What a nice info you gave, Paul!
Just completed my order now. Thanks! :)
On Thu, 05 Oct 2017 10:13:09 -0400
> Richardson RF has the PIN diodes on close-out. This spring they had a
> supply of 275+ diodes. Today, stock level is 50 units and I doubt more will
> be manufactured in the isolated stud-mount version. Price is only USD
> $24.75 in small quantities. That's much less than original pricing. Two
> UM4006D diodes are used in the 87A/89.
> Paul, W9AC
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