M39003/03-0215

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Tantalum capacitors are electrical components that are often used to store electrical energy. They are designed to provide a relatively large amount of energy for a given volume and weight, making them ideal for use in power supply applications where space and weight are a concern. The M39003/03-0215 is a specific model from the M39003 Series of tantalum capacitors manufactured by Vishay.

Construction

The M39003/03-0215 is a molded tantalum chip capacitor constructed from manganese dioxide, a solid electrolyte, two conductive metal electrodes with a metal coating on the surface, and a hermetic seal. This type of chip capacitor has an anode, cathode, and positive terminals. Leads are connected to the terminals, allowing for connection to a circuit. The cathode lead is marked with a stripe to indicate polarity.

Applications

The M39003/03-0215 is used in a variety of applications due to its design characteristics. Its high capacitance per unit volume makes it suitable for power supplies, as well as in signal conditioning and filtering. Its small size and leadless construction make it ideal for applications with limited space, such as in portable electronic equipment and automotive applications. It can also be used as a decoupling capacitor for DC power supplies, and can also be used in high frequency and low-loss signal applications.

Working Principle

The M39003/03-0215 works on the principle of charge storage. Its electrodes are made of two different types of metal, and an oxide layer is formed between them. When voltage is applied across these two electrodes, a potential difference builds up and electrons start flowing. This flow of electrons carries energy that is stored in the capacitor. The amount of charge that can be stored depends on the size of the capacitor and the voltage applied across its electrodes. The capacitor will then discharge the stored energy when the voltage is removed.

Capacitance Characteristics

The M39003/03-0215 features high capacitance values of up to 10µF within a relatively small physical size. This makes it ideal for applications that require high capacitance values but limited space. It is also designed with a low temperature coefficient of capacitance and high pulse load capacitance characteristics, making it suitable for use in many high-power applications.

Conclusion

The M39003/03-0215 is a high-performance tantalum capacitor designed for use in a wide range of applications, such as power supplies, signal conditioning, signal filtering, and DC power supply decoupling. Its small size and high capacitance make it ideal for many space-restricted applications. Additionally, it is designed with high pulse load capacitance characteristics, making it suitable for use in high-power applications. By understanding its construction, application, and working principle, designers can make full use of this component, ensuring maximum performance and reliability.

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