199D475X9035C2B1E3

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Tantalum capacitors are widely used in electronics, providing high energy density and reliable performance. The numerical marking of a tantalum capacitor, such as 199D475X9035C2B1E3, denotes its properties, including its size, capacitance, rated voltage, and tolerance. This article will discuss the application field and working principle of this particularparticular capacitor.

Tantalum Capacitors in Electronics

Tantalum capacitors are highly popular in electronics, since they are widely available, relatively inexpensive, lightweight and compact. Due to their particular composition, they offer a wide range of capacitance, voltage and leakage values. Typical applications of tantalum capacitors include power supplies, decoupling circuits, filters and timing circuits.

199D475X9035C2B1E3 Application

The numerical marking of a tantalum capacitor denotes its size, capacitance, rated voltage and tolerance. For example, the capacitor with numerical marking 199D475X9035C2B1E3 can be broken down into the following components:

• 199D: Indicates the technical standard that the capacitor meets.
• 475: Specifies the size of the capacitor.
• X9035: Specifies the capacitance and voltage rating.
• C2B1E3: Indicates the tolerance.

The 199D475X9035C2B1E3 capacitor is a two-pin radial leaded tantalum electrolytic capacitor, with a capacitance of 4.7 µF and a rated voltage of 10 V. This capacitor is suitable for use in low-noise power supplies, as well as in circuits that require low impedance, low ESR and high ripple current.

Working Principle of Tantalum Capacitors

Tantalum capacitors are constructed from a tantalum pentoxide dielectric, or insulating layer, sandwiched between two metallic plates, or electrodes. When a voltage is applied across the electrodes, a current passes through the dielectric layer. The resulting electric field polarizes the dielectric layer and creates a charge, which stores electrical energy. When AC or pulse waveforms are applied, the capacitor stores energy as long as the applied voltage is greater than its leakage current.

The major benefit of tantalum capacitors is their relatively high energy density and low parasitic inductance, which makes them ideal for power system design and energy management. The electrolyte used to form the dielectric layer is also corrosion resistant, so the capacitor can operate stably in harsh environments.

Conclusion

The 199D475X9035C2B1E3 capacitor is a two-pin radial leaded tantalum electrolytic capacitor, with a capacitance of 4.7 µF and a rated voltage of 10 V. This capacitor is designed for use in low-noise power supplies, and other applications that require low impedance, low ESR, and high ripple current. The capacitor also has excellent corrosion resistance, allowing it to operate stably in harsh environments. Overall, tantalum capacitors provide reliable performance, wide range of voltage and capacitance values, and provide high energy density.

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