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> SBEC/UBEC & Regulator > SBEC/UBEC

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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.

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

Specs:
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



PRODUCT ID: TR-UBEC

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Weight: 35g
Quantity: 
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Price  $4.76

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 Customer rated
5750
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Total of 142 discussions.
MedicineMan  11 points - 8/17/2015
 
Can i run 2 of these in parallel for redundency or will it damage the ubec? (i.e. both running off the same lipo and connected to a single receiver)
 Wazza_99 1255 points
Never do this with a switching bec, which this one is. You can get away usually with linear becs.
BEST ANSWER CREDIT AWARDED
 MedicineMan 11 points
What if I put diodes on the positive output pins on the becs?
 handyjap 684 points
That should do the trick, but take into account the voltage drop over the diodes which vary with current up to 0.7V. If it is multiple items I drive, like several servos, I prefer to split the circuit for supplying power to the different servos separately.
alessandro  1 points - 8/7/2015
 
Hello. I read your forum but I did not understand that you intend to UBEC and SBEC. Which of these is linear, which is switching? Why you have not BEC. The "TURNIGY 3A UBEC w / Noise Reduction" is fine with lead batteries AGM? Or it is good only with LiPo?
 handyjap 684 points
This is a switching regulator = SBEC. This regulator is good for any battery between 5.5V~23V. The ones I have select between 5.25V and 6V. Just make sure you have some form of battery monitor not to drain the battery completely as it is not build into this device. The advantages of switch mode regulators are that the waste much less energy during conversion and the disadvantage is that when overloaded they tend to "fold" to 0V for own preservation.
BEST ANSWER CREDIT AWARDED
 alessandro 1 points
Thanks for the reply. Engineers Hobbies king they have also explained what they mean by UBEC. I would still like to know what BEC is better to use for lead batteries AGM. And if one of the products of the Hobby King is someone who makes my case. The battery is 6 volts DC therefore, I believe that even a linear type can be fine.
Ramiro  2 points - 7/18/2015
 
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Aaron  1 points - 6/27/2015
 
i am modng a nerd gun to run off a 2s lipo is this what i need to prevent draining my lipo
 Sondre 14 points
It depends on how much power the gun draws, this just converts your 2s 7,2v lipo to 5v.
 handyjap 684 points
I would use "HobbyKing Lipoly Low Voltage Alarm (2s~3s)" PRODUCT ID: 067000002 but for sure would disable or damp the noise of the buzzer as it can be loud.
ANDRONICA26@GMAI  1 points - 5/7/2015
 
how do you change the voltage output?
 handyjap 684 points
On the input side, at the jumper (black thing that can be removed, with extra golden pin), the two pins closest to the side gives me 5.25V and the 2 pins closest to the input gives me 6V.
Customer Reviews
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Overall Rating
Saurabh
19794 likes
ValueUNRATED
QualityUNRATED
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.


No comments. Reply..

Overall Rating
Hannes Steets
likes
ValueUNRATED
QualityUNRATED
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
Jessy
102 likes
ValueUNRATED
QualityUNRATED
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
depronator
77 likes
ValueUNRATED
QualityUNRATED
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.


5 comments. Reply..

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Overall Rating
HeliNutDK3d
273 likes
ValueUNRATED
QualityUNRATED
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!!!


6 comments. Reply..

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