Electronics Forum: dimm (Page 1 of 4)

SMT type DDR DIMM socket placement

Electronics Forum | Tue Nov 19 10:39:11 EST 2019 | cmchoue

Hi Experts, If SMT Type DDR DIMM Socket , PTH Pin size:2.5mm , PCB hole 2.45mm, Could this design can use placement machine to put DIMM on PCB? How to overcome the interference between PTH pin and PCB hole? Thank you Best regards James

DIMM Connectors

Electronics Forum | Mon Jul 30 16:26:45 EDT 2012 | rdouglass

Just curious if anyone else has trouble with the installation and inspection of DIMM Connectors (I know - these are through-hole parts!) We have boards with 240 pin DIMM connectors and occasionally a pin may not be properly aligned prior to press-f

PC RAM Modules Testing

Electronics Forum | Wed Apr 17 04:52:35 EDT 2002 | hany_khoga

Dear all : Can anyone tell me how to test & approve the quality of PC RAM modules (DIMM,s)? Hany

RAM Modules troublshooting

Electronics Forum | Tue Dec 21 04:01:46 EST 1999 | Hany A. Salam

hello there : Does anyone know the techniques used for troublshooting or repairing the computer RAM modules (DIMM,s). We have a little equipment called simCHECK and it is not always able to locate the problem or the defective part. Do the DIMM desi

Solder voids in PTH

Electronics Forum | Tue Feb 19 22:50:00 EST 2008 | amarpreet41

Do you of reducing hole size of DIMM connector will improve solder voids??

Help!!

Electronics Forum | Sat Nov 05 01:22:23 EST 2005 | koeka

All, We are having insufficient hole fill only at DIMM connector area(120 pin/row total two or 4 rows at that area) when we switch to lead free (SAC and Sn/Cu). The finish we using is immersion silver. Preheat on top side ~98-118oC. Rosin flux type.

SMT type DDR DIMM socket placement

Electronics Forum | Wed Nov 20 21:30:36 EST 2019 | sssamw

first of all, you need check the strain caused by interference during connector insertion. If must done by SMT, then a claw would be better than nozzle.

Reason for Connector drop using chuck nozzle

Electronics Forum | Wed Feb 12 20:19:05 EST 2020 | nizar

Hi All, I have pick DIMM connector using chuck nozzle. Shape data already refer to physical size. Unfortunately, connector drop during pick up, and have many dislodge. Can we understand what might be the reason ?

Criterion of PCBA bending degree

Electronics Forum | Thu Jun 10 04:52:36 EDT 1999 | Gyver

Hello all! Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt it's the proble

Re: Criterion of PCBA bending degree

Electronics Forum | Thu Jun 10 04:54:10 EDT 1999 | Gyver

| Hello all! | Recently we got a problem about the Funtional test. Some boards passed tests by using the auto-fixture(vacuum), but failed by using manual test fixture(need to plug CPU, DIMM etc.). The error symptom is no picture. We doubt it's the pr

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