B32671L0332J289

Film capacitors, more generally called film dielectric capacitors, have become increasingly popular in the electronics industry due to their size, high capacitance, low losses, low inductance, and high stability. The film capacitor with the designation “B32671L0332J289” is a polyester (Mylar) film capacitor manufactured by BEYSCHLAG with a rating of X2 / Y2, which means it is suitable for applications where a very high level of safety is required.

Application Field

These types of film capacitors are typically used in AC power line filtering applications due to their excellent temperature and voltage stability. This type of capacitor is also used in circuit protection by clipping or blocking high frequency AC transients. Film capacitors are also suitable for use in high voltage circuits or applications in which very high voltage is expected. They can also be used in brushless DC motor drives, power supplies, switch mode power supplies and as coupling and decoupling capacitors in AC circuits.

Working Principle

Film capacitors are made by coating two conducting surfaces with a layer of dielectric material. This dielectric material acts as an insulator, preventing current from flowing between the plates and storing electric charge. When voltage is applied, an electric field is created which causes electrical charge to accumulate on the plates. This electrical charge creates an electric field that is strong enough to counteract the external electric field, resulting in an overall decrease in the strength of the external electric field. The net effect of this is that current is blocked from flowing, thereby creating a capacitance that can be used to store or release energy in AC circuits.

The dielectric material of the film capacitor is usually a polyester or polyimide material. These materials have the ability to absorb energy and release it according to the needs of the circuit. Polyester exhibits low temperature coefficient, low losses and low inductance, making it ideal for AC applications that require high voltage and current. On the other hand, polyimide has excellent dielectric strength and higher tolerance to temperature, making it suitable for use in high frequency circuits.

The B32671L0332J289 is a high quality film capacitor with excellent stability, low losses, and a wide range of applications. Its overall size and shape make it a popular choice for many electronic applications, especially those that require high AC performance.