 21 12:06:16 EST 2013 | rgduval

The last time I got corroded parts out of my wash was when my DI tanks were spent, and I was pretty much using straight tap water. Refreshing the DI tanks eliminated my issue. Hope this helps. cheers, ..rob

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