XQ-S4120D

XQ-S4120D is a HV coreless digital servo Working voltage 7.4V-8.5V,supports 2S LI-po. Dual ball bearing. High precision titanium gear. Impressive high performance and extremely competitive price. Perfect for large scale rc helicopters, cars and boats.etc.
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1.Apply Environmental Condition 
No.
Item
Specification
1-1
Storage Temperature Range -20~70℃
1-2
Operating Temperature Range -15~60℃
2.Standard Test Environment
No.
Item
Specification
2-1
Temperature range 25±5℃
2-2
Humidity range 65±10%
3. Mechanical Specification
No.
Item
Specification
3-1
Size A:40.2mm B:20.1mm C:38.8mm
3-2
Weight 57.5g(2.03oz)
3-3
Gear type Titanium Gear
3-6
Limit angle 210°±5°
3-7
Bearing 2 Ball bearings
3-8
Horn gear spline 25T
3-9
Horn type Plastic,POM
3-10
Case Engineering plastics & Aluminium
3-11
Connector wire 300mm
3-12
Motor Coreless motor
3-13
Splash water resistance Yes
4.Electrical Specification (Function of the Performance)
No.
Operating Voltage Range
7.4 V
8.5 V
4-1*
Idle current(at stopped) 8 mA 6.0mA
4-2*
No load speed 0.18sec/60° 0.14 sec/60°
4-3*
Runnig current(at no load) 240 mA 150 mA
4-4
Peak stall torque 218 kg.cm/247.2 oz.in 21 kg.cm/291.7 oz.in
4-5
Stall current 2000 mA 2300 mA
5.Control Specification:
No.
Item
Specification
5-1
Command signal Pulse width modification
5-2
Amplifier type Digital Controller
5-3
Pulse width range 800~2200µsec
5-4
Neutral position 1500 μsec
5-5
Running degree 110°(when 900~2100 µ sec)
5-6
Dead band width 2 μsec
5-7
Rotating direction Counterclockwise (when 1000~2000 µsec)
5-8
Blocking protection Yes

6.The Drawings


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