ESRD820M04XB

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Aluminum - Polymer Capacitors (APCs) are multi-layer capacitors that often replace electrolytic capacitors in high-end electronics. They are well-suited for a wide range of applications due to their temperature stability, low ESR and long lifetime. Among APCs, ESRD820M04XB is a high-frequency chip capacitor used in high-frequency applications. It is specifically designed for a wide range of applications such as high-frequency switch-mode power supplies (SMPS), mobile telecommunication, and other high-frequency applications.

ESRD820M04XB has a voltage rating of 63V and a capacitance range between 4.7uF to 6.8uF. It is a surface-mount chip capacitor with a small package outline (1.2x2.5mm). Its low-profile construction and small size make it ideal for space-constrained designs that require high capacitance in a small area. The device features a UL 94V-0 qualification and a resonant frequency up to 200 MHz.

The basic construction of the ESRD820M04XB uses a dielectric layer of aluminum oxide between two metallized electrodes. The electrodes are made up of a printed circuit board, with a layer of aluminum on each side. This provides an additional benefit of increased insulation between the electrodes. The thickness of the electrodes can range from 0.2mm to 0.5mm, while the dielectric layer is typically 0.3 micron thick.

The working principle of ESRD820M04XB operates on Faraday\'s law of induction. When a voltage is applied across the capacitor, a capacitive current will flow through the device. As a result, the electric field across the capacitor increases, resulting in an increase in the charge stored on the capacitor plates. The magnitude of the capacitive current depends on the capacitance of the device and the applied voltage.

The ESRD820M04XB capacitor is usually used in SMPS, RF low-noise amplifiers and other high-frequency applications. It is attractive for these applications due to its high capacitance, low resistance, and ability to handle high frequencies. This capacitor offers superior performance for high-frequency applications, reducing signal distortion and improving system reliability. It is also used in digital signal processing circuits, such as active filters, precision rectifiers and flicker noise reduction networks.

In summary, ESRD820M04XB is a type of aluminum-polymer capacitor (APCs) with a voltage rating of 63V and a capacitance range between 4.7uF and 6.8uF. It is typically used in SMPS, RF low-noise amplifiers, and other high-frequency applications due to its small package, low ESR, and high frequency resonant characteristics. Its basic construction uses two metallized electrodes, with a layer of aluminum oxide between them. It works on Faraday\'s law, with the capacitance determining the capacitance current that depends on the applied voltage.

The specific data is subject to PDF, and the above content is for reference