Electronics Forum: capacitors trouble (Page 1 of 3)

capacitors factory

Electronics Forum | Thu May 09 17:07:56 EDT 2002 | davef

Troubles, troubles, troubles. If it weren�t for bad luck, I wouldn't no luck at all, eh? Tough business. Comments on your trouble are: * On machine vision errors from less than ideal capacitors: This is life. Reprogram your machine to either wid

capacitors factory

Electronics Forum | Tue May 07 07:55:33 EDT 2002 | Sir Alexandr

Our SMTproduction has next troubles : 1. irregular 0603-components in tapes (different solder shapes) makes vision errors on placement devices 2. big solder amounts makes pickup and placing errors 3. some tapes delivery delays , so production halts f

Ceramic capacitors cracking

Electronics Forum | Tue Feb 04 14:05:10 EST 2003 | bradlanger

I am haveing some trouble with ceramic capacitors breaking on a couple of boards I am running. The boards I have trouble with are in a 6 up and 12 up array and the caps are near the score lines where the individual boards are broken apart. Has anybod

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

Land patterns for 0612 and 0508 capacitors

Electronics Forum | Tue Nov 30 15:38:27 EST 1999 | Wendy Casker

Hi, I am looking for land patterns for 0612 and 0508 chip capacitors. Because they are not standard (yet) package sizes, i am having trouble finding a standard land pattern. (If you don't know what these are, picture a 1206 or an 0805 with the te

Part identification

Electronics Forum | Tue Jan 05 17:31:12 EST 2010 | mlerley

Howdy folks! Your friendly neighborhood SMTnet.com programmer here. I've spent the last couple of years adding features and fixing bugs for y'all, and now I need some help. The board attached to this post is an inverter for an LCD display fluoresc

Regarding choosing of correct SMD Capacitor for PCB Assembly

Electronics Forum | Tue May 05 10:23:14 EDT 2015 | sarason

Yes overrating in electronics is basically OK underrating , you are looking for trouble. sarason

Lead free Solder Paste troubles !!!!

Electronics Forum | Wed Sep 29 11:28:27 EDT 2004 | grayman

do you mean the parts like capacitor or solder paste/solder bar. If you mean solder paste/solder bar, yes you'll have big trouble. Why? because LF solder paste/solder bar has high melting point and different composition. However if parts like capac

Lead free Solder Paste troubles !!!!

Electronics Forum | Thu Sep 30 02:21:29 EDT 2004 | habba

Yes, sorry I forget to mention it. SO only some capacitor will be lead-free. The rest remain 'Pb' parts. The solder paste also remain 'Pb'. You mean that if only this capacitor will change, we can solder that with no problem ? thanks ! habba

Electrolytic Capacitor

Electronics Forum | Fri Apr 04 13:03:00 EDT 2014 | jyo_409

What is the inspection procedure How to test leakage current Is 100% checking is required at IGI inspection What is the shelf life of the capacitor How much period shelf life is recommended for these capacitors How to check the ripple current of thes

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