ALS70G133NW350

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Aluminum electrolytic capacitors are widely utilized in various electronic applications, and the ALS70G133NW350 is used for tasks that require robustness in active power factor correction application or AC-DC conversion. Its unique construction includes an anode of aluminum foil upon which a coating of aluminum oxide has been formed by anodic oxidation. The dielectric layer protects the capacitor, which is then completed by winding a non-conductive spacer foil and a cathode foil of aluminum and paper onto the anode. The capacitor is further sealed to ensure airtightness and long-term reliability.

The main principles of operation of the aluminum electrolytic capacitors are the charging process, reverse current protection, and self-healing effect. The anode and the cathode of the capacitor are immersed in an organic electrolytic solution, while two electrical contacts are attached to either side of the capacitor. When an AC voltage is applied to the terminals, electric charge flows into the anode of the capacitor and is stored in the oxide coating. This forms the charge which determines the capacitance of the device. The oxide coating acts as the dielectric material, which helps to increase the capacitance of the device.

The reverse current protection feature provides protection to the capacitor from damage due to excessive charging and over-voltage. This is achieved by the negative electric field in the oxide layer, which ensures that the electric current is diverted to the anode before reaching the cathode. This feature also enables the capacitor to withstand surges and large voltage levels. The self-healing process involves the redistribution of dielectric within the oxide layer, and it helps to restore the capacitor’s electrical characteristics. The feature ensures that the device is able to operate through a wide range of power conditions.

The ALS70G133NW350 aluminum electrolytic capacitor also has a variety of use cases such as high-frequency filtering, rail traction application, boost or buck converters, and power management systems. It has a high rated voltage of up to 400 volts, a capacitance range from 1.5 micro farads to 1500 micro farads, and an operating temperature range of -40 degrees Celsius to +105 degrees Celsius. The device ensures long-term reliability and is compliant with RoHS and REACH directives.

The ALS70G133NW350 aluminum electrolytic capacitor is a reliable and cost-effective device for a variety of applications such as high-frequency filtering, rail traction, boost or buck converters, and power management systems. It has a wide range of electrical properties, such as a high rated voltage of up to 400 volts, a capacitance range from 1.5 microfarads to 1500 microfarads, and an operating temperature range of -40 degrees Celsius to +105 degrees Celsius. The device is also designed with reverse current protection and self-healing capability, increasing its robustness and ensuring its long-term reliability.

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