Electronics Forum: electronics (Page 4791 of 7890)

Changing Ni/Au finish to HASL lead free

Electronics Forum | Tue Dec 21 12:28:27 EST 2010 | wrongway

I know when we used them we had problems when one pad is 7 mils tall nest to a flat pad one lead touches the pad the lead next to it isnt touching anything so then have an open I don't see how anybody dosnt have problems with it that use quad flatpa

Changing Ni/Au finish to HASL lead free

Electronics Forum | Tue Jan 04 10:40:41 EST 2011 | johanhuizing

Hello Piter, I don't know which type of HASL we will be using, we decided to do some test and I have to decide together with two other people which material we will try. Searching on the internet i discovered that it's not so easy to find a good sol

Milling durstone

Electronics Forum | Mon Dec 20 09:46:21 EST 2010 | azbvc

I have to make a few fixtures using durostone Material. I would like to know what end would be best to use for milling pockets out. I tried using HSS 1/4 in all I did was burn it up. Also I tried to use a 1/4 " carbide end and burnt that up too. any

MCS-30 Printer Problem

Electronics Forum | Wed Dec 22 13:04:41 EST 2010 | wingding

I have a FUJI MCS-30 and no way to print from it. I need a cable that goes from the printer to the connector on the back of the computer, or an adaptor that will allow me to use my dot matrix printer. The printer is new so I don’t want to replace it

Looking for parts to Pace LS3000

Electronics Forum | Sun Dec 26 15:57:49 EST 2010 | darlur

Hi, I got LS3000 but Im missing of some following parts: -Fiber-optic rigid probe -Flexible Optical Probe, 0.4mm (.015”)diameter P/N 106-0047-P1 Does anyone know where can I get them? All the best,

1B31 Acrylic conformal coating problems

Electronics Forum | Mon Dec 27 10:03:35 EST 2010 | duso02

Contact your distributor for the coating or Humiseal directly. Humiseal has had a recent issue with batches of 1B31. The specific problem is lack of adhesion, which is what you have as well. You need to find out if your batch # is one of the affected

Solder Paste Printing to 0.005

Electronics Forum | Tue Dec 28 09:52:28 EST 2010 | flipit

Use a 0.002" to 0.003" thick stencil. Use an electroformed stencil from Photo Stencil or one of the others. Use -500 +635 paste or a -500 paste or type 5 or greater paste. I have printed at 0.008" pitch with 0.004" pads. It can be done.

QFN (9x9) Thermal Capacitance Model

Electronics Forum | Tue Dec 28 03:54:50 EST 2010 | riscy00

Hi Has anyone has thermal capacitance model for QFN (9x9) package with exposed pad 7 x 7 (or 6 x 6). Ideally between junction and case, junction case and board (JESD51-7 or similar). I wish to do transient with spice, to established how long it tak

Need Help Operating CSM84VZ

Electronics Forum | Thu Dec 30 08:41:54 EST 2010 | ercdave1

Hello Tom, Thank you very much for taking the time to reply and offer your much appreciated help. I am downloading the files as I type and will check the model of my machine and your recomendations as soon as I get to the shop. I am glad that this

Need Help Operating CSM84VZ

Electronics Forum | Fri Jan 07 15:53:15 EST 2011 | tpappano

Both units have the 50 pin cable, but no drives are present. The service manual makes no reference to a disk drive (that I can find), is it possible that the floppy is a 'secret' factory tech-only service tool of some sort? Also, with the 50 pin cab


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