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> SBEC/UBEC & Regulator > SBEC/UBEC

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HobbyKing™ HKU5 5V/5A UBEC

HobbyKing™ HKU5 5V/5A UBEC

This small and lightweight UBEC features a high efficiency switching mode BEC, providing better heat dissipation when compared to linear voltage regulation. The shielded PCB design and output EMF coil provide a stable, low noise voltage output. The HKU5 also features built-in reverse polarity protection.

Specifications:
Input: 7.2V-21V (2-5S Li-Po)
Output: 5V/5A
Dimension: 49mm*20mm*12mm (L*W*H)
Weight: 11.5g (wires included)



PRODUCT ID: 5AUBEC

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Weight: 14g Quantity: 
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stock
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Price $5.75

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 Customer rated
592
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Total of 53 discussions.
ธัญจิรา  1 points - 8/27/2014
 
I interesting "HobbyKing ™* HKU5 5V / 5A Ubec 2 set.
 v_max 3582 points
This is a stament. And what is the question?
Sejoon  7 points - 8/10/2014
 
I connect the input of ubec and output of battery in a wrong way... which mean red connected to black and black connected to red. Suddenly, it sparked and now it is broken. It doesn't work at all. It's better than exploding :D
Jonathan  39 points - 6/29/2014
 
5 dollar firecracker xD not cool..
Jonathan  39 points - 6/29/2014
 
Wtf the elco just exploded! Good thing it was during testing! Damn that one got my heart going xD Anyone els had this happen?
 v_max 3582 points
electrolithic capacitors excelently explode with reversed polarity... Wasn't it your mistake?...
 Jonathan 39 points
I used it before and is not reliable in combination with my kk2.1 keeps restarting.. So I used it for testing some LEDs and BANG! And it said it has built-in reverse *polarity protection..
 Noah 48 points
HK is pretty fair, id send them an email before you give up on your firecracker.
Halvard  5 points - 6/4/2014
 
This UBEC requires at least 7.6V (7.3 at no load) input voltage. 2s LiPo batteries can be discharged down to 6V (6.4 to be safe), which is way under its minimum supply voltage. It outputs 5.3V at no load, and quickly drops to about 4.5V output voltage at 1A load. This can't be safely used to power flight controllers which require close to 5V supply. It should be safe for most receivers. If using 2s LiPo, set your LiPo alarm no lower then 3.8V per cell to ensure full output voltage.
 Jimbolina1 517 points
Halvard. You are correct in your accesmemt. However this UBEC would not be the one to use in a 2s set up. This unit is for 3s and up. General use is to power inline with power battery for wieght savings. I have had this unit on my eflite p38 for years. I run twin motors and 9 digital metal gear 9g servos withought a hiccup. Happy Landings.
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SITAS
12 likes
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Verry small and cheap. Thanks hobbyking.


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Rusty Nuts
107 likes
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Purchased three of these for ignition voltage regulator duty in my large scale gas planes, when paired up with the turnigy 2100 Lipo receiver pack, you can run an engine all day versus the 4 cell NiMH packs. Working great in my planes, the 3A version works great too, but is a little longer and slightly heavier, but cost less. Next order, I will order more for spares for future projects.


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gianhulk
36 likes
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Really good, light and useful for no esc bec.


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88 likes
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Extra safety in your hobby


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nesperatu
89 likes
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ubec very small, but is doing its job


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