BFC237540821

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

Film Capacitors are precision capacitors comprised of thin dielectric films such as polystyrene, polypropylene, polycarbonate, and polyethylene terephthalate (PET) and used in electronic circuits for frequency control, signal filtering and storage applications. The BFC237540821 application field and working principle is focused on the use of polypropylene film as the dielectric film material.

Electrical Characteristics and Capacitance

The electrical characteristics of film capacitors depend on the size and dielectric film material used. Polypropylene film is used in the BFC237540821 application field and this material offers several advantages in terms of electricity leakage and capacitance. It has a high maximum voltage rating of up to 2500 volts and low dielectric losses or “DF”.

The capacitance value of the BFC237540821 ranges from 0.02uF to 4.5uF and offers good stability and high volumetric efficiency. This type of capacitor offers excellent electrical characteristics for a wide range of temperature range from -30°C to 125°C. Other important characteristics are its low ESR (equivalent series resistance), low loss tangent and low self-inductance.

Penetration Shield Construction

The BFC237540821 capacitor utilizes a penetration shield construction. This type of construction is ideal for applications that require extremely low height, such as ceramic chip packaging or tight spacing of components. It makes it possible to achieve a height of 1.75mm with a 2.2mm footprint, which is less than half the size of a conventional power film capacitor.

The BFC237540821 penetration shield construction features two layers of polypropylene film, one is used as the dielectric and the other as a shield. The dual layers of film provide improved dielectric strength, low inductance and excellent frequency characteristics. The addition of a shield layer also prevents solder penetration through the capacitor and increases its lifetime.

Working Principle

The working principle of the BFC237540821 Film Capacitor is the same as any other type of capacitor. It consists of two metal plates separated by a dielectric material. When voltage is applied across the plates, electrons collect on one plate due to the attraction of opposite charges and create a potential difference between the two plates.

The potential difference between the plates is what allows the capacitor to store and release electrical energy. The capacitance of the BFC237540821 is determined by the size and type of dielectric material used. The higher the capacitance, the greater the amount of energy the capacitor can store.

Applications

The BFC237540821 Film Capacitor is a compact and reliable type of capacitor that is well-suited for a wide range of applications. It is suitable for high-frequency, moderate level audio and switching power supplies, as well as motor control, telecommunication systems, LED lighting, and medical equipment.

The low ESR and high temperature range of this Film Capacitor makes it well-suited to power applications, such as power grid backup systems and automotive power systems. This capacitor can also be used in circuits for filtering, bypassing, coupling and decoupling in switch mode power supplies.

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