The recommended land pattern for EEUFM1V221B is a rectangular pad with a size of 3.3mm x 1.6mm, with a solder mask opening of 2.5mm x 1.2mm. It's essential to follow the recommended land pattern to ensure reliable soldering and to prevent thermal stress.
The EEUFM1V221B has a polarity marking on the capacitor body, with the positive leg marked with a '+' sign. During PCB assembly, ensure that the positive leg is aligned with the positive pad on the PCB to prevent polarity reversal, which can lead to capacitor failure or even damage to the surrounding components.
It's recommended to store EEUFM1V221B in a dry, cool place with a temperature range of 5°C to 30°C and relative humidity below 70%. Avoid storing the capacitors in direct sunlight, high-temperature environments, or areas with high humidity to prevent degradation or damage.
While EEUFM1V221B is a robust capacitor, it's not specifically designed for high-vibration applications. If your application involves high vibrations, it's recommended to consider capacitors with specialized vibration-resistant designs or to implement additional mechanical support to prevent capacitor damage or dislodging.
The ESR of EEUFM1V221B is not explicitly stated in the datasheet, but it can be calculated using the impedance vs. frequency graph provided in the datasheet. Alternatively, you can contact Panasonic's technical support or consult with an application engineer to obtain the ESR value or guidance on how to calculate it.
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