Introduction to 1N4148, How to use 1N4148, Introduction to switching diode 1N4148, getting started with 1N4148, getting started with switching diode 1N4148, how to start with 1N4148 Hello everyone! I hope you will be absolutely fine and having fun. Today, I am going to give an Introduction to 1N4148. It is basically a diode used for fast switching purposes. Switching diodes are usually single P-N diodes and their functionality is similar to that of normal switch. Below a spe ...