Electronics Forum | Sun Jun 22 13:24:49 EDT 2014 | davef
I don't know. We never had craziness like this before lead-free. You should have the yellowish-metal analyzed to be sure. Guessing: You're seeing this color on the terminations of components, not on the bulk of the SnX solder connection. If that's
Electronics Forum | Tue Jun 07 10:24:59 EDT 2016 | davef
wlsmt: You’ve got to help us out here: * Why did you apply solder paste to capacitors prior to water washing the PCBA [where the caps were attached?]? * Did you reflow the Alpha WS-609? * How is the Alpha WS-820 involved in this? * Talk about the
Electronics Forum | Tue Jun 07 12:07:30 EDT 2016 | wlsmt
Sorry davef. I was not being clear. PCBAs came out cold soldered after being reflowed the first time with ALPHA WS-820. The flux gel ALPHA WS 609 was supposed to be applied only onto the terminations of caps where ALPHA WS-820 was for a second refl
Electronics Forum | Wed Jun 15 10:38:41 EDT 2016 | laynefelix
Hi everyone..i am new here. I am hardware design engineer and as per my experience PCBAs came out cold soldered after being reflowed the first time with ALPHA WS-820. The flux gel ALPHA WS 609 was supposed to be applied only onto the terminations of
Electronics Forum | Mon Aug 23 12:13:57 EDT 2004 | ozzy
I have problem finding the values of two caps that are surface mount. There ID's are: One cap has a code of 1A5 the other cap has 225 16g 408 (yellow with a stripe) Thanks
Electronics Forum | Thu Aug 03 10:54:04 EDT 2017 | cyber_wolf
Call SMT Research and ask them. https://www.smtresearch.com/
Electronics Forum | Wed Jun 03 13:50:32 EDT 1998 | Chrys
| Can anyone tell me if there is a reference for smt component height specs on the bottom side of a board, which will also go through wave soldering. A current design I am reviewing has tant caps(7343) and a crystal on the back side. Should I only b
Electronics Forum | Fri Feb 13 19:47:34 EST 2009 | joeherz
Carlton, Just a suggestion - If any of your previous gigs were contract or temporary work, you may want to indicate that on your resume`. You have worked at 8 companies in 10 years. This would be a yellow flag if your resume` came across my desk.
Electronics Forum | Mon Mar 21 12:02:09 EST 2005 | Rob
Hi Colin, Are you using the 1206 package with 4 elements or one of the higher density smaller packages? With the first type you can get them in both Convex or Concave terminations, with most of the solderability problems associated with using the C
Electronics Forum | Tue Mar 22 06:09:20 EST 2005 | blueflag
The size is 1206 approx with concave terminals and we are using 1 to 1 appertures on 5thou screen Thanks for reply
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