Schottky Diodes
Schottky diodes use a piece of metal against the N-type side instead of a P-type semiconductor. This results in a much lower voltage drop and fast switching speeds and are oftenused in a clever way to get to a digital 0
/OFF
. Used for basic logic control.
The circuit symbol for a Schottky diode looks similar to the diode symbol, except that the perpendicular line looks similar to an S
.
Schottky diodes typically have a very low voltage drop (V
f
), typically around 0.2V
(0.15V
to 0.45V
) which makes them very fast and also makes them ideal for use in simple circuit logic.