T491B105M035ZTZV99

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Introduction to Tantalum Capacitors

Tantalum capacitors are electronic components typically composed of a pellet of tantalum metal as one of the electrodes, a dielectric oxide layer formed on it, and an external electrical connection to the other electrode, usually the positive or the ground. A wide variety of sizes and capacitance ratings are available, providing a broad range of applications. The most common form of tantalum capacitor is the radial leaded type, and they are extensively used in high-reliability applications, such as aerospace and military, as well as consumer and automotive electronics.

T491B105M035ZTZV99 Application Field and Working Principle

The T491B105M035ZTZV99 is a radial leaded packed tantalum capacitor, which is included in the series of SMD (surface mount device) tantalums. It has a relatively large capacitance value of 10µF, a working voltage of 35 V, and a maximum operating temperature of 125°C.

The primary application fields for T491B105M035ZTZV99 capacitors are in filters and power supplies, including switching and linear. This is due to the low effective series resistance (ESR) and the low inductance of SMD tantalums, which enables them to suppress noise and reduce inrush current. They are also used in high-frequency circuits, computer motherboards, cell phones, military and avionic applications, and the automotive industry.

In terms of the working principle, T491B105M035ZTZV99 capacitors consist of two one electrical conductors that are separated by a dielectric material. When a voltage is applied to the capacitor, it creates an electric field in the dielectric, causing it to store electrical energy. When the voltage is reversed, the electric field collapses, and the stored energy is released. This cycle is repeated over and over, allowing for precise timing and control of electrical signals.

Conclusion

In conclusion, T491B105M035ZTZV99 capacitors are a type of SMD tantalum capacitor that has a multitude of applications. Their low ESR and low inductance make them suitable for high-frequency circuits and filters, and they are commonly used in automotive and military as well as consumer electronics. The working principle of these capacitors is based on an electric field created in the dielectric material, which allows them to store and release energy.

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