T97R476K035LSB

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Introduction

T97R476K035LSB is a surface mount tantalum capacitor, referring to the tantalum capacitors which are the most popular capacitors in the electronics industry. It is a non-polar, electrolytic capacitor with a dielectric of anodized tantalum. It is designed for high temperature applications with a maximum operating rating of 125°C. This class of capacitors provide reliable, long-term use in conditions where stability and quality are essential.

Application Fields

Tantalum capacitors are generally used in numerous consumer electronics such as radio communication devices, computers, cameras, GPS navigation systems and mobile phones. Used for power, low frequency noise filtering, DC-DC conversion and voltage ripple suppression, in industries such as medical, communication, aerospace and defense, automotive, etc. The T97R476K035LSB is also used in the military and aerospace for high quality voltage regulation, noise filtering, pulse shaping and power management.

Working Principle

At its core, the T97R476K035LSB is an electrolytic capacitor constructed by coating one side of a plate of sputtered conductive tantalum with a highly anodized dielectric oxide and an electrolyte solution on the other side. The anodized layer allows only electrons to pass through until it becomes saturated, forming a capacitor. The electrolyte solution allows current to flow from one side of the plate to the other, depending on the capacitance and the voltage applied.

When a voltage is applied across the terminals of the T97R476K035LSB, the electrical energy induces the opposite charge on each plate of the capacitor. This causes a dielectric polarization of the anodized layer which prevents further current flow. The capacitance of the T97R476K035LSB depends on the area of the plates, the distance between them and the dielectric constant of the electrolytic oxide layer.

Tantalum capacitors are capable of high-frequency operation and can be used as high-performance signal-filtering elements, power factor correction and pulse transformers. The temperature range of the device is typically -55°C to +125°C, with an operating range of -40°C to +85°C.

Conclusion

The T97R476K035LSB is suitable for a number of high temperature, industrial and military/aerospace applications. But when considering using this capacitor, the tolerances, leakage, temperature dependency and aging should be taken into account to ensure satisfactory operation. The overall performance of this class of capacitors will depend on the application and should be closely evaluated and tested before using it in an important application.

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