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Essential Bus Diode Voltage D-25 voltage drop of 2.3V?

 
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nuckolls.bob(at)aeroelect
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PostPosted: Sat Jun 06, 2020 6:20 pm    Post subject: Essential Bus Diode Voltage D-25 voltage drop of 2.3V? Reply with quote

Quote:

What should I check to track down this increase in voltage drop?

Get your voltmeter out, ground the (-) lead and then
probe the pathway from main bus through the diode
to the e-bus.

I've never seen a diode fail in such a manner. You
could swap a new one in temporarily as part of the
investigation but I don't think your going to find
that to be root cause.

Quote:
Should I just swap in another D-25? I've been flying for 350hrs.

Is there another diode of choice now of a Diode I can use to swap in its place? Where can I purchase the AEC9001 Schottky Power Diode if that's a better option.

Pull the fast-ons off the old diode and push them
onto a new diode without mounting it to get a quick
voltage check. You're going to have to crawl around
under there to get at the pathway joints anyhow.
Return on investment for 'going Schottky' is limited.



Bob . . .


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