TM3B476K6R3CBA

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Tantalum capacitors are a type of electrolytic capacitor and fall under the category of board-level surface-mount components known as capacitors. A tantalum capacitor is constructed of a pellet of tantalum metal that serves as an anode, coated with an insulating oxide layer that forms its dielectric, and encased in a metal can or plastic molding used as a cathode.

A TM3B476K6R3CBA tantalum capacitor is constructed with a tantalum bead coated with an oxide dielectric, with a nickel-plated solid tantalum end cap and sealed with a phenolic resin. The nominal capacitance and voltage rating of the TM3B476K6R3CBA is 4.7 μF, 6.3v and it is polarized. This capacitor has a lowESL, low self-inductance, a low ESR, good performance in high frequency applications, and good ripple current handling.

The TM3B476K6R3CBA application field includes intelligent control and digital wireless transceivers, automotive control, automotive warning system, digital mesh communication, and peripheral circuits of digital products. It is ideal as a power supply filter in a high-frequency power circuit.

The working principle of a tantalum capacitor is the same as that of other electrolytic capacitors; however, tantalum capacitors have the advantage of having a much smaller leakage current than aluminum electrolytic capacitors, making them particularly useful for situations where low power consumption and long capacitor life are critical. When a voltage is applied, electrons from the anode are repelled and move to the cathode, filling the dielectric with electrons. As the electrons enter the dielectric, the capacitor charges until both plates have equal potential and the current ceases. When the voltage is removed, the stored energy is released until the maximum rated voltage.

Tantalum capacitors are highly stable, able to withstand temperature and voltage fluctuations. In addition, they are less susceptible to electrolytic corrosion, and they have extremely reliable long-term reliability and capacitance performance. With its small size and high capacity, the TM3B476K6R3CBA is an ideal choice for applications where a small, highly-reliable and long-lasting capacitor is needed.

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