25ZLK820M10X20

Aluminum electrolytic capacitors are utilized in a wide range of applications that demand energy storage capabilities greater than what can be provided by ceramic capacitors. The 25ZLK820M10X20 is an aluminum electrolytic capacitor that features a maximum operating voltage of 82 volts, a tolerance of 10%, and a ripple current capacity of 20 amps.

Application

The 25ZLK820M10X20 aluminum electrolytic capacitor by Panasonic is used in various applications including automotive, temperature control, and audio filtering. Its primary application is in high frequency power conversion where it is able to store energy quickly and reliably. The capacitor is also useful in the filtering of AC power for loudspeakers, allowing for better audio rendering. Meanwhile, the capacitor is also widely used in automotive settings, such as with car alarms, ABS systems, and electric windows.

Working Principle

The 25ZLK820M10X20 aluminum electrolytic capacitor functions as follows. The device is composed of an anode, a dielectric, and a cathode. The anode in this case is made out of aluminum and is covered with a coating of oxide layer that acts as a dielectric. When a voltage is applied across the anode and cathode, a current passes through them and charges the capacitor. This charge is then maintained until the voltage is removed or if the capacitor leaks.

The capacitor’s capacity is determined by the size of the dielectric layer, which is determined by the area of the oxide film. Meanwhile, the alloy of the anode and the operating temperatures affects the quality of the oxide film, which in turn affects the capacitors’ performance. The 25ZLK820M10X20 capacitor has a maximum operating temperature of 105 degrees Celsius, an capacitance of 820µF, and a voltage rating of 82V.

Safety Considerations

As the 25ZLK820M10X20 is an aluminum electrolytic capacitor, caution should be exercised when handling or using the device. Failing to do so may result in the capacitor leaking or catching fire, and improper installation may further increase the likelihood of these events. Thus, electrical engineers should always consult the manufacturer’s documentation prior to installing the device.

Conclusion

The 25ZLK820M10X20 is an aluminum electrolytic capacitor capable of storing energy quickly and reliably. It is used in various applications, including audio filtering and automotive components, and is capable of withstanding temperatures up to 105 degrees Celsius. The device carries a voltage rating of 82V and should be handled with caution as improper technique could lead to leakage or fire.