ECQ-U3A684MGA

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 used for different electronic applications, such as general-purpose AC and DC circuits, high frequency circuits, and high-voltage operations. One example of a film capacitor is the ECQ-U3A684MGA, a high-voltage polymer capacitor. It is included in Panasonic’s lineup of all-in-one capacitors, and is a surface-mount type capacitor. It has higher frequency characteristics than electrolytic capacitors, making it ideal for applications where high frequency noise noise, such as switching power supplies, must be suppressed. This article will discuss the application field and working principle of the Panasonic ECQ-U3A684MGA.

Application Field

The Panasonic ECQ-U3A684MGA is a high-voltage polymer capacitor with a rated voltage of AC 300V or DC 450V. It offers low ESR (Equivalent Series Resistance) and high ripple current characteristics, making it suitable for applications such as line filters, power supplies, etc. The main application of this device is in power supplies for personal computers, home appliances, and industrial equipment. It can also be used in car audio/video devices, such as car stereos, amplifiers, and other sound systems. Additionally, this device is well-suited for controlling noise in switching power supplies and other high-frequency circuits.

Working Principle

The working principle of the Panasonic ECQ-U3A684MGA lies in the fact that film capacitors have a larger dielectric constant than electrolytic capacitors. This means that the capacitance of the film capacitor is larger, allowing it to store more charge and offer better high frequency characteristics. Additionally, film capacitors have a lower equivalent series resistance (ESR) compared to electrolytic capacitors, allowing for low impedance at high frequencies. This gives the Panasonic ECQ-U3A684MGA better noise suppression characteristics than electrolytic capacitors.

The Panasonic ECQ-U3A684MGA also boasts a high ripple current capability. Ripple current is generated in a power supply when the current supplied by the power source is periodically interrupted, creating a “ripple” current in the device. The Panasonic ECQ-U3A684MGA can withstand up to 10A of ripple current, making it an effective component for suppressing the higher frequency components of the ripple current.

Lastly, the Panasonic ECQ-U3A684MGA has a rated temperature range of -40°C to +85°C, making it suitable for applications in a wide range of environments. Additionally, its soldering temperature tolerance is -40 to +150°C, making it easy to mount in a wide range of applications.

Conclusion

The Panasonic ECQ-U3A684MGA is a high-voltage differentiated polymer capacitor with good frequency characteristics. It is suitable for use in power supplies, line filters, and other applications where high frequency noise must be suppressed. Additionally, it offers a high ripple current capability and a wide temperature range, making it a versatile component for a variety of applications.

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