Electronics Forum | Thu Jun 27 08:47:21 EDT 2019 | SMTA-John
Having success with Circuit Boards #432 Solvent Resistant Ink - Designed specifically for circuit boards. This medium dry ink is highly resistant to solvents .... It is also non-conducting. Note: this ink contains an aggressive solvent so should not
Electronics Forum | Tue Jun 11 04:08:55 EDT 2019 | aite
What type of product are you talking about in SMT? The SMT05E series are non-isolated DC/DC converters packaged in a surface mount footprintgiving designers a cost effective solution for conversion from a 3.3V to 5V source. Operating Temperature is -
Electronics Forum | Thu Mar 28 13:19:14 EDT 2019 | davef
There is no industry standard for BTC stand-off height. "IPC-7093A Design and Assembly Process Implementation for Bottom Termination SMT (BTC) Components" just finished "Final Draft for Industry Review" in December 2018. It mentions stand-off height
Electronics Forum | Tue May 21 13:17:47 EDT 2019 | SMTA-Thomas
2.54 μm [100 μin] gold thickness and all through-hole leads that will be hand soldered regardless of gold thickness” (we automatically solder wash all components which violate this requirement). In all cases we have attempted different no clean flux
Electronics Forum | Mon Aug 19 13:32:54 EDT 2019 | aqueous
ROSE testing a post-reflow assembly which has been reflowed using no-clean flux may not yield information that is helpful. No-clean flux technology works by encapsulating the flux's activators and other chemical constitutes that would be harmful if l
Electronics Forum | Thu Jul 23 10:14:31 EDT 2020 | robl
The odd form assemblers are extremely slow compared to the Axial & Radial UIC machines. Also there is a big cost for feeders. Key question is what is the max axial & Max radial feeder count on your biggest job and that will quickly tell you how man
Electronics Forum | Mon Aug 31 03:24:54 EDT 2020 | jmelson
I don't know this exact machine, but it likely has similar logic to some other Samsung machines. The E-stop buttons have TWO sections. One shuts off the "main start" button, the other informs the computer that the button has been pressed. If you d
Electronics Forum | Mon Nov 30 14:29:46 EST 2020 | kylehunter
Hi all. A recent board has shown some issues with graping and non-wetting on some 0402 capacitors. I believe we have the issue sorted. A combination of a 4 mil stencil with 2 mil reduction not giving us enough paste, and too long of a soak profile.
Electronics Forum | Mon Dec 21 15:00:51 EST 2020 | spoiltforchoice
Specific to this very purpose https://www.somersetsolders.com/smt-reel-sealers/p319?gclid=CjwKCAiArIH_BRB2EiwALfbH1AeOU9NaGStQBhvTITVHLZW0UtXMDFfbdo4YB4vtIyP9DxTGYWGAGhoCXLIQAvD_BwE Nothing Steier is cheap, while its easy enough to find cheap altern
Electronics Forum | Fri Jan 15 14:32:12 EST 2021 | marcelorotofrance
Hey there We have a second hand (or third or fourth...) Contact 3Z-100 non functioning, received as is. I am in the process to asses its condition and try to get a diagnosis. After DOS boot, 3Z.EXE executes and in the screen it reads: "Initi
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