Electronics Forum: 30-4 (Page 1 of 1)

Bottomside SOT23 opens & DOE test board layout

Electronics Forum | Thu May 24 19:19:20 EDT 2001 | davef

Try: * Poor looking solder connections * Good looking solder connections * Reliable solder connections Look to Ch 5 of "Manufacturing Techniques For Surface Mounted Assemblies"; RJ Klein Wassink & MMF Verguld; Electrochemical Pub; ISBN 0-901150-30-4

Universal GSM 2

Electronics Forum | Mon Oct 20 14:56:51 EDT 2014 | rgduval

Progress!! Somehow, this morning I was able to get things almost working. I swapped cards 1 and 2 back, and then back again, so, in the same state as my last reply...set the default settings for the axes configuration...then, verified the addresses

SMT Connector, Placement Issues

Electronics Forum | Mon Oct 06 14:10:55 EDT 2008 | chineechooze

0.001969" You say that 0.008" of "slop" is un-doable; hence, the reasons for our failures. Any basis for that statement? Are rated accuracies from placement equipment manufacturers typically "exgaggerated?" 2. On PCB Fab side of things, what is

Re: Conversion to no-clean solder paste

Electronics Forum | Tue Jan 25 09:25:23 EST 2000 | Dave F

Kris: I can appreciate your hesitance. Done correctly with proper planting and fore thought, the change to no-clean affects every part of your operations operations from purchasing to receiving and on down the line. Two things: 1 Following with y

IPC/JEDEC J-STD-033D - 3.3.2.2.1 Desiccant Quantity Calculation

Electronics Forum | Wed Nov 24 21:03:57 EST 2021 | djenkins62

Hello Everyone In Board World, Looking for some discussion on calculating how long moisture sentive boards can be stored on shelves with forum in 3.3.2.2.1 Desiccant Quantity Calculation When the desiccant capacity at 10% RH and 25 °C is known, th

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