420USG150MEFCSN25X25

Aluminum electrolytic capacitors are widely used in switching power supplies, computers, TVs, fans, air conditioners, household appliances, automobiles, and etc. They are ideal for applications which require a large capacitance. This article will discuss the 420USG150MEFCSN25X25 and its application in aluminum electrolytic capacitors.

Introduction

420USG150MEFCSN25X25 is an aluminum electrolytic capacitor. This type of capacitor is constructed with aluminum foil as the electrodes and electrolytic paper as the dielectric. The purpose of a capacitor is to store electric charge and release it when needed. The 420USG150MEFCSN25X25 has a capacitance of 420 μF (µF) at a rated voltage of 150 VDC (volts direct current). It has a lifetime of 3,000 h (hours) and an operating temperature range of -40 °C to +85 °C.

Application fields

Aluminum electrolytic capacitors are used in a variety of applications. Firstly, they are used in regulated power supplies to filter the voltage coming from the output of the power supply. This is done by releasing the charge stored in the capacitor when the incoming voltage drops below the desired level. Secondly, aluminum electrolytic capacitors are used in switched-mode power supplies to increase the effectiveness of the power supply. By storing and releasing electrical energy, these capacitors reduce the amount of energy wasted in the switching circuits.

Additionally, aluminum electrolytic capacitors are used to reduce electrical noise and interference. For instance, they are often used to filter high-frequency interference from automotive electrical systems. Finally, they are used in motor control systems, where they help regulate motor speed.

Working principle

An aluminum electrolytic capacitor works by storing and releasing electric charge. When voltage is applied to the terminals of the capacitor, a current flows as the capacitor charges. This current is limited by a built-in resistor, known as an ESR (Equivalent Series Resistance). As the capacitor charges, the voltage across its terminals decreases. When the voltage reaches a certain level, the capacitor is deemed to be fully charged and will no longer accept current.

When the applied voltage drops below the capacitors rated voltage, the capacitor releases the stored charge as current. This current is used to power whatever device is connected to the capacitor. The process is repeated as the voltage rises and falls, allowing the capacitor to always stay charged and providing a steady source of energy to the connected devices.

Conclusion

The 420USG150MEFCSN25X25 aluminum electrolytic capacitor is a versatile component which is used in many applications. From power supplies to motor control systems, the capacitor is capable of storing and releasing energy as needed. It has a capacitance of 420 μF (µF) and a rated voltage of 150 VDC (volts direct current). As long as it is operating within its specified temperature range, the capacitor promise long and reliable service.