M39003/09-0378

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Tantalum capacitors, also known as tantalum electrolytic capacitors, are one of the most popular type of surface-mount capacitors. They are typically used in low-impedance applications in which the capacitor’s small footprint (about half that of an aluminized tantalum capacitor of the same capacitance) and very low ESL make it ideal for miniature, high speed, and low-impedance circuit designs. The M39003/09-0378 tantalum capacitor is a type of surface-mount two-terminal capacitor that can offer very high capacitance values, making it an ideal choice for power-saving applications and power management ICs.

Unlike most standard oxide-electrolyte capacitors, the M39003/09-0378 tantalum capacitor has a third terminal on the top of the capacitor body. This third terminal is known as the "read terminal" and is used to read the voltage between the positive and negative capacitance plates. By doing this, engineers are able to detect any variation in capacitance, which can help to identify potential issues related to the capacitor and take action to remedy them.

The M39003/09-0378 application field is primarily used in power management and power-saving applications. This capacitor is well-suited for use in high reliability low-voltage applications, such as in automotive and aerospace applications. It can also be used in military and communication equipment, where its high capacitance and low impedance make it the ideal choice.

The working principle of the M39003/09-0378 tantalum capacitor is the same as that of any other capacitor. When a voltage is applied across the terminals, an electric field is created in the space between the plates, which in turn creates an electric charge. This electric charge increases and decreases as the voltage across the capacitors increases and decreases, respectively. The charge stored on the capacitor is proportional to the applied voltage, thus allowing for electrical energy to be stored on the capacitor for later use.

The M39003/09-0378 tantalum capacitor provides excellent reliability, low cost, and very low leakage current, making it a popular capacitor choice among engineers. Its small physical size makes it ideal for use in high-reliability, miniature, and low-voltage applications, and its high capacitance values and low ESR make it the perfect choice for power management applications.

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