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RE: Ping: Jim McShane

Posted by Triode_Kingdom (A) on April 25, 2017 at 10:57:43

In Reply to: RE: Ping: Jim McShane posted by Jim McShane on April 25, 2017 at 09:00:43:

Well, I was afraid of that (not GI diodes). I noticed the ON symbol, but hadn't thought to look them up under a different number. These are apparently MR856 diodes, and they're not discontinued. Mouser has 10,000 of them at roughly the price I paid.

The MR856 is specified for the same reverse recovery time as the GI part, in fact "typical" is twice as fast (100nS). Other specs are similar, although junction capacitance isn't noted. I could measure the Trr and junction capacitance to determine whether these are Chinese fakes, but even if they meet the GI numbers, I wonder if they'll perform the same sonically. I was hoping to have the exact same parts because of your experience.

I ordered these through Amazon, so I'll lodge a complaint and see what happens. It's not worth the time or cost to ship them back, so I might end up trashing them. Good thing I only bought 60.

Thanks for your help with this!

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