Electronics Forum: pass (Page 99 of 142)

orientation of polarised smd components on reels/tapes

Electronics Forum | Mon Jul 25 09:11:25 EDT 2016 | spoiltforchoice

There 2 main rival standards for orientation in tape and because you can't really trust manufacturers to stick to one or the other or something else entirely it is always wise to check the datasheet. Typically an SOIC will have pin 1 the same end as

Reflow Profiling

Electronics Forum | Mon Jul 24 02:01:22 EDT 2017 | tsvetan

This will depend on many factors: your reflow oven chamber size, your oven temperature controller, the speed of the conveyor, size and mass of your PCB, etc etc. In practice you should adjust the profile for each case if you want to set in the optim

What is needed for UL ?

Electronics Forum | Fri Sep 08 22:48:48 EDT 2017 | ttheis

UL listing is handled by the customer typically. I am assuming you are a contract manufacturer producing only a component pcb assembly for use in a product final assembly and not the final product itself. We are a manufacturer that does our own popul

Pick and Place vs CAD File

Electronics Forum | Sun Nov 26 01:50:32 EST 2017 | alexeis

Hi Ivan, Our solution works with 3 type of data with XY: 1. CAD - the best choice but, as you mention, I isn't available for all products. From our experience, it is available in 30%-50% of products. 2. IPC - This file available in 80%-90% of produc

Best test methods to qualify reflow ovens, automated optical inspection

Electronics Forum | Thu Jan 04 03:01:38 EST 2018 | buckcho

As always, our good colleague Evtimov is right about the AOI and oven. For the AOI you need to make a golden sample board(panel) and test if your machine can catch all defects that you simulated BEFORE the oven. Try to me as accurate to real defects

Solder Joint Discolouration

Electronics Forum | Thu Jan 10 02:16:09 EST 2019 | ameenullakhan

Hi Steve, Thanks. This from the trusted supplier. HASL finished PCB. Even PCB supplier is using the water wash flux for fabrication. Its almost eliminated with N2 environment. And we had got a expert view from Dr. Lee of Indium on the issue st

Solder Station Logs

Electronics Forum | Mon Feb 25 09:53:30 EST 2019 | tombstonesmt

Good morning! In order to comply with current IPC J-STD-001G Appendix A-2, I'm putting together a log to periodically monitor solder tip temp tolerance, tip resistance, voltage leakage, etc.. I'm solely focusing on the hand solder stations for the t

First PCB and it didn't work

Electronics Forum | Mon Jan 06 20:53:23 EST 2020 | mikeyg12

Hello everyone! I have had this idea in my head to DIY a desktop KVM (without the V so I guess just a KM) board that I can solder USB A headers to with a DPDT switch. I designed the board and when I thought it was all good to go I proudly sent it of

Hydra Z error on hardware inialization

Electronics Forum | Sat Feb 22 09:41:44 EST 2020 | tomdegas

I am getting a F-MOT-MSEDYN HYDRA Z/156 error when I try to initialize Hardware on my My9. Interestingly though when I go into the "Service" program, I can initialize the Hydra Z with no problem. But when I try in TPSys, it doesn't pass and I get t

MY9 Hydra errors

Electronics Forum | Wed May 13 15:57:43 EDT 2020 | azdback

We have been working on an intermittent error on our hydra. And it seems to happen only after several hours of production have passed, it doesn't happen during the first part of the shift. Our hydra goes from working fine for several hrs to making


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