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Is the 1N5821 Schottky diode made of silicon? Or is it composed of other materials?

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    \$\begingroup\$ Yes. ---------- \$\endgroup\$ Commented Mar 3, 2017 at 0:03
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    \$\begingroup\$ yes and yes.... active part is silicon... a lot of other crap though onsemi.com/PowerSolutions/… \$\endgroup\$
    – Trevor_G
    Commented Mar 3, 2017 at 0:03

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From the datasheet:

This series employs the Schottky Barrier principle in a large area metal-to-silicon power diode.

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  • \$\begingroup\$ The metal is identified in the data sheet: 'chrome barrier', presumably meaning chromium. \$\endgroup\$
    – Whit3rd
    Commented Mar 3, 2017 at 4:08

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