199D685X9035D7B1

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Tantalum capacitors are capacitors that use tantalum for the electrode material. These capacitors can be found in a variety of electronic components, including motor drives, cell phone chips, analog applications, and other various high-performance semiconductor applications. The part number 199D685X9035D7B1 is specific to a tantalum capacitor.

What is a Tantalum Capacitor?

A tantalum capacitor is an electrolytic capacitor constructed of tantalum metal, which provides high capacitance values with very low equivalent series resistance (ESR). The tantalum capacitor provides a much smaller form factor than its aluminum electrolytic counterpart, which makes it desirable for cellular and computer applications that require miniature components. Tantalum capacitors are also known for their stability and reliability, giving them a long life and lower cost of ownership.

Application Field of Tantalum Capacitor 1999D685X9035D7B1

The 1999D685X9035D7B1 is a type of tantalum capacitor developed for low voltage and high temperature applications. This device can withstand voltages up to 8V, and temperatures ranging from -55°C to +125°C. It also has a very low ESR, excellent frequency response characteristics, and a high SRF (Self-Resonant Frequency). These characteristics make it suitable for use in a wide range of applications, including power supplies, battery operated electronics, and power conditioners.

Working Principle of Tantalum Capacitor 1999D685X9035D7B1

Tantalum capacitors are polarised electrolytic capacitors, which means that they have a positive and negative terminal. The positive terminal is connected to the anode (foil) and the negative terminal is connected to the cathode (electrolytic material). When a voltage is applied to the terminals, the anode and cathode become charged, creating a charge imbalance and an electric field. This electric field attracts positive and negative charges, creating a circuit between the two terminals. This electric field is known as the equivalent series resistance (ESR).

The 1999D685X9035D7B1 also utilises a solid electrolyte, which is a thin sheet of dielectric material that is sandwiched between the anode and cathode. This dielectric material does not allow charges to move through it and prevents the capacitor from short circuiting. This solid electrolyte also gives the capacitor a high self-resonant frequency, meaning that it can handle higher frequencies with less noise and distortion. This makes it especially suitable for use in AC line filtering circuits.

Conclusion

The 1999D685X9035D7B1 is a type of tantalum capacitor designed for a variety of low voltage, high temperature applications. It has a low ESR and high SRF, making it suitable for use in power supplies, battery operated electronics and power conditioners. Its solid electrolyte prevents it from short-circuiting and helps it maintain its high frequency characteristics. As such, tantalum capacitors are a dependable and reliable choice for many electronic applications.

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