SFA37S3K156B-F

Film capacitors, also known as plastic film capacitors or dielectric film capacitors, are components that use a plastic film as a dielectric. Unlike ceramic and electrolytic capacitors, film capacitors can offer features such as low noise, self-healing properties, and temperature stability. The SFA37S3K156B-F is one such type of film capacitor with high performance, and it has a wide range of applications.

Overview of SFA37S3K156B-F

The SFA37S3K156B-F is a type of radial leaded Polypropylene film dielectric capacitor. It offers a wide range of capacitance values, from 1nF to 5.6uF, and has a voltage range of up to 1.6KVAC with a standard tolerance of 5%. The unit is also available in various sizes, ranging from 8.0mm x 14.3mm to 20.0mm x 32.5mm, making it suitable for a variety of applications. The unit is rated for an operational temperature range of -40 to +85 degrees Celsius and has a Rated Accelerated Life Time of 5000 hours.

Application fields

The SFA37S3K156B-F is designed to meet specific performance requirements in a wide range of applications. Due to its low leakage current and wide temperature range of operation, the SFA37S3K156B-F is often used in high voltage applications such as power supplies and motor control circuits. It is also commonly used in signal and data processing circuits, where high accuracy and stability are required. Additionally, the SFA37S3K156B-F is suited for various automation applications as well as medical instruments, where its self-healing properties enable it to tolerate large voltage spikes.

Working principle

The SFA37S3K156B-F uses a polypropylene film as the dielectric material, which is sandwiched between two layers of metal electrodes. This construction results in a capacitor that has excellent insulation properties and high self-healing capabilities. When a voltage is applied, the capacitor will store the charge through the redistribution of electric field within the dielectric material, as well as in the electrodes. The amount of charge stored is dependent on the capacitance, which is determined by the size and type of the dielectric material.

The performance of the SFA37S3K156B-F is also determined by the quality of the dielectric material used. Polypropylene films are known for their excellent electrical and thermal performance, as well as their superior moisture protection. This ensures that the SFA37S3K156B-F can perform in a wide range of environmental conditions. Furthermore, the self-healing nature of the film allows the capacitor to automatically repair itself following high voltage spikes, ensuring a stable operation.

Conclusion

The SFA37S3K156B-F is a plastic film capacitor with excellent performance characteristics. Its wide range of capacitance values, voltage rating, and temperature range make it suitable for a variety of applications, such as motor control circuits and signal processing circuits. Additionally, its self-healing properties enable it to tolerate large voltage spikes, making it suitable for high-voltage applications such as automation. Finally, its polypropylene dielectric material ensures excellent electrical and thermal performance, as well as superior moisture protection.