ke2

A component that always appears in power circuits is the electrolytic capacitor . Labeled as 'uF' on spec sheets, what exactly does this part do? Let’s explore in detail the role of the electrolytic capacitor as the core of voltage smoothing in electronic devices.     1. What Is an Electrolytic Capacitor? An electrolytic capacitor is a polarized high-capacitance capacitor . It typically uses aluminum electrolyte or tantalum electrolyte . While relatively large in size, it provides high capacitance and is essential in power supply circuits, smoothing circuits, and voltage regulation . It has a cylindrical shape and is marked with a – symbol for polarity. Connecting it incorrectly may lead to explosion or leakage . 2. Smoothing Out the Ripple After Rectification Converting AC power to DC involves two steps: rectification and smoothing . After using diodes to rectify AC into DC, residual ripple waves remain in the voltage. Here, ele...

The capacitor is an essential electronic component that stores and releases electrical energy in a circuit. It’s used in almost every electronic device, from smartphones and computers to TVs, home appliances, cars, and industrial equipment. In this post, we will break down the main functions, operating principles, and types of capacitors so you can better understand how they work.     1. Main Functions of a Capacitor Energy Storage: Stores electrical charge when current flows and releases it when needed Filtering: Removes noise and stabilizes voltage fluctuations in power supplies Coupling: Passes AC signals while blocking DC components Timing: Works with resistors to create time-delay circuits Smoothing: Converts pulsating DC from rectifiers into smooth DC 2. Operating Principle A capacitor consists of two conductive plates (electrodes) separated by an insulating material (dielectric). When voltage is applied, electrons accumulate on o...