PC1D helpThe Schottky diodes you're considering are ...
PC1D helpThe Schottky diodes you're considering are ...
&#;PC
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1D help
The Schottky diodes you're considering are custom
-made by a specialized electronics manufacturer. These diodes are
25&#;mm
2&#;in size and are fabricated on
250 \mu m thick p
-type wafers with a resistance of
35&#;m
\Omega and a lifetime of
10 \mu s
.&#;The manufacturer's technology allows them to create Schottky barriers on p
-type silicon with a barrier height of
0.4&#;eV on silicon layers containing
1x
10^15&#;cm
^-3&#;with a
10 \mu s lifetime. They add a low
-doped layer on top of the wafer, which can be up to
5 \mu m thick, tailored by the design engineer
If you are looking for more details, kindly visit Custom Schottky diode suppliers Company.
(in this case, you
)&#;to achieve the desired breakdown voltage. Breakdown occurs at an electric field of
300&#;kV
/cm in the depletion region. It's crucial to design the breakdown voltage to be at least
20V higher than the highest reverse bias voltage the diode will encounter in any circuit. Note that for reverse bias I
-V simulations, reducing the substrate thickness to
2 \mu m may be necessary for simulation convergence. Additionally, a high surface recombination rate
(e
.g
., 10^10&#;cm
/s
)&#;at the Schottky metal interface should be included in the simulation parameters.
Advice on Schottky Diodes, please
Hello all you electronics wizards
I am using a Schottky diode in place of the cut-out on my dynamo system, and the one I have used for two years has now failed*. So, what spec should I choose from the long list at RS to replace it?
12 volt system, so 14 V on a good day.
Max output 10 Amps
Ignition is Lucas electronic coil, so ignition spikes are a factor.
The diode will be attached to an aluminium heat sink under the bonnet of the car.
Anything else you need to know?
* it was a gift on the basis 'try this, it might do what you want' &#; and it has.
Thanks, Tim
PS a Schottky diode has a low voltage threshold, so it allows current to pass at a low voltage, and this is preferred for this use (I think) as it ensures rapid build up of the current in the field coils.
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