M39003/03-2070/TR

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Tantalum capacitors are perhaps one of the most common electronic components available in the market, used for a wide range of applications such as filters, decoupling, and by-passing. M39003/03-2070/TR is one such type of tantalum capacitor, designed for use in high-reliability military and aerospace applications. In this article, we will take a look at the application field and working principle of this tantalum capacitor.

Application Field

M39003/03-2070/TR can be used in different applications involving large swings of voltage and current, particularly in airborne and surface mount applications. Its ultra-small design makes it suitable for high-density PCBs, where space is of the essence.

The integral NTC thermistor element also extends the life and reliability of the capacitor. It offers a simple and easy way to protect the capacitor from voltage and current surges that might otherwise damage it. With its 96%-99.9% voltage rating, M39003/03-2070/TR is able to provide stable power even in strenuous conditions. Moreover, the device can withstand high operating temperatures, with a storage temperature up to 125℃.

Likewise, the capacitor is able to run on low ESR, up to 10K volts. This ensures that it is able to handle fluctuating currents without being adversely affected. In this way, it can guarantee stable power supply even during high power usage.

Working Principle

Tantalum capacitors are polarized capacitors that use an inert, chemical oxide layer, composed mainly of tantalum, to store charge. When an input voltage is applied, the oxide layer is charged and attracts positive ions to one side and negative ions to the other.

The NTC thermistor is actually a resistor whose resistance changes significantly in response to changes in temperature. It is wired in series with the capacitor such that it reduces or increases the current when the temperature rises or falls, respectively. This ensures that the storage capacity of the capacitor is maximized and it also helps in protecting the device from over-voltage.

That being said, M39003/03-2070/TR is designed with defense applications and critical military electronics in mind. It is designed with a high-reliability construction, offering superior performance even when subject to extreme environmental conditions. Additionally, it is able to handle high-density mounting, making it ideal for applications that require significant power consumption.

Conclusion

To conclude, M39003/03-2070/TR is a special type of tantalum capacitor, designed for use in high-reliability military and aerospace applications. It offers a great combination of features that make it highly suitable for power supply and voltage stabilization especially in challenging situations. Furthermore, its construction also ensures that it can handle large swings of voltage and current, thus making it ideal for use in high-density applications.

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