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> SBEC/UBEC & Regulator > SBEC/UBEC


TURNIGY 3A UBEC w/ Noise Reduction

TURNIGY 3A UBEC w/ Noise Reduction
TURNIGY 3A UBEC w/ Noise Reduction

The TURNIGY 3A UBEC utilises switching technology to gain a much higher efficiency than a linear BEC, this means less heat and longer battery life. The UBEC is equiped with a noise reduction alloy housing to reduce noise even further. Incorrect polarity safety feature ensures the UBEC will not be destroyed should the battery be connected incorrectly.

• Over current and over heat protection.
• Switching frequency 300khz.
• 92% chip efficiency
• Noise reduction alloy housing

Output: 5v/3A or 6v/3A (selectable)
Noise: <50mVp-p(@2A/12v)
Input: 5.5v-23v (2-5S Lipo pack, 5-15cells NiMh)
Size: 41.6x16.6x7.0mm
Weight: 7.5g


Shipped from:
International Warehouse



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 Customer rated
Total of 147 discussions.
Juan Carlos  7 points - 1/17/2016
Tengo uno en un edge 540 seagull con motor de 20cc y otro en un pilot sbach 342 30cc para alimentar la ignició*n y con unos 40 vuelos el sbach y unos 15 en edge sin un problema lo recomiendo a 100%
Alex  9 points - 12/27/2015
I've used this for 3 months or so and today when swapping out the battery something happened 3-4 seconds later, the receiver dropped out and there was no lights on the flight controller. I checked and it looks to be giving out 2.5V, opened up the case and SS34 diode is getting 100C , could be that or the IC that went faulty. Now it looks like only some of the flight controller works.
 handyjap 721 points
None of mine have failed so far but I will keep my eye on them from now. Thanks for the info.
Torsten  1 points - 12/17/2015
Mine was dead on arrival. Absolutely no output voltage whatsoever, regardless of the 5/6V jumper setting. With the price below $5 it's not worth my time to fill out an RMA form and send it back on my dime.
gary  2 points - 11/2/2015
how do you select the output voltage? does it come set up as 5v or 6v ?
 Martin 6 points
There is a 5V / 6V jumper.
 handyjap 721 points
In the red circle is the black cap that have to be moved between 5.25V and 6V (in my case) target=_blank>In red circle
DooGZ  79 points - 10/3/2015
5 years and counting... alive and kicking
 HSNRc 66 points
share your experience with Torsten. :)
Customer Reviews
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Overall Rating
320 thumbs up!
Very tiny module. I was expecting a little bigger... It came in transparent shrink wrap.

The output wire has a JR battery terminal.
The input terminal has no connectors attached, so you can attach the connect of your choice.

Actually weights 8gms

I am using 5 Futaba 3004 servs without any problems. IT barely gets warm.

Suggest to keep a min 10cm distance form the reciever to avoid interference.

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Overall Rating
Hannes Steets
61 thumbs up!
I checked this UBEC on a spectrum analyser to see wether it put out lots of interference in the 35 MHz radio frequency band. There is some switching noise between 100 Khz and about 2 Mhz, which is to be expected as this is the main switching frequency and the harmonics of it. I was able to lower the noise by winding 2 extra turns of cable on the ferrite core. If you want it REALLY quiet, you can solder a small 4,7 uF Tantalum capacitor between the red and the black cable. Mine fits nicely inside the ferrite ring. But I guess these alterations reflect just my tendency to perfectionism. It would be interesting to do some comparative range testing with this UBEC vs. a receiver battery. Maybe when the wether gets warmer...

4 comments. Reply..

Overall Rating
27 thumbs up!
Very BAD PRODUCT.. The Cable is so Thin..!! i bought 1 of these and tested to my Turnigy Lipo 1300mah, than the Cable BURNING..!!

25 comments. Reply..

Overall Rating
25 thumbs up!
Poor quality. Have after some tests sometimes no output voltage. Just one time is to mutch. Thank god, i don`t have crashed my full glass EP-warbird with this BEC. I took another BEC.

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Overall Rating
23 thumbs up!
Dont agree that this is photographed and labeled, 5A UBEC but when you get it, the instructions state 3 amps. Labeling a device that says UBEC - 5A but not stating 5A amps for 10sec is not right. It's rating is 3 Amps Constant, so it sould be labeled as shuch. I purchaed 2 of these thinking that I got nice small UBEC running at 5 amnps.. Wrong!!!

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