The first step to test a zener diode is to identify it among other components on a circuit board or a schematic diagram. Zener diodes are usually marked with a Z or ZD symbol, followed by a number ...

Why Zener Diode Matters Think of the Zener diode as a bodyguard for your circuits. It’s widely used to ensure that electronic systems don’t get fried by unexpected voltage spikes. You’ll find Zener ...

In this page I present my approach to building a Zener diode tester. There are of course several DIY versions on the internet, but I have a few requirements... I am often confronted with switching ...