M39003/03-4042/TR

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Tantalum Capacitors

Tantalum capacitors are components used to store electrical energy and these have a variety of applications. This article will discuss the application field and working principle of M39003/03-4042/TR.

Construction and Working Principle

M39003/03-4042/TR is constructed using a small ceramic housing with an anode and a cathode mounted on it. The anode is made of a tantalum Powder, which is then sintered into a solid mass. The cathode is a solid metal electrode, typically made of nickel. The two electrodes are connected on the inside of the housing by a conductive epoxy-resin compound. This is what gives the tantalum capacitor its namesake “capacitance” – a measure of its ability to store electrical energy.

The electrical field established between the anode and cathode is what causes the capacitor to store electrical energy. In this application, the electrical field applies an electric current to the anode which, in turn, causes electrons to flow into the epoxy-resin compound and thus, the transfer of electrical energy from the anode to the epoxy-resin compound.

The epoxy-resin compound dissipates the electrical energy and the amount of electrical charge transferred to the capacitor is determined by the size of the capacitor and its corresponding resistance, often referred to as the “capacitance”. The higher the capacitance, the greater the amount of electrical energy can be stored.

Applications

M39003/03-4042/TR capacitors are used in many applications including power supplies, audio equipment, automotive electronics, computers, and cell phones. They are used to reduce electrical noise, regulator electrical current, and to provide a stable electrical current. As their capacitance is relatively high for such small sizes, they are often used for projects where space is at a premium. Additionally, due to their high capacitance and low ESR, they provide excellent filtering effects in power circuit, which can stabilize the system voltage.

In addition to their applications related to power related circuitry, tantalum capacitors can also be used in digital circuitry where they provide excellent filtering. This is because of their comparatively low ESR. Moreover, they are also often used in bypass circuit, due to their ability to store electrical charge for short periods of time. This provides a quick signal path to ground for any spikes or transients that may occur.

Conclusion

In conclusion, M39003/03-4042/TR capacitors are widely used for power related circuitry as well as for digital and bypass type circuits. Their main feature is their ability to store electrical energy, and they provide excellent filtering effects in power and digital circuitry. They are often used in applications where space is at a premium, and they provide good performance at low temperatures. Finally, the amount of electrical charge stored by these capacitors depends on their size and the corresponding resistance, often referred to as the “capacitance.”

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