LNT1C684MSE

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Aluminum electrolytic capacitors are essential parts of electrical, electronic, instrumentation and other industrial products with their advantages of small volume, low cost, long life, high working voltage, large capacitance and wide range of temperature coefficient. The LNT1C684MSE is one of the aluminum electrolytic capacitors, and it has a wide variety of application fields and working principles.

To start with its application field, the LNT1C684MSE is an extended temperature range version with 105°C rated. It is mainly used in professional audio-visual equipment, network switching power supplies, automotive electronic systems, automotive electronic control systems and other fields. It is also widely used as an EMI/RFI filter for switching power supplies, telecom systems, base stations, beacons, HVAC systems, and other RF sensitive applications. Moreover, it is suitable for all kinds of inductive circuits, photovoltaic systems, arc-fusion inverters, and other related systems.

Next, let’s move to its working principle. As aforementioned, aluminum electrolytic capacitors are Polarized capacitors in which the anode electrode is aluminum foil with an etched surface, which is covered with an insulating aluminum oxide layer that acts as the dielectric. The oxide layer is formed through an electrolytic process. On the other side of the capacitor’s dielectric, there is an electrolyte, generally liquid or gel-like, that is in contact with another aluminum foil referred to as the cathode foil. The electrolyte and cathode foil together act as an opposing electrode. The difference in potentials between the anode and the cathode side of the dielectric creates a field of electrons that overcome the internal resistance of the dielectric, creating an electrical current.

Unlike other capacitors, aluminum electrolytic capacitors generally have long life cycles. Indeed, this capacitor supports a guaranteed reliability at 105°C with 2000/3000 operating hour. As a result, it is widely chosen over other types of capacitors during design flow for its extended life.

In conclusion, aluminum electrolytic capacitors such as the LNT1C684MSE have a variety of application fields and working principles. It can be widely used in different application fields such as professional audio-visual equipment, network switching power supplies, automotive electronic systems, and automotive electronic control systems. Moreover, its working principle is based on the potential difference between an anode and a cathode electrode in order to create an electrical current. In addition, the product has a guaranteed reliability of 2000/3000 hours at 105°C compared to other types of capacitors.

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