ECQ-E4124KFB

Film Capacitors

Film capacitors are insulated electrical capacitors with multicore film insulation formed by forming an insulating film on an aluminium foil as the material for a core and an external electrode processed on both surfaces of the core. It is mainly used for inrush current of motor, DC blocking, phase adjusting, ultrasonic oscillator and low dielectric heating circuit. The ECQ-E4124KFB is a good example of such a film capacitor.

The ECQ-E4124KFB Application Field and Working Principle

The ECQ-E4124KFB is a plastic film capacitor with a rated voltage of 400VAC and a capacitance of 1200 µF. It is mainly used for motor inrush current, phase adjustment, blocking, ultra-sonic oscillator, low dielectric heating circuit and other applications.

The working principle of this type of film capacitor is simple. Upon application of a voltage, an electric field with a constant strength is formed between two electrodes, thus allowing electrical current to flow. The relatively thin metal film between the electrodes increases the effective capacitance by forming a barrier to the flow of current and therefore increasing the capacitance of the capacitor.

By providing a thin film between the electrodes, the ECQ-E4124KFB can block the current, reduce the amount of current passing through, adjust the direction and phase of the current, and increase the frequency of the current. It also has the added benefit of reducing the impedance due to the thin film reducing the reactance experienced by the current passing through and increasing the capacitance.

The ECQ-E4124KFB is also used because it has an insulation rating of over 70,000 hours and a dielectric strength of up to 500VAC. It is also noted for its high efficiency and low operating temperature.

The ECQ-E4124KFB is a great example of what film capacitors can do and the breadth of their applications. It is an ideal choice for a variety of products, particularly in applications where a large capacitance is required. The ability to regulate current and reduce impedance makes the ECQ-E4124KFB a great choice for a variety of motors, ultrasonic oscillators and other products.