T491B224K050AT7280

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Tantalum capacitors have become a common component in the electronics industry, due to their robustness, low leakage, and wide range of applications. The T491B224K050AT7280 is a type of surface mount tantalum capacitor from Murata that provides excellent low-leakage performance, high dielectric strength, and a wide range of operating temperatures.

T491B224K050AT7280 are typically used for bypass and decoupling applications, meaning they are used to suppress high-frequency fluctuations in power supplies and maintain a constant voltage level. A typical device will have a rated capacitance of around 0.22 µF, and due to its low-leakage design will maintain a stable voltage level of around 47 to 50 volts.

The working principle of the T491B224K050AT7280 is based on the principle of double-layer capacitance, or electrochemical capacitance. This type of capacitance forms a barrier between two electrodes, allowing for an increased capacitance within the device. The two electrodes are made of tantalum, a rare and highly conductive metal. The use of this metal for both the anode and cathode allows for a high level of stability and reliability.

The physical construction of the T491B224K050AT7280 consists of a ceramic chip fitted with two tantalum electrodes. The electrodes are embedded in a dielectric, usually polypropylene, which is in turn surrounded by an epoxy and topcoat. The topcoat provides protection against any external noise that might otherwise interfere with the capacitor’s performance.

The T491B224K050AT7280 can be used in a variety of different applications, including power supplies, DC-DC converters, and signal filtering. The device is capable of handling a wide range of temperatures, making it well-suited for applications in both high and low temperature environments. The device is also highly resistant to vibration and shock, making it ideal for use in shock-sensitive or military-grade applications.

Overall, the T491B224K050AT7280 is a robust and reliable capacitor with a wide range of attractive features. It is capable of providing a stable voltage level, supporting a wide range of temperatures, and being highly resistant to shock and vibration. This makes it an ideal choice for a variety of different applications, from power supplies to signal filtering.

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