LNR1V474MSEN

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Aluminum electrolytic capacitors are used for various types of electronic applications including in power supplies, audio equipment, signal control, and communication systems. The specific device in question, the LNR1V474MSEN, has various advantages and features which make it suitable for an extensive range of applications. This article will summarise the application fields and working principle of the LNR1V474MSEN.

Applications

The LNR1V474MSEN offers supreme capacitance stability over temperature ranges, making it highly suitable for use in car audio applications, cameras, and other digital products. The device also features a long life expectancy and low equivalent series resistance (ESR). This makes it well suited for use in power electronics applications, such as high-density DC-DC converters, multi-stage DC-DC converters, power regulation circuits, and coil matching for EMC (electromagnetic compatibility) requirements. It also provides an ideal balance between high capacitance and low parasitic inductance, making it suitable for use in the telecommunications, and especially high frequency mobile phone applications.

The LNR1V474MSEN is pointedly suited for numerous high power flash applications due to its high peak current handling capacity. A flash application is an electronic device that consists of a light-sensitive triggering device and a pulse-shaping circuit to drive the flash lamp. The LNR1V474MSEN can also be used in audio devices, and particularly those where high capacitance is required. This attribute makes it a great choice for use in power conditioning circuits, such as those found in DC-to-DC converters.

Working Principle

Aluminum electrolytic capacitors use a very thin dielectric material, aluminium oxide, in order to create the capacitance. When the terminals of the device are applied with an external voltage, a layer of electrons is drawn to the anode. These electrons create a negative charge on the anode, making it highly reactive. The reaction then causes the aluminium oxide to form an electric field between the anode and the electrolyte. This electric field allows power to be stored between the anode and the electrolyte. The LNR1V474MSEN also has an etched metal casing, which allows it to dissipate heat quickly. This feature ensures that the device is more reliable than other capacitors, such as solid capacitors.

The working voltage of the LNR1V474MSEN mainly depends on the thickness of the dielectric layer. The dielectric layer is very thin, usually between 0.08 and 0.48 microns, so the working voltage of the device is relatively low. The capacitance of the device is very stable over temperature changes, making it suitable for many types of applications. The device also has a low leakage current, meaning it is able to maintain a constant capacitance even when the temperature fluctuations are high.

Conclusion

To summarise, the LNR1V474MSEN is an aluminium electrolytic capacitor that is suitable for use in a wide range of applications. It is highly suitable for use in car audio, cameras, power electronics, telecommunications, flash applications, and audio devices. The device features a low equivalent series resistance, a long life expectancy, and a high capacitance stability over temperature. This makes it a very versatile and reliable component for many contemporary electronic applications.

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