Reviews & Analysis

ERJ-3RSFR10V: Evaluating Panasonic's 100m Thick Film Resistor

By Mark Harris Thursday, 5 January 2023

Are you considering using the Panasonic ERJ-3RSFR10V, a 100m thick film resistor with a 0603 (1608 metric) package for your next project? Discover the performance insights of this surface-mount resistor, including impedance, resistance, inductance, and a comprehensive comparative analysis. Engineers and enthusiasts, dive into the details and find out if this Panasonic resistor is the right choice for your applications.

Introduction

In this technical review, we will analyze the performance of the Panasonic Electronic Components ERJ-3RSFR10V Resistor, comparing it against a statistical benchmark consisting of components with similar nominal values. This ERJ-3RSFR10V Resistor is a thick film type resistor, featuring a nominal value of 100m, with a tolerance of ±1%, and designed for surface mount packaging in a 0603 (1608 metric) form factor. As engineers investigating this component's suitability for utilization in various product designs, we will examine and compare the performance of this Resistor based on the supplied LCR measurements.

Our comprehensive review will delve into various aspects such as resistance, inductance, and comparative analysis to benchmark data. The ERJ-3RSFR10V Resistor under analysis shows unique characteristics that will be compared to the benchmark data provided. The objective of this review is to help engineers to decide whether this Resistor can meet their requirements from various perspectives.

Pros and Cons of the ERJ-3RSFR10V Resistor:

  • Pros:

    • Generally consistent performance characteristics across different test frequencies
    • Low series resistance values, potentially reducing energy loss
    • Surface mount design offers increased space savings on PCB
  • Cons:

    • Resistance and impedance values slightly deviate from benchmark averages at certain test frequencies
    • Possible variability in resistance values as test voltage change

Impedance

In this section, we evaluate the impedance performance of the ERJ-3RSFR10V thick film resistor, comparing it to the statistical benchmark data for components with the same nominal value. To ensure a comprehensive analysis, the impedance performance assessment is conducted at both 1 Volt and 10 Volts across a range of test frequencies.

At 1 Volt, the ERJ-3RSFR10V exhibits relatively stable impedance values across the range of tested frequencies. When comparing the average impedance values of the benchmark to the ERJ-3RSFR10V, we observe that the resistor demonstrates minimal deviations throughout the test. Specifically, the ERJ-3RSFR10V exhibits impedance values slightly below the benchmark's average impedance at lower frequencies (from 5 kHz to 20 kHz), and closely follows the average impedance values in the higher frequency range (from 50 kHz to 1 MHz).

This consistency in impedance performance indicates that the ERJ-3RSFR10V has a robust frequency response, making it suitable for various applications where stable impedance values play a vital role in circuit performance.

Similar observations are made when the ERJ-3RSFR10V is tested at 10 Volts. At lower frequencies, the component shows an impedance somewhat higher than the benchmark average but remains within the range between the minimum and maximum impedance values. As the frequency increases, the ERJ-3RSFR10V's impedance presents lower values compared to the benchmark's average impedance, highlighting an important characteristic for engineers to consider when incorporating this component into high-frequency applications.

The insight gleaned from this analysis facilitates a better understanding of the ERJ-3RSFR10V's behavior in relation to voltage changes, enabling engineers to make informed decisions when selecting resistors for diverse applications.

Overall, the ERJ-3RSFR10V thick film resistor offers a consistent impedance performance across various test frequencies at both 1 Volt and 10 Volts. The results indicate that this resistor remains within the expected performance boundaries compared to the statistical benchmark data. Consequently, engineers should find the ERJ-3RSFR10V suitable for a wide variety of circuits and applications, particularly where stable impedance performance is required.

Resistance

The Panasonic Electronic Components ERJ-3RSFR10V Thick Film Resistor, featuring a nominal resistance value of 100m and a tolerance of ±1%, exhibits an outstanding performance when assessed against the statistical benchmark data. Its ability to maintain reliable and consistent performance across a range of frequencies and voltage levels showcases its versatile functionality.

Upon analyzing the ERJ-3RSFR10V's series resistance at a voltage level of 1 Volt, a noteworthy consistency in the measurements can be observed. At the majority of frequencies, its series resistance either closely matches or marginally deviates from the average benchmark values. For instance, at a frequency of 100kHz, the ERJ-3RSFR10V's series resistance measures 91.33m, which is just slightly above the benchmark average of 91.28m. The highest recorded series resistance for this component at 1 Volt is 91.43m, occurring at 500kHz. This value is well below the maximum value of 106.6m observed in the statistical benchmark, therefore demonstrating the ERJ-3RSFR10V's excellent performance capabilities.

Further examination of the component's behavior when subjected to a higher voltage of 10 Volts yields fascinating results. While the series resistance values exhibit slight deviations at certain frequency points, such as 50kHz, the ERJ-3RSFR10V successfully maintains an overall commendable performance. At a frequency of 600kHz, it achieves a series resistance of 83.69m, surpassing the average value of the statistical benchmark. These results present an additional perspective of the ERJ-3RSFR10V's remarkable adaptability and efficient functionality under varying voltage conditions.

Inductance

In this section, we will carefully analyze the inductance performance of the ERJ-3RSFR10V Resistor by comparing its LCR measurements against a well-established statistical benchmark. This benchmark comprises several crucial data points covering a wide range of test frequencies, starting from as low as 5 Hz and extending up to 1 MHz, thereby providing a comprehensive understanding of the component's inductance characteristics.

At the lower end of the test frequency spectrum, the ERJ-3RSFR10V Resistor exhibits higher inductance values. When measured at 5 Hz, it presents an inductance value of approximately 3.402μH, closely aligning with the average statistical benchmark value of 3.411μH. This similarity in performance persists even as the test frequency increases, as evidenced by the data obtained at 10 Hz: the resistor's inductance value is measured at 825.2nH, just slightly below the average benchmark value of 868.9nH.

Moving our focus to higher test frequencies, the ERJ-3RSFR10V Resistor's performance remains competitive and within close proximity to average benchmark values. For instance, at a test frequency of 100 kHz, the resistor's inductance value clocks in at 1.338nH, precisely matching the average benchmark value. A similar pattern is observed at the more challenging 1 MHz test frequency, where the ERJ-3RSFR10V Resistor records a series inductance of 1.396nH, which is just marginally higher than the average benchmark value of 1.338nH.

Based on this in-depth analysis, it is clear that the ERJ-3RSFR10V Resistor demonstrates inductance performance within a considerably competitive range when compared to the statistical benchmark. This performance makes it a potentially optimal choice for specific engineering applications, particularly those that require Thick Film Resistors. However, it is crucial to conduct further investigation through simulation or real-world testing to ascertain the best possible match for the particular engineering application at hand.

Comparative Analysis

Conclusion

In summary, the Panasonic ERJ-3RSFR10V thick-film resistor demonstrates mixed results in terms of impedance, series resistance, and inductance compared to the statistical benchmark for similar components. At 1 Volt, the ERJ-3RSFR10V's impedance and series resistance values are consistently close (+/-1%) to the benchmark average. At certain frequencies (e.g. 100Hz), the series inductance values also exhibit a close match to the benchmark average, while at other frequencies (e.g. 5kHz), the series inductance deviates more from the benchmark average. Ultimately, electronics engineers need to determine whether the ERJ-3RSFR10V thick film resistor suits their specific applications based on these performance metrics.

Furthermore, it is worth noting that the ERJ-3RSFR10V indeed performs better at 10 Volts compared to the 1 Volt test in terms of dissipation factor and quality factor. Specifically, the 10 Volt test data showcase improvements in the Quality Factor with increased frequencies from 5kHz to 600kHz. Despite the performance improvements at higher voltages, this resistor's 10 Volts performance may not be consistently ideal across all test frequencies, as evident in the incomplete data set above 750kHz. As a result, engineers who require consistent performance across a broad range of frequencies may want to consider an alternative resistor to accommodate their project needs.

Part number ERJ-3RSFR10V is an option for applications that do not necessitate outstanding performance across the entire frequency range and can accommodate performance close to the average of components in its class. However, for more demanding applications, engineers should investigate further options with performance characteristics that better fit the specific requirements of their project.

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