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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 your FPV feed, reduce noise that can corrupt motor / ESC, radio control signals, and clean up noise going to your Gyro sensors - thus improving flight performance. They can also protect your electronic components from voltage spikes. Overall they are a highly recommended addition to any build.
Unicon series of capacitors have among the lowest ESR (equivalent series resistance) values in the market. Having a ultra low ESR value means that they can filter out noise better than other capacitors with higher ESR values.
Battery usage and recommended capacitor Voltage number recommendations:
What is a capacitor? A capacitor is a device that stores electrical energy, but unlike a battery does not itself generate energy. They are placed in an electrical circuit to smooth out fluctuations in voltage levels. They absorb and release energy as the circuit current demand changes.
Capacity: There are no rules on total uF required, it depends on the power requirements of your quad and how noisy it is. Generally speaking use 330uF-470uF on individual ESCs, or a 1000uF on the PDB / main battery connection. If the capacitor in your build keeps getting hot after every 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 won’t work and can even explode. The shorter leg indicates negative (-) the longer leg is positive (+).
- Capacitance: 470uF / 1000uF
- Leakage Current: 3290uA / 7000uA
- ESR: 0.024 Ohm
- Voltage: 35V
- Maximum Voltage: 160V / 125°C
- Temperature: -55+125°C
- Size: 10x12.5mm (470uf) / 10x22.5mm (1000uF)
1x Unicon UPL 35V Low ESR Capacitor
Sorry, we don't currently have any product related advice for this item. For general tips, tutorials and help please check out our Multirotor Beginner's Guide. Alternatively feel free to ask us a question.
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UK Postage: Here at Flying Tech we process orders Monday to Friday and pride ourselves on our quick turnaround of orders. If stocks levels allow, we aim to dispatch orders placed before 4PM the same day with Royal Mail. Our cut off time for courier delivery is earlier; orders must be placed by 1PM for next day delivery with DHL and 1PM for next day delivery with APC. A confirmation email will be sent when your order has been dispatched. If you wish to change your order, please contact us promptly, as we won't be able to make amendments once the order has been shipped.
We are partnered with several delivery companies including Royal Mail, DHL, APC and Parcel Force. If you have a special delivery requirement or would like to arrange a shop collection please contact us. For small low value orders our cheapest delivery service is Royal Mail First Class; this service aims to deliver the next working day including Saturdays and it can be sent recorded for extra peace of mind – please note this is not a guaranteed next day delivery or trackable service.
For a guaranteed next day delivery we recommend Royal Mail Special Delivery or one of our courier delivery options. Royal Mail Special Delivery will arrive by 1PM the next day and for an extra fee can be delivered on Saturdays. APC Overnight offers next day delivery with full tracking and a 2hr time slot pre-delivery text notification. DHL is a good option for larger consignments and remote locations such as Northern Ireland and Isle of Man. All high value orders are fully insured and will likely require a signature on delivery.
FREE shipping in the UK on orders over £99 (this is a signed for service and insured to a maximum of £40). Please note that the offer only applies to orders with a total weight under 1Kg and that a few products are exempt from the offer, such as LiPo batteries.
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For our international customers who require a rapid delivery we off a DHL Express service. DHL Express offers NEXT DAY delivery to most European destinations* and a very fast delivery for countries further afield, generally 2-3 days. For country specific estimated transit times, please refer this download.
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