200KXW330M16X35

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Aluminum Electrolytic Capacitors: 200KXW330M16X35 Application Field and Working Principle

Aluminum electrolytic capacitors are electronic components that use electrical energy to form electric fields in a thin film of oxide on the surface of an aluminum anode. They are widely used in consumer and industrial applications, such as power conditioning, signal filtering or timing, pulse generation, and high frequency rectifier filtering. Aluminum electrolytic capacitors use the principle of electrochemical reaction to form a conductive layer of oxide on the anode surface, which allows the charge to flow between the capacitor’s two electrodes at a higher rate.

The 200KXW330M16X35 is an aluminum electrolytic capacitor created by Nippon Chemi-Con and is primarily used in various lighting control systems, such as LED drivers, automotive lighting systems, and residential and commercial lighting systems. It has a radial design, a rated capacitance of 330 μF, and a rated voltage of 85 VDC. It also features a low ESR and low leakage current, making it highly reliable and suitable for long-term performance in challenging environments.

The 200KXW330M16X35 is rated for a wide operating temperature range of -40 °C to +105 °C, making it suitable for most of the applications in which it is used. It also features a long lifetime rating of 5,000 hours at 85 °C, making it highly durable for its size. With a small size-to-capacitance ratio, it is capable of taking up very little space on the board, making it a preferred choice for many applications.

Working Principle

The working principle of an aluminum electrolytic capacitor is based on its electrochemical construction. At its core, the capacitor consists of two aluminum foil electrodes, which are separated by a thin layer of aluminum oxide. Both electrodes are submerged in an electrolyte solution, typically consisting of organic solvents, plus acidic or basic salts. An electric field is applied across the electrodes, which causes the positively charged aluminum oxide to be converted to polymeric aluminum hydroxide and the negatively charged aluminum oxide to be converted to aluminum hydroxide. These two compounds form the two poles of the capacitor, respectively. As charge builds up on the two electrodes, the capacitor stores energy until the voltage across its terminals stabilizes. The electric field then dissipates, and the capacitor is discharged.

The 200KXW330M16X35 feature a hybrid construction that enables them to support larger capacitance values than traditional aluminum electrolytic capacitors. This hybrid construction is made up of several layers of aluminum combined with a cell separator. The capacitance of the device is increased by adding more layers of aluminum and the cell separator in order to increase the area of overlap. This allows the 200KXW330M16X35 to offer a higher capacitance value, while still maintaining a relatively small footprint.

Conclusion

Aluminum electrolytic capacitors, such as the 200KXW330M16X35, offer a range of advantages including long life ratings, low ESR, and small footprint. They are well-suited for applications such as LED drivers, automotive lighting systems, and residential and commercial lighting systems. This capacitor is also rated for an extended operating temperature range of -40 °C to +105 °C, and is capable of taking up very little space on the board. Through its hybrid construction, the 200KXW330M16X35 is able to support higher capacitance values, while still maintaining its small size.

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