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YEP 120A HV (4~14S) Brushless Speed Controller (OPTO)

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YEP 120A HV (4~14S) Brushless Speed Controller (OPTO)

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$138.95
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SKU:
9355000019
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YEP ESC series offers a super smooth linear throttle response making them exceptional fixed-wing and helicopter ESCs.  The features offered in this ESC are only matched by the most expensive European brands at a fraction of the cost. The super-smooth soft start, along with its ultra-high-resolution throttle response puts this ESC in a class of its own!

YEP ESCs are built with the highest quality components to ensure true-to-rating current handling and high-efficiency operation. Although quality is a tag line mentioned by many manufacturers you'll notice the difference the moment you remove the YEP ESC from the box. 
 
All YEP ESCs can be programmed via an optional programming card or by transmitter stick inputs.

 

Features:
• HV capability for use with up to 14S (51.8V) LiPo
• Optional programming card for convenient setup 
• ESC had 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)  
• Over-temperature protection and overload alarm  
• Anti sparking circuit: reduces connection sparks 
• Throttle signal loses 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)


Specification:
Max Cont Current: 120A
Max Burst Current: 140A for 10 seconds
Input Voltage: 4-14 cells li-XX or 12-42 Ni-MH/Ni-Cd battery
BEC: None (OPTO)
PWM: 8~16 KHz
Max RPM: 240,000rpm for 2 Poles Brushless Motor
PCB Size: 68x53mm
Weight: 164g (including wires)


Recommended
YEP programming card required to access the full suite of programming options. 

  • Programming the YEP using throttle
  • Testing YEP on a FDR 700
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Only registered users can write reviews. Please, sign in or sign up

dirkchen | Verified Buyer

  • Quality
  • Overall
  • Value

Worked great - for some time

Mar 17, 2022

Worked great on 12s in 1.8m helicopter (gov mode - great stability) until burn-thru in 3rd flight for no obvious reason; filed claim and got replacement; not yet re-fitted since reluctant since forced landings are not to my liking.
Great com and service from KH though.

Tadango | Verified Buyer

  • Quality
  • Overall
  • Value

Awesome esc for 50-70cc class planes

Jan 14, 2022

They work just great. Easy to program with smooth motor operation. They run cool and efficient. This my third and certainly not my last.

VAL | Verified Buyer

  • Quality
  • Overall
  • Value

using on assault 700

Dec 25, 2021

Bought it to use on my Assault 700 and after about a dozen flights I am very satisfied.

pierrepoupouk | Verified Buyer

  • Quality
  • Overall
  • Value

facile a programmer sans PC, ne chauffe pas en usage intensif et préserve moteur et batterie le tout a un prix dérisoire par rapport a la concurrence européenne .Que demaander de plus?

Nov 26, 2021

super

Col | Verified Buyer

  • Quality
  • Overall
  • Value

Good

Nov 11, 2021

Bought 2 of these after getting the first one and using the programing card to set it up, using one on a rotomax 50cc on 12s, the other will be used in a F4U with rotomax 1.60 10s. I do like these, once familiar with the card and settings very good product.

Old Bill | Verified Buyer

  • Quality
  • Overall
  • Value

Good Item

Oct 13, 2021

This is the second 120 amp controller I have. Both installed and run very smooth, - no issues. Easy to programme using YEP card.

Old Bill | Verified Buyer

  • Quality
  • Overall
  • Value

Smooth Operation

Oct 12, 2021

Using with 10s overlander motor. No problems. Easy to programme.

R.W | Verified Buyer

  • Quality
  • Overall
  • Value

bad

Sep 02, 2021

A esc sold, must can work whit every motor if not it should peep peep but never ever burn out in a sec . this esc is even for plane and heli motors.
i burned 3 pieces in 1 sec. even motor whas still good after testing i thit replace it by a new xpwr 40 just to be extra shure, last esc also thit burn out. now i installed a new castle creations no problem at all.
So mebe it can work good but overal this esc is just to specific for what motor it can yoused on and componets are really at the low side.
I also have a hobbywing 120A 12cell that whas sold by hobbyking under the brand K-force but it is a real hobbywing just rebranded.
And if i inspect it it has also A quality components.
I think a small yep is possible to youse in a project but will never ever buy this yep 120A ever again.
sorry to say

Regler | Verified Buyer

  • Quality
  • Overall
  • Value

Top

Aug 31, 2021

Top und Funktioniert wie er soll.

Ned | Verified Buyer

  • Quality
  • Overall
  • Value

Super Controllers

Aug 26, 2021

I have many of these controllers. They are terrific in 10S or 30cc equivalent applications. I am always recommending them to others.

Customer files
HV dual regulator wiring diagram Download [55]
sensorless ESC theory Download [1357]
simple YEP programming. Download [50]
How i mod my ESC Download [400]
Manual for YEP Series of ESC Download [184]
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