The EMAX ES9250MD is a digital servo designed for all-purpose use, featuring a coreless motor and metal gears. It supports PWM control and operates across 3.8V to 6.0V input, making it suitable for compact RC and robotics installations where size and weight matter.
Key Features
Coreless motor design
Metal gear train
Digital servo with PWM control system
15T output spline
Wide pulse width range: 600-2400 µsec
Operating travel: 90° ± 8° (when 1000-2000 µsec)
Specifications
Temperature
Storage temperature range
-20°C to 60°C
Operating temperature range
-10°C to 50°C
Electrical Specification (Function of the Performance)
Item
3.8V
5.0V
6.0V
(±10%) Operating speed (at no load)
0.11 sec/60°
0.08 sec/60°
0.07 sec/60°
Running current (at no load)
70mA Max
90mA Max
110mA Max
Stall torque
0.42kg.cm (5.84 oz-in) Max
0.55kg.cm (7.64 oz-in) Max
0.65kg.cm (9.03 oz-in) Max
Maximum current
250mA Max
330mA Max
380mA Max
Idle current
2.2mA
Mechanical Specification
Overall dimensions
(0.73 x 0.33 x 0.67 in)
Weight
4.8 ± 0.5 g (0.17 oz)
Connector wire gauge
JR
Connector wire length
180 ± 8 mm (7.09 in)
Output spline
15T
Bearing
NO
Gear type
Metal
Extreme angle
360°
Control Specification
Control system
PWM
Operating travel
90° ± 8° (when 1000-2000 µsec)
Neutral position
1500 µsec
Rotating direction
Counter Clockwise / Pulse traveling 1500 to 1900 µsec
Pulse width range
600-2400 µsec
Maximum travel
160° ± 10° (600-2400 µsec)
Mechanical Drawing Dimensions (Units: mm)
Thread
M1.5
Spline diameter
φ3.90 ± 0.05 (15T)
Mounting holes
2-φ1.80 ± 0.05
Top view length
25.48
Top view inner length
21.90
Top view width segment
5.89
Body width
8.30
Section length
18.45
Heights shown
19.05 / 16.85 / 14.20 / 11.20 / 10.3
Applications
Micro/compact RC models and small robotics mechanisms
Lightweight control surfaces or small actuators where PWM digital servos are required
For compatibility questions (servo horns, linkages, control signal range) or bulk inquiries, contact support at https://rcdrone.top/ or support@rcdrone.top.
Details
Full electrical, mechanical, and control specifications for the ES9250MD, including PWM pulse width range and operating travel.