Electronics Forum: high voltage (Page 1 of 11)

Fluxes for high voltage DC

Electronics Forum | Sun Oct 31 10:58:52 EDT 2010 | cobar

http://www.shanelo.co.za/Design,%20process%20and%20reliability.htm

Fluxes for high voltage DC

Electronics Forum | Wed Oct 27 08:46:20 EDT 2010 | adlsmt

We are having metal migration issues with SOT 223 and TO 220 parts runing at 500V DC. We are using no clean flux and suspect that is causing the problem. Does anyone have any experience with these levels of DC voltages or know of any consulting firm

High voltage PCB material

Electronics Forum | Fri Apr 19 15:52:31 EDT 2002 | davef

So, what is 'high voltage'? anywho? * We sort of use 10 kV as the starting point for 'high voltage'. * National Electrical Code defines a much lower starting point (300 or 600 V?),

High voltage PCB material

Electronics Forum | Thu Apr 18 16:55:39 EDT 2002 | davef

Yes. Ceramic is much better. We use FR4 in fairly high voltage circuits. What are the particulars? * Where are you arcing * How many layers, prepreg, etc

High voltage PCB material

Electronics Forum | Thu Apr 18 11:44:34 EDT 2002 | jsmith01

Does anyone know of a PCB material that is better at preventing arcing than fr4 or g10?

X-Ray, inspection voltage, voltage blooming

Electronics Forum | Wed Feb 05 08:51:13 EST 2014 | emeto

What I think it does is to calibrate the camera. You have your tube on the bottom and your camera on the top. For my machine(Dage) I have to put the board I am going to examine inside and select a point on the board surface. THen I just click on this

high power operation

Electronics Forum | Mon Aug 06 10:05:23 EDT 2007 | davef

IPC-A-610 has a section on high voltage soldering

high power operation

Electronics Forum | Mon Aug 06 05:12:20 EDT 2007 | wayne_

Hi Is there any standard or requirement to test the solder under high power operation? For example, a power switching device, what is the failure mode of the solder joint after the whole equipment undergone a high power (current / voltage) environmen

Omniflo 5 high temperature warning

Electronics Forum | Tue Sep 02 13:35:29 EDT 2008 | evtimov

Hi, I don;t thing there is an overtemperrature sensor. Just the thermocpouple returns a higher temp(voltage) to the controller and your software goes to alarm, cooldown or what ever it does. Emil

HIGH VOLTAGE AND FLUX RESIDUE

Electronics Forum | Mon Nov 27 15:51:51 EST 2006 | barryg

HI THERE GUYS ,GALS, DOES ANYONE KNOW OF A SPEC OR TEST OF THE AFFECTS OF HIGH VOLTAGE (300-1KV)ACROSS CONNECTIONS SOLDERED WITH NO-CLEAN. COULD THE FLUX BREAKDOWN AND CAUSE A CURRENT PATH? I HAVE CHECKED THE SPECS ON OUR SOLDER AND THE TEST METHODS

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