M551B398M015AG

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Tantalum-polymer capacitors provide unprecedented miniaturization, excellent reliability and shock resistance for all sorts of applications, from consumer electronics to automotive sensors, computers, and medical devices. The M551B398M015AG combines multiple features that expand the range of tantalum-polymer applications and make them ideal for high-reliability military and aerospace applications. In this article, we will look at the application field and working principle of M551B398M015AG, and discuss why it is an outstanding choice for avionics, satellite electronics, and other crucial, environment-dependent functions.

Application Field of M551B398M015AG

M551B398M015AG is a high-reliability Tantalum-Polymer Capacitor with a maximum operating voltages of 8 V and a high temperature range of -55°C to +125°C. It is a surface-mount device that is intended for use in high-reliability systems. The capacitance is 0.3 uF, the capacitance tolerance is 10% and the ESR is 9 ohms.

The M551B398M015AG is designed for use in aerospace and military applications, as well as other high-reliability systems that require extreme temperatures and vibrations. It has a longer life expectancy at higher temperatures, making it well-suited for avionics and satellites, where temperature is typically as high as 85°C. The capacitor also has excellent high frequency noise suppression characteristics and is EMI-compatible.

The M551B398M015AG is designed for harsh environment applications and is constructed of polymers with superior humidity and temperature resistance. It also has a hermetically sealed cap to protect it from moisture and contamination. The device is shock resistant and can withstand large mechanical stresses without suffering any damage.

Working Principle of M551B398M015AG

Tantalum-Polymer capacitors are formed when a polymer dielectric layer is sandwiched between two sheets of tantalum electrodes. The electrodes are separated by this dielectric layer, and a gap between the two electrodes is filled with electrolyte. When a voltage is applied to the capacitor, an electric field develops, causing electrons to flow between the two electrodes, forming an electric current.

The M551B398M015AG features a low ESR (Equivalent Series Resistance), which is an indication of how much resistance the capacitor has to current flow. The lower the ESR, the better the capacitor is at handling current surges. This makes the M551B398M015AG an ideal choice for applications that require a low voltage capacitor with a low ESR value, such as avionics and satellite electronics.

The M551B398M015AG also features an internal leakage current mechanism which is used to ensure that the capacitor is functioning properly. This protects against over-voltage conditions, and helps to ensure that the capacitor is not damaged during operation. This is extremely important in applications that require high reliability, as it ensures that the component will continue to work properly even after exposure to high temperatures.

Conclusion

The M551B398M015AG is an exceptional choice for applications where high reliability, miniaturization and shock resistance are required. Its unique combination of features makes it ideal for high-reliability military and aerospace applications, as well as avionics, satellite electronics, and other crucial, environment-dependent functions. Its low ESR and high temperature range make it well-suited for a variety of applications, and its hermetically sealed cap protects it from moisture and contamination. The M551B398M015AG is a reliable, miniature tantalum-polymer capacitor, and is an excellent choice for use in critical electronic components.

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