Reviews & Analysis

KYOCERA AVX TCJE476M025R0050 Capacitor: Performance Analysis for Engineers

By Mark Harris Saturday, 28 January 2023

Explore the intricacies of the KYOCERA AVX TCJE476M025R0050 Tantalum Polymer Capacitor, featuring a nominal value of 47μ and a voltage rating of 25. This comprehensive review will delve into various performance characteristics such as impedance, capacitance, series resistance, and more to assess its potential integration into your circuit designs.

Impedance

The KYOCERA AVX TCJE476M025R0050 exhibits various impedance values at different test frequencies. To better analyze the performance of the capacitor, comparisons have been made using statistical benchmark data.

At lower test frequencies (1 kHz and below), the component's impedance is slightly higher than the average benchmark impedance for 1 Volt measurements. For example, at 5 Hz, its impedance measures 704.4 Ohms compared to the average benchmark impedance of 656.9 Ohms, and at 10 Hz, it measures 357.4 Ohms compared to the benchmark impedance of 332.8 Ohms. However, the capacitor registers impedance values below the benchmark averages for test frequencies between 1 kHz and 100 kHz.

Examining the impedance values within the higher range of test frequencies (100 kHz and above), it is evident that the capacitor generally falls below the benchmark data. For instance, at 1 MHz and 1 Volt, the component's impedance measures at 30.77 mΩ, which is slightly below the average benchmark of 286.2 mΩ.

Comparison of the capacitor's impedance values at 10 Volts show a decrease at lower test frequencies compared to the 1 Volt measurements. For instance, at 5 Hz, the capacitor's impedance reduces to 318.6 Ohms, and at 10 Hz, it comes down to 229.1 Ohms. However, the impedance values at higher test frequencies remain relatively consistent between 1 Volt and 10 Volt measurements.

Overall, the impedance performance of the KYOCERA AVX TCJE476M025R0050 may be considered adequate for diverse applications. The capacitor offers a lower impedance at higher frequency applications, which might be desirable for some engineers. Incorporating these values and variations into the design process is vital to evaluate the capacitor's compatibility with specific product designs, ensuring the optimum performance of electronic components and systems.

Capacitance

At a test voltage of 1 Volt and a test frequency of 5 Hz, the capacitance of the KYOCERA AVX TCJE476M025R0050 measures 45.2μF, which falls within the range of the benchmark data (40.66μF minimum and 69.99μF maximum). The average capacitance in the benchmark is 49.2μF, indicating that the capacitor performs marginally below average at this specific test condition. As the test frequency increases, a similar trend can be observed with the capacitor's capacitance mostly falling within the minimum and maximum values of the benchmark data but often below the average value, suggesting a slight deviation in performance at higher frequencies.

When we increase the test voltage to 10 Volts, the capacitor demonstrates an impressive capacitance of 177.3μF at a 5 Hz test frequency, which is significantly higher than the benchmark data. However, as the test frequencies increase, the capacitor's performance moves closer to the benchmark range, positioning itself between the minimum and maximum values but not consistently above or below the average. This observation suggests that the KYOCERA AVX TCJE476M025R0050 may provide an optimal choice for engineers working on specific applications where performance at low test frequencies and higher voltage ratings are imperative.

It is essential for engineers to consider factors such as voltage and frequency dependencies when selecting capacitors for their designs. Understanding the performance characteristics of a specific capacitor, like the KYOCERA AVX TCJE476M025R0050, under various test conditions can help in determining its suitability for the intended application. It is also crucial to consider the impact of temperature, derating, and lifespan factors on the capacitance performance, as these elements can have significant effects on the overall efficiency and reliability of the electronic system in which the capacitor is integrated.

Series Resistance

In this section, we examine the series resistance performance of the KYOCERA AVX TCJE476M025R0050 compared to the provided statistical benchmark, which is obtained from other components with the same capacitance value. Our analysis encompasses a broad spectrum of test frequencies ranging from 5 Hz to 1 MHz and two test voltages of 1 Volt and 10 Volts.

Upon evaluating the results at a test voltage of 1V, it becomes evident that the capacitor's series resistance is consistently below the statistical average for a majority of the tested frequencies. Moreover, the component also maintains a significantly lower series resistance than the maximum values in the benchmark. At 100 Hz, for example, the series resistance of the capacitor is 442.6m Ohms, compared to the benchmark average of 1.704 Ohms and a maximum of 5.073 Ohms. Furthermore, at 1 kHz, the component presents a series resistance of 70.67m Ohms, which is considerably lower than the benchmark average of 437.4m Ohms.

Upon analyzing the test results for a higher test voltage of 10 Volts, the capacitor offers impressive series resistance characteristics. For instance, at 100 kHz, the component's series resistance measures at 30.35m Ohms, which is below the benchmark's average as well as its maximum values. Nonetheless, it is essential to note that at some lower frequency ranges such as 5 Hz and 10 Hz, the capacitor's series resistance surpasses the average value, measuring at 259.1 Ohms and 143.6 Ohms respectively.

Given the component's outstanding performance at higher frequencies, the KYOCERA AVX TCJE476M025R0050 can be an excellent choice for electronic design engineers looking for capacitors with lower series resistance values in their projects. Keep in mind that series resistance plays a critical role in overall component performance, particularly in terms of power dissipation, voltage regulation, and transient response - all vital factors in selecting the best components for specific applications.

Dissipation Factor and Quality Factor

In this section, we will discuss the Dissipation Factor (Df) and Quality Factor (Q) performance of the capacitor and compare it to the statistical benchmark data. Understanding these measures is essential as they provide valuable insights into the energy loss and resonant properties of the component, enabling a comprehensive evaluation of its suitability for various engineering applications.

Concerning the Df performance, the capacitor displays improved Df values at higher test frequencies. This finding suggests that the capacitor offers an advantage when employed in systems designed to operate at elevated frequencies. For instance, at a test voltage of 10V, the component exhibits a Df of 1.444 at 5Hz and gradually decreases to 0.012 at 500Hz. Nevertheless, it is essential to note that the capacitor presents unreliable Df values within specific test frequency ranges, particularly between 400kHz and 1MHz. It implies potential limitations in its performance when implemented in high-frequency applications.

With respect to the Quality Factor, the capacitor demonstrates commendable Q performance across a broad range of test frequencies. At its optimal condition, the Q reaches a value of 82.90 with a test voltage of 10V at a frequency of 500Hz. These results signify the minimal energy losses achievable by this capacitor under such conditions. Nonetheless, the performance of the Quality Factor towards the end of the frequency spectrum remains unclear, as there is a lack of data within certain frequency ranges (between 700kHz and 950kHz).

In conclusion, a detailed assessment of the capacitor's Df and Q performance reveals that it performs well when juxtaposed with the statistical benchmark data. Despite presenting exceptional results at higher frequencies, potential users should exercise caution and consider the limitations and data gaps present in specific high-frequency ranges before making their decision.

Comparative Analysis

The KYOCERA AVX TCJE476M025R0050 is a Tantalum - Polymer: Molded, Surface Mount Capacitor with a nominal value of 47μ and a tolerance of ±20%. In this comparative analysis, we evaluate the performance of the capacitor against a statistical benchmark formed from other components of the same value, and assess the effectiveness of the TCJE476M025R0050 in terms of impedance, dissipation factor, quality factor, series resistance, series inductance, and series capacitance.

When analyzing the component data and benchmark data at 1 Volt test frequency, the TCJE476M025R0050 exhibits lower impedance values across a wide range of frequencies compared to the average benchmark values, with the most significant difference at 5Hz, where the capacitor has an impedance of 704.4 Ohms compared to the average benchmark of 656.9 Ohms. Similarly, the capacitor's dissipation factor is lower than the average values across most frequencies, suggesting better energy efficiency. The quality factor of the TCJE476M025R0050 is relatively lower across various frequencies, indicating increased energy loss in certain cases.

Moving on to series resistance, the capacitor shows lower values than the average benchmark values across most frequencies, implying a lower power loss during operations. In terms of series inductance, the TCJE476M025R0050 does not exhibit any significant difference from the benchmark data. Regarding series capacitance, the capacitor has values that are slightly lower than the average benchmark values across most frequencies, which may affect the overall performance in some applications.

At the 10 Volt test frequency, the TCJE476M025R0050 demonstrates similar trends in impedance, dissipation factor, and quality factor compared to the 1 Volt test frequency, with some variations. The series resistance also follows the same pattern, with slightly better performance at higher test frequencies. Similar to the 1 Volt test frequency, series inductance data is not significantly different from the benchmark, while series capacitance remains mostly lower than the average benchmark values.

In conclusion, the KYOCERA AVX TCJE476M025R0050 Capacitor exhibits a better overall performance in terms of impedance, dissipation factor, and series resistance compared to the statistical benchmark data. However, the quality factor and series capacitance values are slightly lower than the benchmark, which may impact the component's effectiveness in some specific applications. It is essential to consider these factors when evaluating this capacitor for use in various circuits.

Conclusion

In reviewing the performance of the KYOCERA AVX TCJE476M025R0050 Capacitor compared to the benchmark data, we found noticeable differences. From the LCR Measurement data, the Capacitor exhibits varying performance across different frequencies and voltage levels. Our overall analysis indicates the KYOCERA AVX TCJE476M025R0050 may not be the best option for certain applications; however, it does show decent performance in specific conditions, such as when tested under voltages between 1V-10V.

When observing the Capacitor's Dissipation Factor, it is apparent that its performance is considerably poorer in some instances as compared to the benchmark averages. The Quality Factor also shows mixed results, with some frequencies finding the Capacitor outperforming the benchmark while falling short in others. Series Resistance data indicates that the Capacitor falls within an acceptable range for most of the tested frequencies, although there are noticeable deviations from the benchmark at higher frequencies.

In conclusion, the KYOCERA AVX TCJE476M025R0050 Capacitor presents a mixed performance compared to the statistical benchmarks for Tantalum - Polymer: Molded Capacitors of the same value. It may not be the best and optimal choice for every application, but it does perform well under specific conditions. Engineers should closely evaluate the requirements of their application before deciding whether this particular capacitor suits their needs or if it is worth exploring an alternative option.

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