BYV143-45 – Low Conjunction Voltage

BYV143-45 is a centered-tapped positive CC Schottky recitifier diode. It comes in a TO220AB plastic package.

A Great Schottky Diode

Schottky Diodes have a higher current density than comparable standard silicon diodes and geranium diodes, meaning that they are much better at preventing transistor saturation. Furthermore, they’re also very useful in clamping applications.

By using a metal-semiconductor junction, the Schottky diode creates a Schottky barrier, which enjoys a lower junction voltage and an almost nonexistent depletion width in the metal. The low junction voltage of a Schottky Diode, like BYV143-45, allows it to operate where a nearly ideal diode is required. By using the low junction voltage, it’s also very useful for protecting circuits when used with normal diodes and transistors.

Various manufacturers used to make BYV143-45, but unfortunately it’s now discontinued, making them somewhat more challenging to purchase. Also, this part is not safe for military use.

Other Schottky Diodes include
08470-60012 Low Barrier Schottky Diode Detecto
115CNQ015ASM 15V 110A Schottky Common Cathode Diode in a D61-8-SM package