M39003/01-2786/TR

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Tantalum Capacitors: M39003/01-2786/TR application field and working principle

Tantalum capacitors are an important type of surface-mount electronic capacitors used in electrical circuits of different devices. These capacitors are based on a chemical consisting of two metallic components: tantalum and an oxide, usually manganese dioxide. The tantalum part acts as an electrolyte and the oxide part acts as a dielectric.

The M39003/01-2786/TR is an extended temperature range version of the M39003/01-2786/Q series of tantalum capacitors. It features a unique set of characteristics, such as a higher capacitance value with even lower leakage, which make it extremely suitable for various specialized applications.

The M39003/01-2786/TR is generally used in high temperature, extended temperature and harsh environment applications such as automotive, medical and industrial electronics. It is able to operate reliably in temperatures up to +125°C and is specifically designed to meet the requirements associated with demanding specialty applications.

Working Principle

The M39003/01-2786/TR tantalum capacitor consists of a tantalum anode, a manganese dioxide dielectric, and a tantalum oxide cathode. The manganese dioxide dielectric layer acts as an electrical insulator, while the cathode is responsible for holding the electric charges. The anode and the cathode are connected to the circuit using two electrical leads.

When an electric current is applied to the circuit, the electric charges are stored on the surface of the anode, which is then known as the “space charge”. This charge creates an electrical field between the anode and the cathode and this is where most of the capacitance comes from. The electric field attracts electrons from the cathode to the anode and this is how the capacitor starts storing energy.

As the capacitor is used, the electric charges will be discharged into the circuit. The amount of charge that can be stored is determined by the capacitance, which is the ability of a capacitor to store energy. The capacitance of the M39003/01-2786/TR capacitor is higher than that of other capacitors, which makes it suitable for use in extreme environments.

Applications

The M39003/01-2786/TR tantalum capacitor is most commonly used in automotive electronics, medical electronics, and industrial electronics. It is also used in harsh environment applications, such as aerospace, military or off-road vehicles, as well as low-power electronics.

The M39003/01-2786/TR is particularly suitable for use in applications where low losses and a high capacitance are required, such as power management circuitry. It can also be used in timing circuits and power supplies, as well as application-specific circuits.

Due to its high capacitance and low losses, the M39003/01-2786/TR is a popular choice for applications that require stable, low-leakage power. It is also well-suited for power management in portable devices, where power requirements are constantly changing.

Conclusion

The M39003/01-2786/TR tantalum capacitor is an extended temperature range version of the M39003/01-2786/Q series of tantalum capacitors. This makes it suitable for a range of specialist and demanding applications, such as automotive, medical and industrial electronics, as well as harsh environment applications like aerospace, military and off-road vehicles. The M39003/01-2786/TR is also favored for its high capacitance and low losses, making it well-suited for power management, portable device applications and power supplies.

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