ECQ-E4123KF9

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, also known as plastic film capacitors, have been widely used due to their excellent electrical performance and high durability. The ECQ-E4123KF9 is a type of film capacitor specifically designed for use in extreme temperature range applications. In this article, we will discuss the application field and working principle of the ECQ-E4123KF9.

The ECQ-E4123KF9 is a low-ESL film capacitor. It is well-suited for applications with extreme temperatures ranging from -55°C to +85°C. Due to its low Internal Series Resistance (ESR), the ECQ-E4123KF9 is ideal for wide temperature ranges and power supplies. This makes it an excellent choice for use in a wide range of high-temperature and demanding applications, such as processor power supplies, industrial power supplies, and automotive power systems.

The ECQ-E4123KF9 is constructed from a thin layer of plastic films, which act as an electrical insulation and dielectric material. The films are impregnated with a highly stable electrical material, such as polyester, polypropylene, and polystyrene. This combination of films and electrical impregnation provides a reliable, predictable, and stable electrical performance, even in extreme temperature and humidity conditions.

The working principle of the ECQ-E4123KF9 is based on the capacitive behaviour of the electrical material. When a voltage is applied across the dielectric material, the electric field generated by the charges will cause the material to store energy and develop a potential difference. This potential difference, or “charge”, is proportional to the applied voltage and is a measure of the capacitance of the capacitor. The capacitance of the ECQ-E4123KF9 is rated at 0.5µF, which is sufficient for most power supply applications.

In addition, the ECQ-E4123KF9 is rated for very low leakage current, making it extremely reliable and safe for use in sensitive applications. Its high 1kV dielectric withstand allows it to be used in many high-voltage applications without fear of damage or injury. Furthermore, it has a high PCB temperature rise rating, meaning it is able to dissipate heat quickly in case of overload.

Overall, the ECQ-E4123KF9 is an excellent choice for extreme temperature range applications, due to its excellent electrical performance, high durability, and low ESR. It is a reliable, stable, and safe capacitor that can be used in a variety of power supply and other high-voltage applications.

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