T495D157M010ATE100

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Tantalum capacitors are recognized for providing high capacitance values and robust performance in a variety of applications. The T495D157M010ATE100 is one such device, designed for low-leakage, high-temperature applications. In this article, we’ll discuss the application fields and working principle of this device.

Applications

The T495D157M010ATE100 finds its place in a unique application sector—it is a capacitor that is specifically designed to be used in demanding environments. This device is used in applications where high-temperature reliability, low leakage, and a corrosion-resistant exterior are required. Some common application areas include aerospace and industrial, where environments are very demanding and require reliable and durable components.

In terms of performance, the T495D157M010ATE100 offers high-temperature performance up to 125°C. This device is also resistant to electrical shock and vibration, making it perfect for use in dynamic manufacturing activities. Additionally, its incredibly low leakage (in the region of < 1uA) means it is ideal for applications with tight tolerance requirements.

Working Principle

The T495D157M010ATE100 utilizes a tantalum pentoxide dielectric to store an electrical charge. This dielectric material is then sandwiched between two aluminum electrodes, one being negative and the other being positive. These two electrodes enable the material to store an electrical charge; the higher the voltage, then the higher charge that can be retained.

When current is applied to the capacitor, electrons are then drawn to the negative electrode while the opposite electrode will be left with a slight positive charge. The dielectric material that is between the two electrodes ensures that the charge can be stored and becomes insulated, thus avoiding any short circuits.

The T495D157M010ATE100 is also designed to feature a conformal coating on the outside. This conformal coating is useful in providing an extra physical barrier that helps protect the capacitor against external elements that may have a detrimental effect, such as moisture or dust. This layer is applied after the device has been assembled.

Conclusion

The T495D157M010ATE100 is a robust device designed for use in high-temperature and demanding applications. Its low-leakage characteristics make it highly reliable, while the conformal coating ensures strong protection from hostile environmental factors. Furthermore, its use of tantalum pentoxide as a dielectric ensures that high levels of charge can be retained and insulated from electrical shocks and vibration.

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