B43501A1687M87

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Aluminum electrolytic capacitors are among the most widely used types of capacitors due to their wide range of application fields and working principles. The B43501A1687M87 is a common type of aluminum electrolytic capacitor used in many applications. This article will cover the application fields and working principles of this type of capacitor.

The B43501A1687M87 is a high-voltage aluminum electrolytic capacitor. It has a rated working voltage of 450V and is often used in high-power applications. It is commonly found in industrial electronics, power supplies, variable-frequency drives, motor drives, audio amplifiers, and power factor correction circuits. The capacitor has a high maximum operating temperature of 105° C and is suitable for operations in harsh environments. Additionally, it has a low equivalent series resistance (ESR) and a low dissipation factor due to its high quality terminal leads and internal construction.

The working principle of this type of capacitor is based on the fact that an anodic oxide layer forms on the surface of the aluminum when the plate is connected to the anode. This is known as the “only layer” effect. As an electric current passes through the capacitor, the anodic oxide layer acts as a dielectric, allowing the electric field to pass through it and create a capacitance. This is known as the “bipolar layer” effect. The anodic oxide layer conducts current but holds back the electric field, thereby creating the ability to store electric energy.

The anodic oxide layer also has the ability to resist moisture. This makes the B43501A1687M87 suitable for use in damp or humid environments. The capacitor also has a high self-healing ability, meaning that it can regenerate or heal itself over time, making it suitable for use in applications that require a long-term power supply. The capacitor also has a long lifetime and is able to withstand a wide range of temperature changes without affecting its performance.

In summary, the B43501A1687M87 is a high-voltage aluminum electrolytic capacitor that is suitable for use in high-power applications. It has a rated working voltage of 450V and a maximum operating temperature of 105° C, making it suitable for use in harsh environments. The working principle of this type of capacitor is based on the anodic oxide layer that forms on the surface of the aluminum plate and acts as a dielectric, allowing it to store electric energy. The capacitor also has a high self-healing ability and is able to withstand a wide range of temperature changes without affecting its performance. As such, it is ideal for applications that require a long-term power supply.

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