Electronics Forum: basic (Page 41 of 142)

Fuji IP 2 part data issue

Electronics Forum | Thu May 10 02:58:00 EDT 2018 | robl

Hi Dex, We're going back a few decades here, but... 1) can you treat it as 4 large leads - one rectangular block per side? 2) Is it failing on the coplanarity check set up or the basic vision? if Coplanarity, can you skip that check? 3) are you us

Soldering the Kingston BGA eMMC32G-W525

Electronics Forum | Wed Aug 22 08:28:04 EDT 2018 | hussman

Hi rob, I did request info from Kingston but their on-line help is basically no help. they bounce your around from one group to another. we have reflowed the part at high temp settings and it does seem to work. I was just wondering if I could g

MPM AP25

Electronics Forum | Sun Jan 13 17:09:58 EST 2019 | sarason

Attach a 3V cell using jumper clips to your existing cbpard, then swap out the dieing cell. if you are lucky you may be able to continue without having to find hat floppy disk. You will still need to know the PW: Given that this is basically an old P

How to reduce solder joint voids of LED without using vacuum reflow?

Electronics Forum | Tue May 07 10:36:38 EDT 2019 | slthomas

Probably just means you started out with an optimal profile. I suspect that not everyone does. ;) It seems like we did have some luck with profile adjustments in one instance with some QFN's with a large thermal pad. Like I said, though, the profi

Issue with Wave Optimizer

Electronics Forum | Fri Jun 28 21:09:56 EDT 2019 | joseangulo

Hi everyone, So basically i have a Wave optimizer (Model: SW-op) And after it finish to take the information from the wave, It show L Contact Lenght 0.00 CM and R Contact lenght 0.00 CM Any idea what can i do to solve this problem? Thanks

Basic Soldering question, I don't know where to turn to.

Electronics Forum | Tue Dec 03 10:02:30 EST 2019 | dwl

This is a perfectly appropriate question for this forum. Looking at the pics, the solder joints look fine to me. can you circle the questionable joint? Maybe I'm just not seeing it. In general its fine to reflow a questionable solder joint to troub

Basic Soldering question, I don't know where to turn to.

Electronics Forum | Thu Dec 05 11:40:36 EST 2019 | slthomas

That's a good point, although hand soldering a xfmr on a RoHS assembly isn't going to be a walk in the park. My other question would be did it fail because it got hot, or did it get hot because it failed?

Basic Soldering question, I don't know where to turn to.

Electronics Forum | Thu Dec 05 13:08:26 EST 2019 | thunder

I don't even know if it's a transformer,I think someone earlier said it was. I have a magnifying glass coming in addition to solder kit. Hopefully it will make the job a little easier, if i screw up I have a part on order. Do you see what I'm talk

Basic Soldering question, I don't know where to turn to.

Electronics Forum | Thu Dec 05 14:04:58 EST 2019 | slthomas

It just looks like a transformer, as had been mentioned earlier, but w/o a part number (usually the parts are marked with some ID code) it's hard to know for sure. If that's the case and what we're seeing is one of the leads for the windings that c

Basic Soldering question, I don't know where to turn to.

Electronics Forum | Thu Dec 05 15:07:12 EST 2019 | thunder

Print is so small ,can't read it,bunch of numbers/letters. Don't see any numbers/letters on the part itself,just around it. When I get the magnifying glass I'll get the part number and look it up to see exactly what it is.


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