M39003/03-0368

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Tantalum capacitors are electrical components used in a variety of applications to store electrical charge. The M39003/03-0368 is a particular type of tantalum capacitor that is used in aerospace, military, and commercial applications. This type of capacitor is characterized by its high capacitance values, long working life, and low ESR (equivalent series resistance) and ESL (equivalent series inductance) characteristics. This article will explore the application field and working principle of the M39003/03-0368.

Application Field

The M39003/03-0368 is a popular choice for applications in aerospace, military, and commercial applications. In aerospace applications, the component is used in pulseforming networks, couplers, motor starters, and antennas. When deployed in these applications, they help mitigate errors caused by voltage transients. Military applications include missiles, military planes and tanks, where the component helps with signal conditioning, waveforms, and power supply filtering.

In commercial applications, the component is used in a variety of consumer electronics devices. These include cellphones, laptops, tablets, cameras, medical equipment, high-end digital electronics, and audio/visual equipment. The component is also employed extensively in industrial applications such as automotive, heating and cooling, UPS systems, lighting, motor controllers, and robotics.

Working Principle

At the core of every capacitor is a pair of metallic plates that are electrically insulated from each other but can exchange electrical charge. A tantalum capacitor consists of two sheets of tantalum foil that are insulated from each other using dielectric oxide. The M39003/03-0368 uses a solid manganese dioxide electrolyte, which may or may not contain trace elements. When a voltage is applied across the plates, an electrical charge accumulates as the ions of the electrolyte are attracted to the plate of opposite charge.

The M39003/03-0368 has some key advantages over other capacitors such as electrolytic or ceramic capacitors. The tantalum capacitor has a higher energy density, which means that the same capacitance value can be achieved using a much smaller component. It also has a higher dielectric constant, allowing for higher voltage ratings at lower capacitance values. Additionally, it has excellent self-healing properties, meaning that if a short circuit occurs, it will immediately be rectified.

In terms of shortcomings, the M39003/03-0368 does have limited capacitance values as low as 300uF. Additionally, it is also subject to reverse voltage protection, meaning it will not function properly if reverse biased. Lastly, its solid manganese dioxide electrolyte is subject to aging, meaning it can lose its capacitance as it is used over time.

Conclusion

The M39003/03-0368 is a type of solid tantalum capacitor that is used in a variety of aerospace, military, and commercial applications. The component has a high capacitance value and excellent ESR and ESL characteristics. Additionally, it has a high dielectric constant and excellent self-healing properties. However, it has limited capacitance values and can be subject to reverse voltage protection and aging.

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