Electronics Forum: baking capacitors (Page 1 of 3)

Moisture under chip capacitors

Electronics Forum | Thu Sep 11 15:23:31 EDT 2003 | Peter L.

I have come across a rash of failed assemblies that have 0805 capacitors and resistors, bottom side glued, wave soldered and washed. Trouble shooter reported touching up the solder joints on a few areas and the boards would pass test. I had a look a

Re: Radial capacitors have water gain

Electronics Forum | Tue May 11 06:30:41 EDT 1999 | Joe Byrde

| | | | | | | | | | | I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular

Re: Radial capacitors have water gain

Electronics Forum | Mon May 10 14:52:32 EDT 1999 | C.K.

| | | I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular overnight process

Re: Radial capacitors have water gain

Electronics Forum | Tue May 11 00:47:59 EDT 1999 | P.L. Sorenson - Technical Consultant

| | | | | | | I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular overnigh

Re: Radial capacitors have water gain

Electronics Forum | Sun May 16 13:10:36 EDT 1999 | Dave McDermid

| | | | | | | I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular overnigh

Re: Radial capacitors have water gain

Electronics Forum | Mon May 10 13:35:14 EDT 1999 | Chrys Shea

| We have been having an ongoing problems with radial electrolytic capacitors (thru hole)for some time. | 1. When we wash them in our inline cleaners the sleeving shrinks up from the PCB leaving the 'can' exposed. Some designs have traces on the

Re: Radial capacitors have water gain

Electronics Forum | Mon May 10 14:44:15 EDT 1999 | C.K.

| | We have been having an ongoing problems with radial electrolytic capacitors (thru hole)for some time. | | 1. When we wash them in our inline cleaners the sleeving shrinks up from the PCB leaving the 'can' exposed. Some designs have traces on

Remove,Re-ball then Re-use BGA safely !!!

Electronics Forum | Wed Jun 19 08:51:49 EDT 2002 | davef

Try this: * Remove PTH components that cannot resist baking like, plastic sockets & electrolytic capacitors. [NOTE: It may be econonomic to sacrifice some of the PTH components that cannot resist baking.] * Bake the board. * Remove, reball, and repla

Remove,Re-ball then Re-use BGA safely !!!

Electronics Forum | Wed Jun 19 05:16:21 EDT 2002 | hany_khoga

Dear all: I wonder how to avoid cracking the BGA if I want to remove it from the PCB assembly, re-ball it and solder it again. I need an answer considering: 1- The assembly could have been exposed to the ambient humidity for a long time. 2- The as

Blow Holes voids in solder fillet on caps

Electronics Forum | Thu Jun 28 17:05:46 EDT 2012 | davef

Here’s what we seem to know: * There’s a problem with voiding in the solder connections of SMT capacitors * A void is an open area caused by air or process fluid that is trapped within a solder connection * Voids are an allowable condition as long as

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