TCG200T350J1C

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Aluminum Electrolytic Capacitors: TCG200T350J1C Application Field and Working Principle

Aluminum electrolytic capacitors are the most commonly used type of electrolytic capacitor and are suitable for a wide range of applications such as filtering, buffering, bypassing, and DC blocking. The TCG200T350J1C series from TDK Corporation is a type of aluminum electrolytic capacitor, and its application field and working principle are discussed in detail below.

Application Field of TCG200T350J1C

The TCG200T350J1C series is a high-capacitance solid aluminum electrolytic capacitors. This series includes four types of capacitors with different electrostatic capacities (100µF, 200µF, 350µF, and 500µF). The capacitors are mainly used in automotive power supplies, such as car audio speakers and subwoofers. The series has excellent climate and moisture resistance as well as high ripple current capabilities. It also has low ESR and low impedance values, allowing for stable operation even at high frequencies.

Working Principle of TCG200T350J1C

The TCG200T350J1C series of aluminum electrolytic capacitors is based on electrochemical double layer capacitance. It uses an aluminum foil anode and a manganese dioxide (MnO2) layer as the cathode, which is separated by an ion-permeable separator. The anode is made of highly conductive aluminum foil which has a large number of small pores. These pores allow for the passage of positively charged ions, creating a double layer of capacitance between the two interfaces.

When a voltage is applied to the capacitor, ions from the electrolyte solution travel through the pores of the anode and are attracted to the cathode, forming a double layer of capacitance that can store electric charge. The capacitance of the capacitor is determined by the size of the pores in the anode and the thickness of the electrolyte layer. The capacitance value of the electrolytic capacitor can vary from 10µF to 1000µF, depending on its construction.

In addition, the TCG200T350J1C series capacitors also have a built-in self-healing mechanism that enables them to be automatically repaired in case of short-circuit. When a short-circuit occurs, the heat generated by the current flowing through the capacitor causes the manganese dioxide in the cathode to oxidize, separating the short-circuit current and restoring the capacitor to its original working condition.

Conclusion

The TCG200T350J1C series of aluminum electrolytic capacitors from TDK Corporation is a type of capacitor that is suitable for a wide range of applications in automotive power supplies. It has a high electrostatic capacity and excellent climate and moisture resistance. The capacitance is determined by the size of the pores in the anode and the thickness of the electrolyte layer. Furthermore, the capacitor also has a built-in self-healing mechanism that can repair the capacitor in case of a short-circuit.

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