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Measured Comparison of Capacitors and Inductors Across Different Brands and Types (D, Q, ESR, X)
Electronics / Circuits

Measured Comparison of Capacitors and Inductors Across Different Brands and Types (D, Q, ESR, X)

Using a Zhongchuang ET4410 LCR bridge, the author measured inductance, capacitance, Q/D, ESR, and reactance of various inductors and capacitors at 100Hz–100kHz. Iron-silicon-aluminum toroidal inductors showed peak Q at 10kHz; SMD inductors performed better at high frequency. Solid capacitors significantly outperformed electrolytics, with Rubycon best among electrolytics. Capacitance dropped after 10kHz for electrolytics, while monolithic capacitors had high low-frequency ESR/reactance. The article provides full data tables and a spreadsheet.

发布于 2025-02-15
A Simple Unboxing and Review of EastTester(中创) ET4410 Desktop Digital LCR Meter
Reviews & Teardown

A Simple Unboxing and Review of EastTester(中创) ET4410 Desktop Digital LCR Meter

The article reviews the EastTester ET4410 LCR meter, purchased for 1,199 yuan. It outlines key specifications, including 10Hz-100kHz frequency, 0.2% basic accuracy, DCR and electrolytic capacitor modes, TFT display, and calibration functions. Practical tests show accurate measurements for resistors, capacitors, and inductors, though low-resistance readings are limited. A list sweep mode bug is identified, with a firmware update provided. Readers gain cost-performance insights, usage guidance, and awareness of measurement limitations when choosing this instrument.

发布于 2024-11-13

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