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Technical Specifications
Last Updated: 2026-11-03| Identity | |
| Brand |  |
| Product Number | ES9052MD |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
18.06 oz-in
1.30 kg-cm
0.1 N-m
5.0V
15.28 oz-in
1.10 kg-cm
0.1 N-m
3.8V
11.81 oz-in
0.85 kg-cm
0.1 N-m
Average
|
| Speed |
6.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
5.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
3.8V
0.15 sec/60°
400.0 deg/s
66.7 RPM
Below Average
|
| Running Current |
6.0V
0.120 A
120 mA
5.0V
0.100 A
100 mA
3.8V
0.080 A
80 mA
|
| Stall Current | 0.45–0.7 A450–700 mABottom 10% |
| Physical | |
| Weight | 0.19 oz5.5 gBelow Average |
| Dimensions |
L 0.78 in W 0.35 in H 0.91 in L 19.8 mm W 8.9 mm H 23.1 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 15 T |
| Shaft Size | 3.9 mm |
| Rotation Mode | Positional |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 160° |
| Mechanical Limit | 360° |
| Pulse Width | 600-2400 µs |
| Neutral Position | 1500 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 3.8–6 V |
| Temperature | -10–50 °C14–122 °F |
| Idle Current | 0.002 A2 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 180 mm7.09 in |
| Origin | |
| Country of Origin | China |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Class Comparison
| Torque | Average Stronger than 61% of 32 Digital Nano servos at 3.8V |
| Speed | Below Average Faster than 10% of 31 Digital Nano servos at 3.8V |
| Weight | Below Average Lighter than 15% of 89 Digital Nano servos |
| Stall Current | Bottom 10% Lower draw than 8% of 40 Digital Nano servos |
Performance Analysis
| Shaft Power | 0.15–0.37 W |
| Power Density | 1.493 W/in³ More power-dense than 53% of 81 Digital Nano servos |
| Torque Density | 2.1473 oz-in/g Stronger than 52% of 32 Digital Nano servos |
| Torque-to-Volume Ratio | 47.54 oz-in/in³ Denser torque than 39% of 32 Digital Nano servos |
| Speed-to-Weight | 1.21212 (1/sec·g) Faster than 10% of 31 Digital Nano servos |
| Speed-Torque Trade-off | 1.77 Better balanced than 80% of 31 Digital Nano servos |
| Current-per-Torque Ratio | 0.0593 A/oz-in More efficient than 6% of 707 Hobby servos |
| Idle-to-Running Current Ratio | 0.025 Lower idle draw than 83% of 333 Hobby servos |
| No-Load vs Stall Current Spread | 8.75 Narrower current spread than 58% of 350 Hobby servos |
| Torque Gain per Volt | 24.06%/V More voltage-responsive (torque) than 68% of 23 Digital Nano servos |
| Speed Gain per Volt | 30.31%/V 1st-highest speed gain per volt of 30 Emax servos |
| Voltage Range Width | 2.2 V Wider voltage range than 62% of 77 Digital Nano servos |
Notes
The ES9052MD HV is the higher voltage version.
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Reviews (4)
Includes 4 reviews aggregated from around the web.
There are few reviews for this servo on the web. Owners are happy: two buyers gave it 5 out of 5 at one hobby retailer, one calling it a great digital metal-gear servo used on all of his 3D foamies. A driver pushing one hard in a small 1/18 scale basher said it has never failed him despite rough treatment. It is also chosen by long-range flyers and shows up as a regular recommendation for 5 gram servo needs. No failure reports were found.
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