TR3C685K035C0475 Capacitors

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Introduction

Tantalum capacitors are widely used in electronics for signal filtering, energy storage and power supply. Their solid electrolyte construction make them significantly more reliable than electrolytic or ceramic capacitors, and their low profile and high capacitance make them ideal for applications requiring high density. The TR3C685K035C0475 is a surface mount chip tantalum capacitor designed for applications with high reliability requirements.

Application Field

The TR3C685K035C0475 is a low-profile, high-capacitance surface mount component designed for use in a wide range of applications in both portable electronics and industrial settings. In particular, the component is suitable for use in high reliability applications where a minimized space envelope is needed. This includes military, aerospace, and medical applications, as well as radio communication systems and power supplies.

The component is rated for voltages up to 35 volts and capacitances up to 6.85 microfarads. It is also rated for high-temperature operation; up to 125°C for some versions. These features make the component suitable for high power applications where temperature and voltage are of concern. It is also suitable for vibration-resistant applications such as those found in automobiles, space applications, and machinery.

Working Principle

The TR3C685K035C0475 is a surface mount chip tantalum capacitor. As with all tantalum capacitors, the component works on the principle of using a columbic potential to cause ions to move between an anode and cathode. The electrolyte acts as a medium for the ions to travel through and the resulting electrolytic action creates a capacitance. In the TR3C685K035C0475, the capacitance is achieved through the use of solid electrolyte construction, which makes the component extremely reliable and resistant to failure.

The capacitance of the component is determined by the area of the capacitor plates as well as the distance between them, and this can be adjusted by changing the voltages applied to the terminals. The maximum voltage that can be applied to the component is 35 volts and the maximum capacitance achievable is 6.85 microfarads. One other important factor to consider is that the component is polarized, thus a positive and negative voltage must be applied to the terminals in the correct order.

The temperature of the component also affects its performance. While the component is rated for operation up to 125°C, extreme temperatures can still cause reduced reliability. Heat is also generated during charging and discharging of the capacitor, so it’s important to ensure that the component and its surroundings are properly cooled. Additionally, a lower maximum voltage should be used for ambient temperatures above 70°C.

Finally, the component has a wide capacitance tolerance (as low as 2%) and is rated for low impedance (as low as 6 mΩ). These features ensure that the component is suitable for applications requiring high precision and accuracy.

Conclusion

The TR3C685K035C0475 is a low-profile, high-capacitance surface mount component designed for applications requiring high reliability and accuracy. Its solid electrolyte construction provides excellent reliability while its wide capacitance tolerance and low impedance ratings ensure suitable performance in more demanding applications. The component is suitable for voltages up to 35 volts and is rated for ambient temperatures up to 125°C.

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