Printed Circuit Board Assembly & PCB Design SMT Electronics Assembly Manufacturing Forum

Printed Circuit Board Assembly & PCB Design Forum

SMT electronics assembly manufacturing forum.


Is there a quicker way to identify is a component is washable/cleanable?

Views: 99

#83204

Is there a quicker way to identify is a component is washable/cleanable? | 7 August, 2019

I have a question regarding is there any trick/tip able to quickly identify if a component is not clean/washable? Or a list of mfg p/n which already know are not clean/wash? We have an assembly would need to change the process from No-Clean to Clean due to "testing difficulty" with the No-Clean board. Now I have to go through the BOM (almost 400 line items) to find out all the not-clean/washable components so those would be hand-solder after all the wash process is done.

My question is, there should be a better way to do this, going through the datasheets of 300+ line item from the BOM is too much. Also, a lot of datasheets not very clearly stated it's not washable, or only a few tiny words(would easily miss).

Any suggestions?

reply »

#83212

Is there a quicker way to identify is a component is washable/cleanable? | 7 August, 2019

We mostly do it by package and/or functional description.

Certainly you should be able to ignore any passives (chip caps, resistors, diodes), and plastic bodied ICs and SOTs which will cut down the research dramatically.

Beyond that, we mostly just look for parts with unsealed housings (switches, accelerometers, barometric sensors/altimeters) and check the datasheet (or call a rep if it comes to that) if there's any question.

reply »

Electronics Experts Needed - Contract Jobs - We have Electronics Auditor positions available now!

Selective Conformal Coating System - GPD SimpleCoat

Software for SMT