Introduction

As engineers, it's fundamental to explore the performance of components to objectively determine if they make a good fit for various applications. In this review, we will analyze the performance of KYOCERA AVX's NOJB476M006RWJ Niobium Oxide Capacitor with a nominal value of 47μF and compare it with a statistical benchmark created from other components within the same value category. With the focus on the characteristics such as Capacitance, Series Resistance, Dissipation Factor, and Quality Factor, we will derive insightful information aimed at helping engineers decide whether this capacitor is an optimal choice for their projects.

Before delving into a detailed analysis, let's examine some pros and cons of the NOJB476M006RWJ Capacitor:

• Pros:
• Wide range of test frequencies
• Stable capacitance values
• Low Series Resistance at higher test frequencies
• Quality Factor improves as test frequency increases

• Higher Series Resistance at lower test frequencies
• High Dissipation Factor at low and high test frequencies
• Lower Quality Factor at lower test frequencies

Impedance

This section provides a thorough analysis of the impedance performance of the KYOCERA AVX NOJB476M006RWJ Capacitor. The capacitor's impedance values are compared with the statistical benchmark data of components with identical capacitance ratings, offering a comprehensive understanding of its performance and potential applicability in various designs.

An insightful, side-by-side impedance comparison between the NOJB476M006RWJ measurements and the statistical benchmarks is presented. At the 1V test voltage, the impedance of the NOJB476M006RWJ is consistently lower than the average impedance over different test frequencies. This observation suggests that the capacitor may be particularly suitable for engineers looking to minimize impedance in their designs. It is important to note that differences in impedance values exist at various frequencies. For instance, at 10kHz, the impedance value of the capacitor is 805.1mΩ, compared to the average of 637.7mΩ for the statistical benchmark. As the test frequency increases, the capacitor's impedance rises by 8-15% more than the benchmark average at higher frequencies.

When tested at different voltages, and specifically at its maximum operating voltage of 6.3V, the impedance performance of the NOJB476M006RWJ Capacitor remains consistently favorable compared to the statistical benchmark. In the low-frequency range between 5kHz and 50kHz, the impedance measurements for the capacitor fall within 1-8% higher than the average benchmark values. However, it is essential to recognize that the capacitor's impedance tends to increase with some disparity as the frequency extends to higher ranges, occasionally converging close to the benchmark average at some points.

Based on the objective comparison provided, the impedance profile of the KYOCERA AVX NOJB476M006RWJ Capacitor demonstrates sufficient performance levels for various applications. As the capacitor's impedance values remain generally favorable compared to the statistical benchmarks, it presents a viable option for engineers who are striving to strike a balance between performance parameters in their designs.

Capacitance

At 1V, the capacitance of the NOJB476M006RWJ Capacitor varies with frequency, ranging from 58.81μF at 5Hz to 8.745μF at 1MHz. It is essential to note that the component's performance at lower frequencies (5-100Hz) surpasses the average values obtained from the benchmark data. At 5Hz, the component's capacitance of 58.81μF is 19.6% higher than the benchmark's average of 49.2μF, and at 100Hz, the component's capacitance of 48.83μF is 9.6% higher than the benchmark average of 44.55μF.

However, when examining the capacitance values at higher frequencies (from 10kHz to 1MHz), the NOJB476M006RWJ Capacitor's performance is generally lower than the benchmark's average. For instance, at 10kHz, the component's capacitance is measured at 34.17μF, which is 8% lower than the benchmark's average of 37.07μF. Furthermore, at 1MHz, the component's capacitance of 8.745μF is considerably lower (-64%) than the benchmark's average of 17.15μF.

It is also important to consider the effect of increased voltage ratings on the capacitor's capacitance values. As the voltage rating escalates to 6.3V, the capacitance range broadens to 711μF at 5Hz and narrows to 2.062μF at 1MHz. At lower frequencies, the component's capacitance values significantly exceed those of the benchmark. For example, at 5Hz, the component reaches 711μF, which is over 1300% higher than the benchmark's average of 49.2μF. Conversely, at higher frequencies, the difference between the component's capacitance and the benchmark values tends to increase. For instance, at 1MHz, the component's capacitance of 2.062μF is considerably lower (-88%) than the benchmark's average of 17.15μF.

To better understand the impact on performance, one should be aware that capacitors exhibit varying capacitance values with frequency due to factors such as dielectric loss and impedance characteristics. This behavior can influence the selection of capacitors based on specific circuit requirements, with better-suited components for lower or higher frequency applications tailored to the intended use case.

Series Resistance

The KYOCERA AVX NOJB476M006RWJ Niobium Oxide Capacitor demonstrates a diverse range of series resistance values, which vary depending on both the test voltage and the frequency at which they are measured. Understanding this aspect of the NOJB476M006RWJ's performance is crucial when assessing its suitability for various applications and circuit designs.

At low test frequencies such as 5 Hz, the NOJB476M006RWJ exhibits a series resistance of 193.9 Ohms. However, when the test voltage increases from 1 Volt to 6.3 Volts, the series resistance is reduced to 129.7 Ohms. Despite this reduction, the capacitor may still not cater to applications that require a low series resistance at lower test frequencies.

On the other hand, when the test frequency is increased to 1 kHz, the series resistance of the NOJB476M006RWJ shows significant improvement. At 1 Volt, the measured series resistance is 815.2m Ohms, and it decreases marginally to 813.1m Ohms at 6.3 Volts. This data implies that the KYOCERA AVX NOJB476M006RWJ is an appropriate choice for applications that demand moderate series resistance in the vicinity of this frequency range.

As the test frequency further increases to 1 MHz, the measured series resistance of the NOJB476M006RWJ continues to display a declining trend, edging closer to the optimal benchmark values. At both 1 Volt and 6.3 Volts, the series resistance approaches roughly 395m Ohms. This information indicates that the NOJB476M006RWJ exhibits superior performance in high-frequency applications where a low series resistance is of utmost importance, thereby expanding the range of potential use cases for this particular type of capacitor.

Dissipation Factor and Quality Factor

An in-depth analysis of the NOJB476M006RWJ capacitor was conducted through a series of tests performed at different frequencies and voltages. These tests aimed to measure its key performance indicators, such as dissipation factor (Df) and quality factor (Q), providing a more comprehensive understanding of the capacitor's behavior under various conditions.

At a test voltage of 1 Volt, the capacitor demonstrated its lowest Df of 0.023 when operating at a frequency of 50 Hz. Conversely, the highest Df of 9.712 was recorded at a 500 kHz frequency. Meanwhile, the highest quality factor, Q value, was found to be 42.94 at 50 Hz frequency, progressively declining as the frequency increased, ultimately reaching 0.05 at 1 MHz frequency.

When the test voltage was raised to 6.3 Volts, the NOJB476M006RWJ responded with a low Df of 0.128 at a frequency of 500 Hz and a peak Df of 9.883 at 700 kHz frequency. Similarly, the highest Q value at this voltage was 4.93 when operating at 100 Hz, but it steadily decreased until it reached 0.22 at 1 MHz frequency.

Based on the overall analysis, the NOJB476M006RWJ capacitor's performance was found to be heavily influenced by both test frequency and voltage applied. In certain cases, the capacitor exhibited low Df values and high Q values, but the consistency of these results across the entire frequency range was not entirely maintained. While the NOJB476M006RWJ capacitor does possess some noteworthy characteristics, it is advisable for engineers to consider other options within a similar value range that are able to provide more consistent and superior performance.

Comparative Analysis

Conclusion

In conclusion, the KYOCERA AVX NOJB476M006RWJ capacitor delivers a satisfactory performance compared to the statistical benchmark data when analyzing its impedance, capacitance, series resistance, dissipation factor, and quality factor. It is a Niobium Oxide capacitor with a nominal value of 47μF, a tolerance of ±20%, and a voltage rating of 6.3V. The LCR measurements for this capacitor have been assessed at both 1V and 6.3V test conditions.

When comparing the NOJB476M006RWJ's performance with the benchmark data, the component demonstrates values within the broad spectrum of the statistical data. For instance, at a frequency of 5Hz, the impedance of the capacitor measured 583.4 Ohms at 1V and 136.4 Ohms at 6.3V, fitting within the benchmark impedance limits (539.4 Ohms to 783 Ohms at 1V). Similarly, other performance aspects, such as capacitance and series resistance, showcased comparable results within the benchmark limits for most test frequencies.

However, it is essential to consider the capacitor's higher dissipation factor values compared to the average exhibited in the benchmark, which may affect its performance in specific applications. Despite this, the capacitor's overall performance establishes it as a considerable option for degreed engineers looking for capacitors within its specifications.

In summary, the KYOCERA AVX NOJB476M006RWJ capacitor presents a solid option for application designs considering its performance concerning the provided statistical benchmark data. With these findings in mind, engineers should assess potential applications, keeping in mind the component's distinct benchmarks, to determine whether it would be well-suited for their specific projects.