Capacitor Category Description
Capacitors are passive electrical components used in almost all electronic applications. There are many types of capacitors depending on the application and requirements.
Dasenic offers a wide range of capacitor products such as tantalum, aluminum, polymer, electrolytic, film capacitors and ceramic capacitors. Each type of capacitor has its own unique advantages and disadvantages to meet the different circuit requirements of your various projects.
Capacitor definition
What is capacitor ?
A capacitor is an electronic component that can store charge and energy. It consists of two conductive plates (called electrodes) and an insulating material (called a dielectric or dielectric) sandwiched between them. The main parameters of a capacitor include capacitance (in farads, usually expressed in microfarads μF or nanofarads nF), withstand voltage (the maximum voltage that a capacitor can withstand), temperature coefficient, equivalent series resistance (ESR), etc.
The main functions of capacitors in circuits include:
Energy storage: Capacitors can store electrical energy and release it when needed. This feature is very important in power supply systems.
Filtering: Capacitors can be used to filter out noise in signals. In power supply circuits, capacitors are often used to smooth voltage fluctuations.
Coupling: In an AC circuit, capacitors can be used to block the DC component and allow only the AC signal to pass through, which is called signal coupling.
Tuning: In radio and communication equipment, capacitors and inductors are used together to tune the circuit to select a specific frequency.
Capacitors have a wide range of applications, including energy storage, decoupling, filtering, timing circuits, motor starting, power factor correction, signal coupling,etc.
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