Electronics Forum: power electronics (Page 8 of 182)

best way to get power to PCB

Electronics Forum | Tue Oct 14 07:30:00 EDT 2014 | rob

For low voltage and current applications there are also some nice SMT conductive foam pads that come in on tape. http://www.gore.com/MungoBlobs/621/772/SMT_Grounding_Pads.pdf I think Laird also do something similar. We place them with no problem.

power grid quality for SMT line

Electronics Forum | Tue Nov 30 07:40:26 EST 2021 | bukas

thank you for information. my problems did start sometime around lighting upgrade 4 years ago. we bought some cheap led panels about 150-180 of them in total...

Re: Reliability of power module soldering

Electronics Forum | Tue Feb 22 04:29:29 EST 2000 | Gwen Z

First I apologize for my poor English writing. we have no heat sink fins and active cooling with power module. when the board is transported,the vibration of board and power module will shotten the solder joint lifetime. if we just solder it withou

Re: Reliability of power module soldering

Electronics Forum | Tue Feb 22 04:29:29 EST 2000 | Gwen Z

First I apologize for my poor English writing. we have no heat sink fins and active cooling with power module. when the board is transported,the vibration of board and power module will shotten the solder joint lifetime. if we just solder it withou

best way to get power to PCB

Electronics Forum | Thu Sep 11 16:06:34 EDT 2014 | gregp

Hello Esteemed Panel, I have a question...what is the most cost effective way to get power to a PCB? By this I mean connecting power and ground without a connector but something more reliable than soldering a wire directly to the PCB. Whatever solut

best way to get power to PCB

Electronics Forum | Thu Oct 02 15:28:19 EDT 2014 | arifa_anees

it all depends on the situation, your circuitry and components. ground place should always be below or above the signal and power traces to minimize loops and reduce EMI generated by the board.If you have multiple power voltages and a 4-layer board y

DEK 265 pneumatic power down error

Electronics Forum | Thu Mar 28 09:43:19 EDT 2019 | dekhead

Pneumatic power down error does go back to MMX12. MM's info is communicated to NM (in PC enclosure) via 100 way cable. Depending on software version, the "Pneumatic Power Down" error may be the default (initial) error generated with bad connection /

DEK 265 pneumatic power down error

Electronics Forum | Thu Mar 28 08:12:19 EDT 2019 | carehawk

We had an issue where a vision cable got cut and a few wires were exposed and possibly shorted. We fixed the cable and since then have had numerous errors with the last one being pneumatic power down. We have air to the machine and have checked the p

Real power consumption of Heller 1707

Electronics Forum | Fri Dec 09 18:35:01 EST 2011 | ngotranbestek

I have Oven Heller 1912EXL. I bought it is used machine ago 6 month Do anybody have experience about it? - How many speed Rail? - How many Zone need set, (10 zone or 11 or 12 zone need set?) - How is 3 cooling zone? need set or no?. ...

ERSA250 reflow oven - power shutdown

Electronics Forum | Tue Oct 01 14:53:24 EDT 2013 | felo188

it's means that a pcb part responsible for second top zone is broken. To make sure i changed second thermocouple and heater with first. Now there is no overshoot. But I have still problem with automatically shutdown. It is turning off after 1 or 2


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