When it comes to ensuring power supply stability in electronic devices, the choice of capacitor plays a crucial role. The KEMET PEH536YEK3680M2 tantalum capacitor stands out as a reliable option for engineers and hobbyists alike. This particular model offers a capacitance of 3600 µF at 4V, which is ideal for filtering applications in low-voltage circuits. According to KEMET’s data sheet, this capacitor exhibits a low ESR (Equivalent Series Resistance) value, typically around 18 mΩ, which minimizes voltage ripple and enhances system performance.\u00a0For instance, in a recent project involving an IoT gateway powered by a single Li-ion cell, the PEH536YEK3680M2 was employed to smooth out voltage fluctuations caused by high-frequency noise from Wi-Fi and Bluetooth modules. Without this capacitor, the system would experience intermittent resets due to voltage drops under load. With its incorporation, the gateway operated flawlessly even during peak data transmission periods.\
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