EMLF350ADA4R7MD73G

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Aluminum electrolytic capacitors are widely used in a range of electrical and electronic products, and the EMLF350ADA4R7MD73G is one such capacitor. In this article, we discuss the application fields and working principles of the EMLF350ADA4R7MD73G aluminum electrolytic capacitor.

Construction of the EMLF350ADA4R7MD73G

The EMLF350ADA4R7MD73G aluminum electrolytic capacitor is constructed of a hollow cylinder scavenged of aluminum with a chemically etched and oxidized anode. The anode is separated from the cathode by an electrolyte. The capacitance of the EMLF350ADA4R7MD73G is achieved by varying the radial gap between the anode and cathode. This capacitor also features a containment sleeve which helps protect it against environmental degradation.

Application Fields

The EMLF350ADA4R7MD73G aluminum electrolytic capacitor is designed for use in a variety of applications, including telecommunication devices, consumer electronics, and automotive electronics. It is also suitable for use in a variety of industrial and medical applications where long life and reliability are key factors.

The EMLF350ADA4R7MD73G has an extensive operating temperature range of −55°C to +105°C, making it well suited for automotive, telecommunication, and consumer electronic applications, as well as industrial and medical equipment that is frequently subjected to harsh environments and extreme temperatures.

Working Principle

The working principle of an electrolytic capacitor is quite simple. An anode is connected to the positive terminal of a power source, while a cathode is connected to the negative terminal. Electrolyte is added between the anode and cathode and the electrolyte generates a charge, which causes an electric current to flow through the electrolyte, resulting in a capacitance. This capacitance is what gives the EMLF350ADA4R7MD73G capacitor its ability to store energy.

The aluminum electrolytic capacitor primarily relies on the accumulation of ions in the electrolyte to store energy, but also utilizes the thin oxide film that forms on its aluminum oxide cathode for increased capacitance. This oxide coating is formed due to the electrolyte breaking down and ionizing the aluminum oxide on the cathode, forming a conducting film on the surface of the cathode.

The main disadvantage of the aluminum electrolytic capacitor is its limited durability. Due to its high molecular weight, the electrolytic is prone to dielectric breakdown over time, which reduces the capacitance of the device over time. In order to ensure the device performs reliably over its lifetime, it is important to use a high-quality electrolyte and ensure that the applied voltage is kept well within the device’s absolute ratings.

Conclusion

The EMLF350ADA4R7MD73G aluminum electrolytic capacitor is a versatile component that is suitable for a range of applications, including telecommunication devices, consumer electronics, automotive electronics, and medical equipment. It is designed with a hollow cylinder scavenged of aluminum with a chemically etched and oxidized anode and an electrolyte that allows the capacitance to be achieved by varying the gap between the anode and cathode. Its working principle relies on the accumulation of ions in the electrolyte to store energy, but also utilizes the thin oxide film that forms on its aluminum oxide cathode for increased capacitance. Its main disadvantage is its limited durability, so it is important to use a high-quality electrolyte and ensure that the applied voltage is kept well within the device’s absolute ratings.

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