Adding capacitors to your setup can make your FPV video signal cleaner and your drone fly better. Low ESR capacitors can reduce video noise in the FPV feed, reduce noise that can damage the motor/ESC, radio control signals, and clean up noise from gyro sensors, thus improving flight performance. They can also protect electronic components from voltage spikes. Overall they are a highly recommended addition to any build.
The Unicon capacitor series has some of the lowest ESR (equivalent series resistance) values on the market. Having an ultra low ESR value means they can filter out noise better than other capacitors with higher ESR values.
Recommended Battery and Capacitor Usage Recommended Voltage Number:
4S: 25-35V
5S: 35V
6S: 35-50V
Capacitance : There are no rules on the total uF required, it depends on the power requirements of your quad and how loud it is. In general, use 330uF-470uF on the individual ESCs or 1000uF on the PDB/main battery connection. If the capacitor in your build continues to overheat after each flight, it could be an indication that the cap is too small.
Installation Tip : It is extremely important to understand the polarity of a capacitor. If you make a mistake, the capacitor will not work and may even explode. The shorter leg indicates negative (-) the longer leg is positive (+).
- Capacitance: 470uF / 1000uF
- Leakage current: 3290 uA / 7000 uA
- ESR: 0.024 Ohm
- Voltage: 35V
- Maximum voltage: 160V / 125°C
- Temperature: -55+125°C
- Size: 10x12.5mm (470uF) / 10x22.5mm (1000uF)
Package Included
1x Unicon UPL 35V low ESR capacitor
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