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01:33:17

Notice the led's voltage on the negative cycle. Way more than its rated reverse breakdown voltage. 

published 9 years ago

BillyT

9 years ago

EC doesn't seem to show led reverse break down, so some basic design allowance needs to be applied.

rich11292000

9 years ago

Yes. Where is the smoke?

2ctiby

9 years ago

The meter view may give a false impression of events. The volt drop across the LED only reaches about 2v (339 - 337 and so illuminates correctly) with a reverse of about -10mV http://everycircuit.com/circuit/5318922173153280

hurz

9 years ago

@2cent, or you have to google what the word "breakdown" is meaning.

2ctiby

9 years ago

I know Hurz, but the meter view explanation may have given the impression of a full - 339 v being applied due to breakdown and that is not happening.

hurz

9 years ago

You just prove you still dont now what breakdown is. Cuz rich is expecting a lower voltage than 339V in case of breakdown, and this is correct expectation. And you expect a high voltage due to breakdown which is not correct. Keep up guessing and messing!

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