Re: Searching for ultra low Cjo diodes

On Aug 20, 2:24=A0pm, Paul <energymo...@[EMAIL PROTECTED]
> wrote:
> On Aug 20, 1:55=A0pm, John Devereux <jdREM...@[EMAIL PROTECTED]
> wrote:
>
> > Paul <energymo...@[EMAIL PROTECTED]
> writes:
> > > Hi,
>
> > > Does anyone know of inexpensive (less than 30 cents each @[EMAIL PROTECTED]
 QTY 1000)
> > > high frequency Schottky diodes with no more than 0.01pF per diode?
>
> > > The best I can come up with are from Skyworks Inc., which are around
> > > 0.1pF, although they have some that are a bit less capacitance, but
> > > they're expensive.
>
> > Are there are *any* discrete components with capacitance that small?
> > The capacitance between its mounting pads would likely be more than
> > that.
>
> I would like small caps. Makes for a nice stressful day under the
> microscope. :-)
>
> Paul



The Skyworks Inc. DMK2790-000 GaAs Schottky diode has a device
capacitance of 0.055pF. It says Cj0 is 0.05pF and average Ct is ~
0.063pF.

http://origin-products.skyworksinc.com/landingpage.jsp?familyname=3DGaAsFli=
pChip&Role=3DPublic&ShowCatalog=3DH&Selector=3Dfalse

Although I don't see any buy button for this diode. I think it's
expensive.

Paul