ECQ-E2684KB

Film Capacitors: ECQ-E2684KB Application Field and Working Principle

Capacitors play a significant role in many electronic circuits in the form of energy storage and filtering. Film capacitors are one type of capacitor which utilizes a thin plastic or paper film as the dielectric material. This type of capacitor is one of the most commonly used types of capacitors in ordinary application, with the ECQ-E2684KB film capacitor being particularly popular.

The ECQ-E2684KB film capacitor is a non-polarized, axial leaded, ceramic-substrate, capacitor mostly used in oscillators and other circuits requiring stability and high accuracy in analog and digital circuits. Its small size and high surge current capacity make it especially suitable for use in a wide range of consumer devices such as televisions, telephones, portable media devices, and personal computers.

This capacitor can handle a maximum voltage of 200 VDC and is available in several capacitances ranging from 0.01 μF to 47 μF depending on the device. The maximum operating temperature of the capacitor is 125ºC and the leakage current is very low. It also has excellent durability, making it a reliable choice for long-term applications.

The working principle of the ECQ-E2684KB film capacitor is quite simple. As charge accumulates on the capacitor plates, electrons flow through the dielectric material between the plates. This creates a potential difference between the plates and creates an electric field. This electric field creates an opposing force against the accumulation of more charge, which is known as capacitive reactance.

The capacitive reactance is what allows the capacitor to store energy and then release it when necessary. The exact amount of reactance will depend on the size of the plates, dielectric material and frequency of the applied voltage. When an alternating current is applied, the capacitor will act as a small resistor, limiting the current and creating a voltage drop across the capacitor. This voltage drop creates the effect of an AC voltage supply being “smoothed out” by the capacitor.

The ECQ-E2684KB film capacitor is designed for use in applications where stability and reliability are important. Its small size and high surge current capacity make it suitable for many applications, from consumer devices to industrial equipment. It offers excellent performance and is ideal for applications where small size and high accuracy are desired. With its simple working principle, it is easy to understand the great value and performance of the ECQ-E2684KB film capacitor.