On Mon, 1 Sep 2003 22:59:51 +0800, "EE-MAN"
wrote:

What's the difference between the Zener Diode, Schottky Diode and Schottky
Rectifier ? What's the difference of their application ?

EE-MAN

EE-man sounds like you need an electronics text book.

A Zener diode has a specified reverse breakdown voltage. Apply
voltage backwards to the diode, raise the voltage and at some point is
suddenly starts conducting current. Useful in producing voltage
regulators - - it is a "voltage reference." In the forward direction
it behaves like an ordinary diode (conducts with only a .6 volt drop).

Shotkey Diodes and Rectifiers are both Shottky Diodes. They have a
low forward voltage drop which makes them more efficient in low
voltage power supplies and signal applications. They are also
"faster" than silicon diodes (less storage time).

They cost more than silicon as a rule, and their reverse breakdown
voltage is lower. Silicon diodes can have reverse breakdowns in the
1000+ range where a Shottky with a reverse breakdown over 40 is
unusual.


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