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Hobbyking YEP 120A LV (2-6S) Brushless Speed Controller with Selectable SBEC

Hobbyking YEP 120A LV (2-6S) Bru...

We are now proud to offer our Hobbyking YEP ESC series. With helicopter specific programming options such as super smooth soft start, fixed RPM mode (governor mode) and ultra high resolution, you won't find a better helicopter ESC on the market to...
9355000031-0

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$62.87
139g
9355000031-0


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Overview

We are now proud to offer our Hobbyking YEP ESC series. With helicopter specific programming options such as super smooth soft start, fixed RPM mode (governor mode) and ultra high resolution, you won't find a better helicopter ESC on the market today!

We have tested these units on our own helicopters and found them to be among the best we have ever seen. The super smooth soft start, along with its ultra high resolution throttle response puts this ESC in a class of its own!

Hobbyking YEP ESCs are built with the highest quality components to ensure true-to-rating current handling and high efficiency operation.

All Hobbyking YEP ESCs can be programmed via optional programing card or by transmitter stick inputs.

Features:
• Powerful 5.7-7.4-8.0v/12A Selectable BEC
• Optional programming card for convenient setup
• ESC has separate programming lead built-in so there is no need to unplug from RX
• Super fine throttle resolution provides first-rate and highly accurate linearity
• Super smooth adjustable start-up mode
• Constant RPM mode (governor mode)
• Adjustable F3A brake. 
• 3 steps adjustable normal EMF brake 
• High anti-interference capability
• Low voltage cut-off protection with automatic adjustment for NiCd/NiMH/Li-Ion/LiPo/LiFePO4 
• Soft cut-off option at low voltage, slows motor RPM gradual rather than hard cutoff (LVC)
• Low voltage cut-off can be disabled 
• Variable cut-off voltage / cell   
• Active free-wheeling circuit allows for unlimited "partial load" capability
• LED status display 
• Adjustable motor timing from 0° to 30° 
• Blocked rotation protection (senses a jammed motor and stops motor rotation) 
• Motor reversing from ESC (no need to change ESC/motor wires)
• Over-temperature protection and overload alarm 
• Anti sparking circuit: reduces connection sparks (for HV ESC)
• Throttle signal loss protection. If the signal is lost for 3 seconds, the power will automatically cut-off. 
• Safe power-on. (Motor will not start until throttle is returned to lowest position)

***This ESC is compatible with both helicopter and airplane models.***

Specs:
Max Cont Current: 120A
Max Burst Current: 135A for 10 Seconds
Input Voltage: 2-6 cells li-XX or 6-16 Ni-MH/Ni-Cd Battery
BEC: 5.7v - 7.4v - 8.0v/12A Selectable BEC
PWM: 8~16 KHz
Max RPM: 240,000rpm for 2 Poles Brushless Motor
PCB Size: 66 x 32.5 x 25.7mm
Weight: 100g (including wires)

Specs

Additional Information

  • Blade Count:
    N/A
  • Diameter X(Inch):
    No
  • SKU
    9355000031-0
  • Brand
    N/A
  • Watt Hour:
    0.00
  • Weight(g):
    139.00
  • Length
    110.00
  • Width
    40.00
  • Height:
    50.00
Discussion
Reviews

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Had an issue recently where the YEP 120amp LV ESC wouldn't produce full power after throttle calibration. All other programming functions worked fine using the card but even though I registered stop and full throttle settings, the power was lower than it should be. The only way I could get full power was to change my end point adjustment higher in my transmitter which gave me an extra 100watts. My 120HV has no such issue, just the LV version.
This had me initially thinking I had a mislabelled motor but it was the ESC not producing full power at the normal 100% end point adjustment even after calibrating the throttle using a programming card.
I use it with a HK550 TTFBL. Turnigy 1100kv Motor.
Governor and soft start works good.
Not good is the BEC when used at 5.7V. When you consume 1.5 A the voltage already falls down to 5V. The rating for 12A BEC is totally wrong and its no reliable power suppy for the servos of a big heli...
Running the ESC in a 20cc MXS-R gas conversion with an SK3 5055 430kV motor, 18x8 prop and 6s 5000mAh power. The ESC has been perfect, runs cool and the built in BEC is powering my HV servos at 8V no problem. It programs fine with the YEP (or YGE) card, all programming options are available and all work as intended (contrary to other reports). very compact for a 120A ESC, the only slight snag for some installations is that the battery wires are very short. The motor wires on the other hand are quite long.
Fliege ihn in einem Blade 600x mit einem Skorpion 4025 1100kv. Hatte in diesem Modell noch keine Probleme. Habe ihn auch in weiteren Modellen verbaut und hatte auch schon ausflle, aber wenn mann ihn richtig verwendet gibt es keine Probleme.
This is a nice Speed Controler. I need him for a HK600-GT. He must work with a 6S 16000mAh Lipo and a 3000W motor. I think it is verry good.
I have this on a TREX 550 with a AR7200BX (Beastx) and had cut out issues out punch-outs. This was due to the low throttle signal level comming form the BeastX. This is a well known YGE issue. The solution is to install a Turnigy Rx-Servo Signal Booster (2.7v~5v) cable on the throttle channel cable comming from the receiver. You can get one on hobby king for $2.34.

After that this ESC is Awesome! I have governor set-up and it hold rpm perfectly. Also don't use card to set endpoints. Use stick method for end point setting!
The ESC working flawlessly with Scorpion HKIII 4025 - 1100KV motor. Even under heavy load with MD 600V2 heli that swing 620mm main blade, the working tempature stay in range 63C - 65C depend on the weather tempature. That usualy 33C - 36C on my country.
Using this in my 6S powered Phantom without any issues. SBEC puts out plenty of voltage to power radio and servoless retracts without dropping to dangerous levels (like some other ESC's). You need the programming card to select the many functions available. The spoolup speed is very slow (programmed for Heli's) until you use the card to select something to your needs. Surprisingly small and light ESC! Love it!
Leider hat der Regler in meiner Eflite Phantom abgeschaltet, BEC ging noch Antrieb aber nicht mehr, deswegen ist der Flieger dann abgestrzt. Lag wohl am berhitzen des Reglers in der Phantom lsst er sich nicht sehr gnstig einbauen somit ist die Khlung nicht ganz optimal. Die hchste Belastung des Reglers lag bei 110 Ampere beim Start.
Aus der Erfahrung heraus wrde ich den Regler nicht mehr kaufen.

Even with overal 2stars i took my chance with running this in a brand new Goblin 570 with scorpion 1100kv motor, RJX HV servos and Vbar blueline. The ESC is programmed with Governor Store mode using the programming card for first time. Ths was easy as long as you take a few min reading on the internett. Iv just had 10 flights today and governor was fantastic and better than all my CC governors i would even go as far to say its close up under kotronic heli jive whitch i also have. BEC is set as 8v and working as intended for now atleast. You cant beat the price for this ESC!!! Just hope it lasts!!
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Video
  • Programming the YEP using throttle

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