Electronics Forum: fact (Page 7 of 98)

Nordau?

Electronics Forum | Tue Jul 31 13:06:55 EDT 2007 | dphilbrick

Google is a wonderful thing. (except for the fact that they want Bill Gates dead and will be the ones to release the first eyeRobot, you know the one with the googly eyes, that will communicate on their newly purchased cellular network)

YAGEO wrong value resistor

Electronics Forum | Tue Oct 23 21:18:04 EDT 2007 | darby

Have just discovered wrongly labelled resistor from YAGEO RC0805FR-072K2L Date 200706, Which should be 2k2. Part is in fact 22r.

via under a smd pad ?

Electronics Forum | Tue Nov 13 09:32:28 EST 2007 | kpm135

For the simple fact that the via in the middle of the pad causes the solder to wick into the hole instead of flowing out across the pad and part. Thus cause insufficient solder issues.

Lead laws threaten electronics

Electronics Forum | Wed Nov 07 09:53:13 EST 2007 | dyoungquist

This is what happens when goverment legislators buy into all the enviromentalist nonsense they are feed without taking a solid look at all the facts. I am for using our enviroment wisely but this appears to be a case where they are going to do mor

The $38 Billion Blunder

Electronics Forum | Wed May 28 13:17:16 EDT 2008 | patrickbruneel

Guys, In attachment some hard facts about how environmental friendly some politicians are. You might be surprised with the outcome.

Rollback the Lead-Free Initiative by Dr. Howard Johnson

Electronics Forum | Thu Jun 19 15:40:13 EDT 2008 | patrickbruneel

An excellent summary of the facts and the insanity of the lead-free legislation http://www.sigcon.com/Pubs/news/10_01.htm

LINEAR VOLT REG Polarity diagonally opposite

Electronics Forum | Mon Aug 11 10:38:06 EDT 2008 | thaqalain

Well first 6 out of 180 were right and acceptable RTI result was supplied too late, I was busy on inspection and the technician was out of RTI station. I have deatiled data sheet (17 pages) with all facts and figures, will I forward it to you?

Leaded Wave Solder Set Up

Electronics Forum | Thu Sep 25 17:37:54 EDT 2008 | gregoryyork

Best is 7 or 6.5D if you cant achieve 7. In fact this is the best angle for Leaded and Lead Free, so watch the Chinese machines as they come in around 5 and cause loads of bridging problems

Conformal Coat peeling

Electronics Forum | Thu Apr 09 18:55:49 EDT 2009 | gregoryyork

seen it many times before when the resist is not cured at manufacturing. get PCB man to check with K type thermal couple that boards ARE in fact cured. this is normally 155C ON board temperture not oven setting Cheers Greg

ESD considerations during Conformal Coating?

Electronics Forum | Fri May 29 00:34:17 EDT 2009 | operator

Thank you Dave. I have searched the internet and cannot find any literature to the fact. Do you have knowledge of of any articles, whitepapers, etc... Thanks again, B


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