M39003/09-0248/TR

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Tantalum Capacitors - M39003/09-0248/TR application field and working principle

Tantalum capacitors are a significant component of modern electronic circuitry, with a wide variety of applications ranging from timing and power management in consumer electronics, to signal conditioning and power filtering in industrial electronics. The M39003/09-0248/TR is a very reliable and popular option for a wide range of applications.

Tantalum capacitors consist of an electrolytic capacitor, which is made of a tantalum metal anode and a manganese dioxide cathode. The capacitor is then filled with an electrolyte that serves as a charge transfer medium. The M39003/09-0248/TR has a low-DF (dielectric absorption) and high-CV (capacitance to voltage) ratio, which makes it suitable for high-performance application fields such as dc-dc converters, power supplies, or signal buffering.

Working Principle

When a voltage is applied across the component, an electric field is created and negative charges (electrons) are attracted to the positive plate. The electrons on the negative plate are then attracted towards the negative plate. This results in a storage of charge between the anode and the cathode, which creates a capacitance that weakens with increasing frequency. As the voltage on the negative plate increases, the increase in the electric field further affects the distribution of electrons, resulting in an increase in the capacitance. This cycle continues until the voltage reaches a specific level, resulting in a stable capacitance.

The M39003/09-0248/TR\'s working voltage can be between 6.3V and 25V, and capacitance values range from 10uf to 47uf. The device has a dissipation factor of 0.07% at 120Hz, and can handle ripple currents up to 10A. It has a high-temperature tolerance of up to +125 °C and an operating temperature range of -55°C to +125°C.

Applications of M39003/09-0248/TR

Tantalum capacitors are used in a variety of applications, such as timing and power management in consumer electronics, signal conditioning and power filtering in industrial electronics. The M39003/09-0248/TR is a reliable option for these applications due to its high-temperature tolerance and high-ripple current handling capabilities.

The M39003/09-0248/TR is commonly used in power supplies, signal buffering, dc-dc converters, and other high-performance applications. It can also be used in circuits that require high-stability capacitors, such as switching regulators, power amplifiers, and clocks. Its low-DF and high-CV ratio makes it ideal for high-frequency applications such as RF filters, digital audio filtering, and RF antennas.

Tantalum capacitors are also an advantageous component to use in low-power, high-noise applications such as those encountered in telecom, consumer, and automotive systems. The M39003/09-0248/TR\'s low equivalent series resistance (ESR) makes it suitable for use in these applications, as it reduces the peak voltage drop across the capacitor and improves power supply regulation. Additionally, its low-DF and high-CV ratio decreases input and output noise levels and improves signal integrity.

Conclusion

The M39003/09-0248/TR is a reliable, high-performance tantalum capacitor with a wide range of applications in both consumer and industrial electronics. It provides good capacitance stability over temperature variations and high-ripple current handling capability. Its low ESR, low-DF, and high-CV ratio make it suitable for high-frequency, low-power, and high-noise applications, making it one of the most popular options for electronic component designers.

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