M39003/01-8243/HSD

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Tantalum Capacitors

Tantalum capacitors are a type of electrolytic capacitor that has a tantalum metal as its anode and as its cathode metal has oxide which forms part of the dielectric layer between the electrodes. The tantalum electrolytic capacitor provides a larger capacitance-voltage product than either aluminum or film capacitor. This is because of its greater dielectric constant and low leakage in comparison to other types of capacitors. Due to this, tantalum capacitors are used in many high frequency and high temperature applications.

M39003/01-8243/HSD Application Field and Working Principle

The M39003/01-8243/HSD is a radial tantalum capacitor, with a capacitance of 330µF and a working voltage of 25V. It is a surface mount device, meaning it can be installed directly onto a circuit board. The capacitor is made of Tantalum metal, with an electrolyte of aqueous or non-aqueous Liquid electrolyte. As the capacitor is a polarized device, it is important to observe the correct polarity when connecting the capacitor into the circuit, as reverse polarity will cause permanent damage. The capacitor acts as a reservoir for electrical charge, and is used in many digital circuits as it has features such as low ESR (Equivalent Series Resistance) and low DF (Dissipation Factor).

The M39003/01-8243/HSD is a surface mount device, meaning that it is generally used in smaller circuits with limited space. Due to its low ESR and DF, as well as its large capacitance, it is suitable for applications such as oscillators, timing circuits, filters, and energy storage. It is suitable for operating temperatures of between – 55°C to 125°C. The temperature stability of the capacitor is also good, providing a drift of 0.1 % maximum/1,000 hours at rated voltage and temperature.

When the M39003/01-8243/HSD voltage is applied to the terminals, a small amount of current will flow through the capacitor, which will cause an electrostatic charge to be built up. This charge is stored between the electrodes, and can be discharged when the voltage is removed. This charge is proportional to the amount of current supplied, and as such the capacitor acts as a reservoir for electrical charge. As the capacitor can store current, it can act as an AC filter, a voltage regulator, or as an energy storage device.

The electrolytic nature of the capacitor also allows it to act as an RC circuit, where the component acts as a time-delay device. This is due to the fact that the charge build up across the terminals must first be allowed to decay before the circuit can be reset again. This is useful for applications where time delays are required such as timers, delayed-start circuits, or pulse-width modulation circuits.

The M39003/01-8243/HSD also has a high dielectric strength, with a maximum working voltage of 25V, and a rated surge voltage of 28V. This means that the capacitor is suitable for use in circuits with high voltage signals, such as power supplies, switch mode power supplies, and high voltage inverters. The capacitor also has an insulation resistance of at least 100MΩ, which ensures that the device is electrically isolated from the circuit board and other components.

The M39003/01-8243/HSD offers a range of features and applications, making it a suitable device for many digital and high voltage circuits. Its surface mount design makes it ideal for circuits with limited space, while its high dielectric strength makes it suitable for high voltage and high frequency applications. With its low ESR and DF, as well as its large capacitance, it is suitable for a range of applications such as energy storage, oscillators, timing circuits, filters, and voltage regulators.

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