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Diode  Demystifying Diodes: Understanding the Fundamental Electronics Component Introduction: When it comes to electronics, few components are as fundamental and versatile as the diode. Whether you're a seasoned engineer or just starting your journey into the world of electronics, understanding diodes is essential. In this blog post, we'll explore what a diode is, how it works, its various types, and its applications. So, let's dive into the world of diodes and shed light on this crucial electronic component. **Table of Contents:** 1. **What is a Diode?**    - Defining the Diode    - The Semiconductor Material 2. **How Does a Diode Work?**    - Understanding the P-N Junction    - Forward and Reverse Bias 3. **Types of Diodes**    - 3.1. **Rectifier Diodes**    - 3.2. **Zener Diodes**   

9 volt transformerless power supply  Presented circuit diagram is of 9V DC 200mA transformerless power supply.  A polyester capacitor C1 105J 400v is used in this circuit to step down the AC voltage.    Resistance R1 1mega ohm is used to discharge the capacitor. And resistance R2 10k Ohm 5w is used in this circuit.  Four diodes 1N4007 have been used in this circuit to convert AC volts to DC. Transformerless power supply circuit diagram  Apart from this, an electroletic capacitor C2 220UF 25v has been used in this circuit to filter the voltage.  A zener diode 9v 1W has been used in this circuit to protect the circuit.   This circuit is very simple and very easy to use.  The list of all the electrical components used in this circuit is given below. Electronics components list  polyester capacitor 104j 400v=1p zener diod