TPSV686K025R0080 Capacitors

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Tantalum capacitors are among the most popular of capacitor types due to their low ESR (Equivalent Series Resistance), wide temperature ranges and long life. The TPSV686K025R0080 is a surface-mount tantalum capacitor with a working voltage of 6.3V and a capacitance of 1500µF. It is designed to operate in temperatures of -55°C to 105°C and is capable of withstanding voltage spikes up to 20V.

Application Field

Tantalum capacitors, such as the TPSV686K025R0080, are often used in high-frequency circuits, such as in AC/DC converters, switching power supplies, and audio or video amplifiers. They are also widely used in medical equipment and military applications due to their ability to withstand higher voltages and higher temperatures. The TPSV686K025R0080 is also suitable for industrial, transportation and automotive electronics as they can withstand vibration and shock, thus are popular in automotive electronics, high-speed railway and aviation applications.

Working Principle

Tantalum capacitors, like other capacitors, store electrical energy by using two electrically separated metal plates. The plates are placed close to each other but insulated with a dielectric material between them. This dielectric material is made up of either manganese oxide or tantalum oxide, which allows the capacitor to store more energy than traditional ceramic capacitors. When a DC voltage is applied across these plates, a charge builds up on each of the plates, creating an electric field. This electric field is what allows the capacitor to store and release electrical energy.

The TPSV686K025R0080 specifically uses an anode consisting of a sintered tantalum bead and a cathode of manganese dioxide. This specific design provides it with good capacitance characteristics and long working life, resulting in its extensive usage within different applications. Furthermore, the manganese dioxide acts as the barrier between the two plates, which prevents leakage or shorting of the capacitor, resulting in increased efficiency in applications that require significantly high ripple currents.

Conclusion

The TPSV686K025R0080 is a popular surface-mount tantalum capacitor with a capacitance of 1500µF and a working voltage of 6.3V. Its frequency characteristics and long working life make it ideal for use in a variety of applications, including high-frequency circuits, medical equipment, and automotive electronics. Its design includes an anode made up of a sintered tantalum bead and a cathode of manganese dioxide, allowing it to effectively store and release electrical energy. Overall, the TPSV686K025R0080 is a reliable, long-lasting capacitor that can be used in a multitude of different applications.

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