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Author Topic: Meaning of reverse voltage in anti-parallel diode optocoupler  (Read 1321 times)

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Offline Back2VoltsTopic starter

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Meaning of reverse voltage in anti-parallel diode optocoupler
« on: October 15, 2017, 08:29:00 pm »
I am wondering to what does it refer to.    The VOS628A is giving 6V in maximum ratings

http://www.vishay.com/docs/83466/vos628a.pdf
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Offline Signal32

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Re: Meaning of reverse voltage in anti-parallel diode optocoupler
« Reply #1 on: October 15, 2017, 08:37:23 pm »
It would appear it refers to just that ... the maximum reverse voltage for either of the two diodes.
How i'm guessing it is relevant is probably if you blow out one of the diodes, you still can't apply more than 6v in reverse of the 2nd one or you'll damage that too.
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Offline Audioguru

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Re: Meaning of reverse voltage in anti-parallel diode optocoupler
« Reply #2 on: October 15, 2017, 08:45:31 pm »
Does it have two LEDs connected with opposing polarities? Then a reverse voltage will occur only of one LED burns out.
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