Panasonic recommends a PCB layout with a large copper area for the capacitor pads to reduce ESR. A minimum of 2 oz copper thickness is recommended. Additionally, the capacitor should be placed close to the power source and the return path should be as short as possible.
The EEUED2C470 is designed to operate up to 100 kHz. At high frequencies, the capacitor's impedance increases due to the ESL (Equivalent Series Inductance). To minimize the impact of ESL, Panasonic recommends using a capacitor with a shorter lead length and a larger capacitance value.
Panasonic provides a derating curve for the EEUED2C470 in the datasheet. The curve shows the reduction in capacitance and voltage rating as a function of temperature. For example, at 105°C, the capacitance is reduced to 80% of the nominal value, and the voltage rating is reduced to 80% of the nominal voltage.
Yes, the EEUED2C470 is designed to withstand vibrations up to 10 Hz to 2000 Hz, 1.5 mm amplitude. However, it's recommended to follow the mounting instructions and ensure the capacitor is securely soldered to the PCB to prevent mechanical stress.
Panasonic recommends a soldering profile with a peak temperature of 260°C, a dwell time of 10-30 seconds, and a cooling rate of 2-4°C/s. The soldering process should be done in a nitrogen atmosphere to prevent oxidation.
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