1993 mils results

Electronics Forum: mils (Page 2 of 200)

Why 50 mils in 0805 package instead of 40 mils.

Electronics Forum | Mon Oct 06 08:51:26 EDT 2003 | davef

The EIA does not provide that information. EIA standards focus on component dimensions. Alternately consider: ...cut... SM-782A - Surface Mount Design & Land Pattern Standard, Inc. Am. 1 & 2 ANSI Approved Get up-to-date land pattern recommendat

THM Solder barrel fill issues on 93 mils board

Electronics Forum | Wed Aug 21 09:09:50 EDT 2013 | wcheew

I am having solder barrel fill issues on THM component, we follow, we follow IPC 610 E requirement. The barrel fill issues happen on signal & ground pin at connector & E-cap. I found out that most of the insufficient solder happen on the connector ag

1 mil = ?? inches

Electronics Forum | Thu Sep 16 16:04:58 EDT 1999 | Mini Mike

I am not familiar with the "mil" metric. How many inches is in 1 mil? ...or 10 mil?

Re: 1 mil = ?? inches

Electronics Forum | Thu Sep 16 16:16:16 EDT 1999 | Power Circuits, Inc.

| I am not familiar with the "mil" metric. How many inches is in 1 mil? | | ...or 10 mil? | | 1 mil= .001 inches 10 mil= .010 inches Also, it has nothing to do with metric.

Re: 8 mil placement, part Deaux!!

Electronics Forum | Fri Sep 11 16:52:00 EDT 1998 | Dave F

0.050" -> 50 mil -> 50 pitch 0.80 mm -> 0.032" -> 32 mil -> 32 pitch 0.64 mm -> 0.025" -> 25 mil -> 25 pitch 0.50 mm -> 0.020" -> 20 mil -> 20 pitch 0.40 mm -> 0.016" -> 16 mil -> 16 pitch 0.20 mm -> 0.012" -> 12 mil -> 12 pitch Dave F

CCGA and overprinting?

Electronics Forum | Mon Oct 15 12:42:36 EDT 2001 | davef

I hate getting "roped" into math stuff, but here I go again ... Area of aperture = volume of paste / stencil thickness = {[5000 mil^3] / 5 mil} = 1000 mil^2 Side of the square aperture = Sqrt of the area = [1000 mil^2]^1/2 = 32 mil Diameter of ape

Number of times reworking

Electronics Forum | Wed May 28 08:25:08 EDT 2003 | davef

That's what we do [no more than three reworks or mods]. Your "four reworks permissable" was probably based on the 55110 five thermal cycles, counting wave soldering as the first cycle. How do you plan to keep track of each of those rework actions?

Lead Free Stencil Design

Electronics Forum | Wed Jul 13 19:47:06 EDT 2005 | Darby

This works for me with ENIG finish and a SAC305 NC paste Reduce all pads by -2mil on all sides ie 0.050" x 0.050" becomes 0.046" x 0.046" EXCEPT Anything smaller than 30mil; -1.5mil Anything smaller than 20mil; -1mil Anything smaller than 15mil;