B32923J3684K

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Film Capacitors

A film capacitor, also known as a film dielectric capacitor, is an electrical device that is composed of a plastic film as the dielectric. Its construction, usually based on a metallic foil and paper, is similar to that of a paper capacitor, but the dielectric film is more reliable due to its higher insulation resistance. Film capacitors, in comparison to electrolytic varieties, maintain higher capacitance and internal resistance over a pided voltage range.

B32923J3684K film capacitor

The B32923J3684K is a high-end film capacitor with a polyethylene-terephthalate (PET) film and a self-healing procedure, designed to withstand high temperatures and to provide maximum protection against high voltage, discharge and surge currents. Its high insulation resistance enhances its ability to reduce electromagnetic interference, while its high temperature stability makes it suitable for use in high temperature applications. Additionally, the B32923J3684K is shock and vibration resistant, one of its outstanding features.

Application fields

The B32923J3684K film capacitor is widely applied in various electronic devices and can be used as a primary power supply device in many occasions. Common application fields include but not limited to the following:

• Medical devices
• Industrial automation
• Consumer electronics
• Home appliances
• Security and surveillance systems
• Transportation and automotive
• Communication systems
• Power supplies

Working Principle

A capacitor is an electrical device that stores electrical energy, where one terminal is electrically connected to a metal plate and the other is connected to an insulated conductor. The metal plate acts as a conductor while the insulated conductor acts as the dielectric. The metal plate absorbs the electric charge, stores it, and gradually releases it when needed. When two metal plates with opposite electric charge attract each other and accumulate the electric charge, a capacitor is formed.

In the case of the B32923J3684K film capacitor, the metal plate is composed of metalized aluminum foil, and the dielectric material is a polyethylene-terephthalate (PET) film. The metalized aluminum foil absorbs the electric charge, which is then stored in the dielectric film. The dielectric material has a higher insulation resistance than paper capacitors, enabling it to store the charge more effectively.

The B32923J3684K film capacitor also has a self-healing procedure which protects it from overvoltage, discharge and surge currents. This self-healing capability reduces the chances of failure and makes the capacitor more resilient in harsh environments.

Conclusion

To sum up, the B32923J3684K film capacitor is a reliable electrical device with features such as high insulation resistance, shock and vibration resistance, and self-healing capability. This makes it suitable to be used in a variety of applications ranging from medical devices to power supplies. Its versatility also allows it to store electrical charge more effectively than other caps, which further makes it an ideal choice for many applications.

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