381LQ682M050H052

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Aluminum electrolytic capacitors are one of the most common types of capacitor available in the consumer market today. They are used in a variety of applications from TV’s, radios, and other consumer electronics, to high precision scientific research hardware. The specific part number 381LQ682M050H052 is a special type of aluminum electrolytic capacitor known as radial leaded capacitors.

Radial leaded capacitors are by-far the most popular type of aluminum electrolytic capacitor for general consumer use. Most computer motherboards, consumer electronics, and many industrial applications rely on these parts for signal filtering, bypassing, and other related functions. The 381LQ682M050H052 part number describes a specific part from a specific company, featuring various characteristics that make it suitable for certain applications.

The 381LQ682M050H052 is a high value, low impedance, radial leaded capacitor. It has a working voltage of 25V, a rated ripple current of 381mA (at 130 degrees Celsius, at a ripple frequency of 120Hz) and an inherent temperature rise coefficient of 0.1 degrees Celsius for every micro-farad of capacitance. Additionally, it has a max operating temperature of 250 degrees Celsius, and a rated life of 5000 hours at 125 degrees Celsius.

The working principle of radial leaded capacitors is essentially the same as all types of capacitors; these use the electrical action of two parallel plates, between which a dielectric material (usually aluminum oxide) is placed to permit the flow of electricity. When a voltage is applied to the capacitor, an electric field is created across it and electrons are stored in the plates. This gives the capacitor its capacitance value, which is measured in Farads. The advantage of aluminum electrolytic capacitors is that they have up to 10,000 times greater capacitance than equivalent ceramic capacitors.

Due to their high capacitance and low electrical leakage, aluminum electrolytic capacitors are commonly used in power supplies, output filters, bypass capacitors, timing circuits, and high frequency filters. The 381LQ682M050H052 part number is specifically used in consumer electronics, where its combination of high capacitance, low leakage, and low impedance make it extremely useful for signal filtering. This part is also popular for loop compensation in switched mode power supplies.

Even though larger aluminum electrolytic capacitors may have a lifetime of 1000+ hours, the 381LQ682M050H052 offers a rated life of 5,000 hours at 125 degrees Celsius. This is more than enough time for most consumer applications, making it a versatile part number, especially in portable devices.

To conclude, the 381LQ682M050H052 is a specific type of aluminum electrolytic capacitor that offers high capacitance, low impedance, and long life. It is primarily used in consumer electronics, power supplies, high-frequency filters, and switched mode power supplies, for signal filtering and loop compensation. It is a low cost, reliable solution for applications requiring large amounts of capacitance and minimal leakage.

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