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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


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Weight: 35g
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Price  $4.76

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 Customer rated
Total of 136 discussions.
Tony  1 points - 3/9/2015
Hi, does anyone know the jumper settings for the 5v/6v selectable on this UBEC? thanks
 handyjap 648 points
The two pins closest to the side gives me 5.25V and the 2 pins closest to the input gives me 6V.
Teis  2 points - 1/25/2015
I recieved this UBEC yesterday where it output 5.2 V and otherwise worked as expected. Today it only outputs 2.4 V (with or without load) and gets that hot I cannot hold it for more than 10sec, even without load. I power it with 12V/1A from a regular lab power supply. I accidentially sort circuit the UBEC twice but only for a fraction of a second. would this enough to break it? Somewhere it is stated that it has over current protection.
 handyjap 648 points
Over current protection is drawing more than 3A but at the output voltage, not short circuit. Short circuit protection mine does not have, not even for a split second. I would expect it to be fried like my first one.
Martin2509  19 points - 9/14/2014
 WEC777 17 points
How may I help you, Martin?
Roy  7 points - 8/7/2014
I just received two of these and blew up the first one as the Silver label has been put on the wrong way round on the tin box, input was actually the output. DON'T look at the label, go by what is printed on the PCB side.
 JaxxGTA 15 points
Good to know. I double checked mine when it arrived and at least the sticker was correct. However I did notice the sticker says max 5A but the PCB says max 6A??
 William 2 points
I just received two. And one had the label upside down as with Roy's. They still work fine but that label shows some sloppy QC.
BuBu1  294 points - 6/30/2014
Hello, I'm a bit confused about the maximum input voltage. The product page here states it's up to 5s, but the label in the back of mine says it's up to 6s. Has anyone successfully tried on a fully charged 6s LiPo?
 Thomas 46 points
I've found that it works but the BEC becomes a little hot, make sure yours has proper ventilation and maybe even a small PC fan, but overall I don't reccomend using it on a 6s. Cheers, Tom
 JaxxGTA 15 points
On the one I received it has 2-6S Li-poly printed on the PCB and it is VER2.0 so if yours is the same it should be fine.
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...

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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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