B41605B109M9

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Aluminum electrolytic capacitors, also known as ‘electrolytic capacitors’ or \'aluminium electrolytic caps\', are capacitors whose capacitance (the ratio between the charge stored and the applied voltage) is achieved by utilizing two aluminum foils separated by a non-conductive dielectric material such as paper and electrolyte. The B41605B109M9 is one such device designed primarily for applications requiring polarization.

The B41605B109M9 is a high-performance aluminum electrolytic capacitor featuring non-polarized pins. It has a dielectric strength of 10kV, a capacitance range of 100µF to 3,000µF, and is designed to operate in temperatures from -55°C to 125°C. It utilizes two layers of aluminum foil separated by an aluminum oxide dielectric material, and is hermetically sealed in a can to protect against contaminants such as dust and moisture.

The B41605B109M9 is primarily used in applications that require high capacitance values and low ESR (equivalent series resistance) in order to provide reliable transient voltage protection. Examples of such applications include power supplies and motor control systems, where it is used as a filter to remove AC ripple from DC output signals. It is also commonly used in audio systems to minimize noise generated by the power supply. The device is especially useful in automotive and aviation applications, where its long-term reliability is required.

The working principle of the B41605B109M9 is quite simple. When the device is connected to a DC power source, the voltage applied to the two aluminum foils causes an ion current to flow through the electrolyte. This ion current forms a charge on the aluminum foils, which produces an electric field between them. This electric field, in turn, develops a charge on the two planes separated by the dielectric material, and acts as a capacitor. The capacitance values are proportional to the area of the two aluminum foils and the thickness of the oxide dielectric layer.

In conclusion, the B41605B109M9 aluminum electrolytic capacitor is a high-performance passive device used in applications requiring polarization. It is suitable for applications such as power supplies, motor control systems, audio systems, and automotive and aviation applications. The device works by establishing an electric field between two aluminum foils, which acts as a capacitor and provides reliable transient voltage protection.

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