TR3C475K050C1000

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Tantalum capacitors are an integral component used in many electronic devices and circuits. This type of capacitor is made up of a tantalum metal oxidized with a dielectric film. The capacitance of these capacitors ranges from 1µF to 1000µF and they have high ripple current capacity and long life. TR3C475K050C1000 is one such tantalum capacitor.

Application Field

TR3C475K050C1000 can be used in almost any application requiring a stable, high-voltage output. It is commonly used in consumer electronics including laptop computers and mobile phones, audio equipment, automotive instrumentation, power controllers and various types of circuit boards. Its high capacitance, low profile and its large size make it ideal for high power applications such as power supplies and battery chargers. Its performance also makes it suitable for low power applications such as low dropout regulators and voltage comparators.

Working Principle

Tantalum capacitors operate on the principle of capacitance. When a voltage is applied across the plates of the capacitor, an electric field is created between the plates. This electric field causes a displacement current (change of capacitance) to flow between the plates as the voltage applied changes. The amount of charge stored in the capacitor is proportional to the applied voltage and is determined by the equation:

C = Q / V
where C is the capacitance, Q is the amount of charge stored and V is the applied voltage.

The charge stored in the capacitor is gradually released as the polarity of the applied voltage is reversed, resulting in an anti-resonance or voltage-transfer characteristic. This response is known as “ripple current”, and is generally related to the size of the capacitor as well as the applied voltage. The larger the capacitor, the higher the ripple current capacity.

Capacitance value of the capacitor is highest when the voltage is lower. When the voltage increases, the capacitance decreases. It is important to ensure that the capacitor is not exposed to excessive voltage as it can cause damage and overheating. TR3C475K050C1000 tantalum capacitor is rated for a maximum voltage of 16V.

Conclusion

TR3C475K050C1000 is a reliable, high quality tantalum capacitor from the leading manufacturer, KEMET. It is an ideal choice for high power applications such as power supplies and battery chargers due to its large size, low profile and high capacitance. Its special dielectric film also ensures that it has good ripple current capacity and long life. This capacitor should be used with caution, as operating outside its specified voltage limits can cause damage and shorten its life.

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