195D104X0050A2T

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Tantalum Capacitors

Tantalum capacitors are electronics components that are used in a variety of applications due to their size, performance and reliability. They are non-polarized capacitors like ceramic capacitors, and they use a layer of tantalum pentoxide as the dielectric. This type of capacitor is also known as a polymer capacitor, as the tantalum pentoxide used is a form of polymer.

Tantalum capacitors provide greater capacitance when compared to ceramic capacitors and electrolytic capacitors, but with smaller physical dimensions. This makes them a very popular choice for the construction of miniaturized electronic devices such as mobile phones and laptop computers. They also offer lower equivalent series resistance (ESR) than other capacitors and they have better temperature stability.

The item code 195D104X0050A2T represents the specification of a tantalum capacitor. The first three alphabetic characters signify the manufacturer of the component, which in this case is Vishay. The 195 refers to the size of the component in tenths of an inch, which is 19.5mm, and the component is a standard axial lead tantalum capacitor. The remaining number represent the capacitance in microFarads, tolerance and voltage ratings.

Working Principle

Tantalum capacitors work in a similar manner to electrolytic capacitors, by utilizing the dielectric material to store electrical charge. The component will contain two electrical plates separated by the dielectric material. When a voltage is applied across these two plates, the dielectric material will become polarized, allowing charge to move between the plates. This will cause an opposing voltage to be created across the dielectric, which will act as a barrier to electric current, thereby storing charge or energy.

Application Field

Tantalum capacitors are very popular in the electronics industry due to their size, performance and reliability. They are typically used as part of a frequency-compensation or filtering circuit, or to store charge or energy. The small size of tantalum capacitors makes them ideal for use in miniaturized electronic devices such as mobile phones and laptop computers.

Tantalum capacitors are very popular for use in audio equipment, as their small size allows them to be used in locations where conventional capacitors would be too large to fit. They are also used for power filtering and for blocking direct current (DC) from interfering with an audio signal. This prevents high-frequency AC signals from reaching the audio power amplifier, and ensures that LF distortion is minimized.

Tantalum capacitors are also popular for use in power supplies. Their low ESR rating allows them to maintain voltage levels at a steady value, which prevents power ripples or spikes from occurring. They are also used to start up or boost a power supply, and to level out slow transients in a circuit.

Tantalum capacitors are also popular for use in a wide variety of industrial and automotive applications. They can be used to create high-frequency modulators, to filter out high frequencies in motor drives and power systems, and for coupling and decoupling signals. They can also be used for resonance suppression, for controlling noise voltage and surge currents, and for power line protection.

Overall, tantalum capacitors are a very versatile electronic component and can be used in a wide variety of applications. Their size, performance and reliability make them an ideal choice for use in miniaturized electronic devices, audio equipment, power supplies, and a range of industrial and automotive applications.

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