Electronics Forum: components (Page 3 of 1103)

Melf components

Electronics Forum | Sat Mar 24 14:04:33 EDT 2007 | diesel_1t

if you have a regular nozzle, Z dimension is the same than Y because is a cilinder.

broken components

Electronics Forum | Fri May 29 08:22:09 EDT 2009 | scottp

It would help to see pictures, but I suspect the parts are seeing excessive strain when snapped into or removed from the pallet.

Skewed components

Electronics Forum | Tue Apr 24 20:26:00 EDT 2001 | kcw

We solved similar problems some time ago. Check the volume dispensed or printed. Also check that the glue or solder paste has not expired and if in doubt use a new cartridge or change supplier. Ensure the Z axis stroke and placement force is corre

Melf components

Electronics Forum | Mon Mar 26 13:45:45 EDT 2007 | SKJ

Melf components are tube shaped so the X and Z values are the same. If you use 3D X-ray you can tell if the joint is attached to the board properly and you will not need the Z-dimension information. This might be a better longterm solution than usi

Skewed components

Electronics Forum | Mon Mar 19 05:51:24 EDT 2007 | pima

Hello I made some test on different oven and problem still occurs. The only progress is that with diffrent thermoprofil ( Ramp to Spike instead of Ramp- Soak- Spike skewed components appears at 1 % of produced parts). With Ramp - Soak-Spike we have p

Skewed components

Electronics Forum | Tue Apr 24 12:56:39 EDT 2001 | Steve

We are experiencing a fair amount of skewed components, mostly 0805 resistors and capacitors, during the reflow process. We have pretty much ruled out the pick-n-place and have determined that it may be happening because of variables at the paste scr

Skewed components

Electronics Forum | Tue Mar 06 19:45:52 EST 2007 | davef

DPAK align on the tab with leaded solders. They don't align much with unleaded solders, but we know that your Indium NC-SMQ 92J is leaded. So, there may be too much paste on the heat sink tab causing the component to float [or wim] during reflow. If

Skewed components

Electronics Forum | Thu Mar 08 04:39:05 EST 2007 | stimpk

Hello, For the most part the ground side width should be reduced, but more than likly you are well into a run of built pcbs? Profiles may or not help in cases of the dreaded DPACK. No issues on any other areas or components so I'd stay away from t

Skewed components

Electronics Forum | Thu Mar 08 15:21:43 EST 2007 | pima

To be honest this product its only a part of bigger PCB, so we have only substrate with 3 FETs on it so no other components at substrate occurs and all substrate are staying at metal fixture. WE have already window pan aperture. WE producing this pro

0402 components

Electronics Forum | Thu Feb 24 11:02:29 EST 2000 | mark scheunemann

I am looking to discuss 0402 issues, specifically tombstoning/unsoldered. Any recommendations on pad size/spacing, stencil design etc would be helpful. Placement and reflow profile look good.


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