Introduction

In this technical review, we will analyze the performance of the Capacitor manufactured by Walsin Technology Corporation, part number 0805X475K250CT. This Ceramic: X5R capacitor has a nominal value of 4.7μ, a tolerance of ±10%, and a voltage rating of 25V. It has a surface mount mounting and is packaged in an 0805 (2012 Metric) package. The review will focus on how well this capacitor performs when compared to the statistical benchmark data.

• Dissipation Factor maintains a consistent level across various test frequencies
• Wide range of test frequencies covered in LCR measurements
• Performs well at typical operating frequencies (1kHz to 10kHz)

• Higher impedance values at lower test frequencies (5Hz to 100Hz)
• Variations in series capacitance at higher test frequencies (above 300kHz)
• Overall performance may not meet the strict requirements of some demanding applications

The subsequent sections of this review will cover aspects such as Capacitance, Series Resistance, Dissipation Factor, and Quality Factor in greater depth while also presenting a Comparative Analysis with the benchmark data.

Impedance

In order to thoroughly analyze the impedance performance of the 0805X475K250CT capacitor, it is essential to compare its values against a statistical benchmark data set for capacitors with the same value range. To evaluate its suitability for various applications, performance at different frequencies and voltage levels should be compared.

At a voltage of 1 Volt and a frequency of 5 kHz, the 0805X475K250CT capacitor registers an impedance value of 7.722 Ohms, which is consistent with the average impedance values noted within the benchmark data. When the frequency is increased to 10 kHz, the impedance value of the capacitor drops to 4.035 Ohms, falling almost precisely in the middle of the benchmark range. This makes the component particularly desirable in applications operating within this frequency and voltage range.

In the case of a higher voltage level, specifically 10 Volts, the capacitor's performance reveals some challenges at certain frequencies when juxtaposed with benchmark data. At 5 kHz, the capacitor's impedance measures 6.419 Ohms, which is marginally below the benchmark average. On the other hand, at the 10 kHz frequency, the impedance value of the capacitor is found to be 3.548 Ohms, which falls within the acceptable benchmark range. Consequently, the capacitor demonstrates superior suitability for specific applications at this voltage and frequency levels.

While engineers evaluate the incorporation of this capacitor in their projects, it is crucial to weigh the specific circuit requirements against the provided data. Based on the observed impedance value deviations from the benchmark data, it can be concluded that the 0805X475K250CT capacitor may be favorable for certain applications over others. An in-depth understanding of a project's specific needs and a careful comparison to available benchmark data allows for the optimal selection of components, enhancing overall performance and reliability.

Capacitance

The LCR measurements for the 0805X475K250CT capacitor offer valuable insights into its performance at different voltage levels and frequencies, specifically at 1V and 10V. By thoroughly analyzing these findings and comparing them to statistical benchmarks, we can effectively determine how well the 0805X475K250CT capacitor performs in relation to other components within its category.

Starting with the measurements taken at a test voltage of 1V, the 0805X475K250CT capacitor demonstrates commendable performance. Throughout the various tested frequencies, the series capacitance ranges from 3.704μF at 100kHz to 5.717μF at 5Hz. These results reveal that the average series capacitance achieved at 1V remains within the specified nominal value and tolerance range for the majority of the tested frequencies.

Focusing on the comparative analysis with the statistical benchmark at 1V, it is noticeable that the component's series capacitance surpasses the average range at lower frequencies up to 1kHz. However, as the frequency increases beyond 1kHz, the observed capacitance comes closer to the benchmark average, successfully maintaining the value within the benchmark-defined standard deviations—minimum and maximum values. This suggests the 0805X475K250CT performs optimally in low-frequency scenarios.

Upon evaluating the capacitor's performance at the higher test voltage of 10V, a discernible decrease in series capacitance is observed at test frequencies up to 100Hz. Interestingly, the capacitance values climb once more at higher frequencies, surpassing the nominal value and peaking at 6.09μF at 1kHz. This trend highlights the difference in the behavior and performance of the 0805X475K250CT capacitor depending on the applied voltage.

In conclusion, the 0805X475K250CT capacitor exhibits acceptable performance in a majority of the test scenarios, particularly at lower frequencies and 1V test voltage. However, varying applied voltages, such as 10V, can influence the component's performance, underlining the importance of understanding its behaviors under different conditions for the sake of accurate and effective circuit design.

Series Resistance

In this section, we will analyze the series resistance performance of the Walsin Technology Corporation 0805X475K250CT capacitor. To accomplish this, we will compare the obtained series resistance values of the capacitor to the statistical benchmark data from various test frequencies. This will allow us to determine how it performs relative to a broader context. At 1 volt, we will examine and compare the series resistance for the benchmark data and the measured values.

For instance, at the 5 Hz test frequency, the capacitor exhibits a series resistance of 390.4 Ohms, which is higher than the average (252 Ohms) for this frequency. However, its series resistance falls within the acceptable range between 4.769 to 548.1 Ohms for this benchmark. This indicates that while the capacitor's performance is not optimal, it remains viable for applications that may operate within this relatively low frequency range.

For higher test frequencies, as expected, the series resistance of the capacitor decreases. At the 100 Hz frequency, the 0805X475K250CT series resistance (21.48 Ohms) under a 1 Volt test remains higher than the average (13.82 Ohms) but within the range of 87.56m to 34.16 Ohms from the benchmark data. The same pattern continues at 500 Hz and 1 kHz test frequencies, reinforcing the observation that the capacitor exhibits a higher series resistance as frequency increases, although still within acceptable limits.

Now let's examine the series resistance of the 0805X475K250CT capacitor at a higher test voltage, 10 Volts. At the test frequency of 5 Hz, it presents a series resistance of 430.6 Ohms, while at 10 Hz, the measurement is 214.4 Ohms. These values are also notably higher than their counterpart statistical benchmark values that were obtained under the 1 Volt condition and similar test frequencies. This behavior highlights the nonlinear relationship between test voltage and series resistance. As the frequency increases to 500 Hz and 1 kHz, the series resistance values decrease again, attaining 4.673 Ohms and 2.309 Ohms, respectively.

In conclusion, the 0805X475K250CT capacitor exhibits higher series resistance than the average benchmark values at low test frequencies. However, it falls within the acceptable minimum and maximum ranges for this parameter. Further analysis on other parameters, such as capacitance, temperature coefficient, and dielectric absorption, is required to determine the suitability of the capacitor for specific projects or applications, taking into account the desired operating conditions and performance criteria.

Dissipation Factor and Quality Factor

LCR Measurements were performed on the 0805X475K250CT Capacitor using the standard method to measure its electrical properties. In this test, the nominal voltage was set at 1 Volt. The Dissipation Factor (Df), which is a measure of the energy loss in a capacitor, exhibited values ranging between 0.048 and 0.074 depending on the test frequency. These values are considered reasonably low and demonstrate the capacitor's ability to handle energy efficiently. The Quality Factor (Q), which represents the reactance to resistance ratio, ranged from 13.48 to 20.71, highlighting the capacitor's proficiency in energy storage and demonstrating its potential to achieve efficient performance.

When the test voltage was increased to 10 Volts, the 0805X475K250CT Capacitor displayed a varied performance. The Df values ranged between 0.039 and 0.089, still showcasing its low energy loss capabilities across the entire frequency range. The Q values under 10 Volts ranged from 11.29 to 25.31, indicating a favorable fluctuation in the capacitor's energy storage capacity and reactance, and suggesting consistent electrical performance under varying operating conditions.

Considering the test results, the 0805X475K250CT Capacitor proves itself as a solid performer in terms of Dissipation Factor and Quality Factor. Exhibiting low Df values signifies the capacitor's energy conservation capabilities, while high Q values illustrate its energy storage and reactance efficiency. These properties make the capacitor a suitable candidate for utilization in a wide range of applications, including filters, power supplies, and signal coupling circuits, providing engineers a reliable and dependable component for their designs.

Comparative Analysis

Conclusion

In conclusion, the Capacitor 0805X475K250CT from Walsin Technology Corporation, when analyzed against the statistical benchmark data, presents an interesting choice for electronics engineers considering both performance metrics and other important factors.

Concerning impedance and series resistance, the capacitor demonstrates values within the average benchmark specifications for most of the tested frequency range. However, noticeable differences can be observed at frequencies of 300 kHz and above. The Capacitor 0805X475K250CT offers a lower dissipation factor below 1 kHz and closely follows the average benchmark up to 75 kHz. This suggests better efficiency at lower test frequencies, while upper range offers comparable behavior.

Moreover, the quality factor of the capacitor is positioned in the middle range in terms of performance compared to the statistical benchmark. It offers a satisfactory quality factor for most applications, particularly at lower frequencies where engineers might be more interested in the stability and energy-handling characteristics of Capacitor Ceramic: X5R.

Ultimately, while the Walsin 0805X475K250CT capacitor may not necessarily excel in every aspect, its overall performance is in line with the statistical benchmark data. This could make it a suitable choice for electronics engineers who seek a mid-range Ceramic: X5R capacitor. The engineers should consider the specific application, cost-restraints, and other pertinent requirements when deciding on the suitability of this particular capacitor.