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re: Diode testing questions..

Posted on 2/21/14 at 12:03 am to
Posted by Napoleon
Kenna
Member since Dec 2007
69261 posts
Posted on 2/21/14 at 12:03 am to
was thinking could measure the voltage drop with a set up like this.



I'm not 100% though.

Jeez this is killing me.

I know I'm getting 120 volts to transformer and I am getting 2,000 Vdc at the capacitor.
I don't want to be doing too much testing with the power on as this literally can kill me, and then the $250 won't be worth a thing. .lol
This post was edited on 2/21/14 at 12:04 am
Posted by 42
Member since Apr 2012
3703 posts
Posted on 2/21/14 at 12:13 am to
If you have similar diodes to test, you can test your tester on them.

Beyond that, the diode could be bad. Construction?

Can you jump it into a system with a little more juice to see if it performs well? Basically, use another system as a test light.

ETA: I'm no EE, but I always think of diodes as a one way valve for charge (so, current). Dorking around with potential differences when all that semiconductor and state dependence / quantum voodoo is going on puts me in a loop. Ergo, my thought process behind finding a basic way to test the one-way-ness of current flow rather than focus on potential differences. I figured that could be of more help or entertainment than my suggestion itself.
This post was edited on 2/21/14 at 12:19 am
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