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Technical Specifications
Last Updated: 2026-09-13| Identity | |
| Brand |  |
| Product Number | 0102003023 |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
33.33 oz-in
2.40 kg-cm
0.2 N-m
4.8V
27.77 oz-in
2.00 kg-cm
0.2 N-m
Average
|
| Speed |
6.0V
0.10 sec/60°
600.0 deg/s
100.0 RPM
4.8V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Average
|
| Running Current |
6.0V
0.250 A
250 mA
4.8V
0.200 A
200 mA
Average
|
| Stall Current | 0.9–1.1 A900–1100 mAAverage |
| Physical | |
| Weight | 0.42 oz12.0 gAverage |
| Dimensions |
L 0.906 in W 0.453 in H 0.945 in L 23.0 mm W 11.5 mm H 24.0 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Brushed |
| Gears | Metal |
| Gear Spline/Teeth | 15 T |
| Rotation Mode | Positional |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 60° |
| Mechanical Limit | 160° |
| Pulse Cycle | 3 ms |
| Pulse Width | 700-2300 µs |
| Neutral Position | 1520 µs |
| Dead Band | 1 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -20–60 °C-4–140 °F |
| Certification | CE |
| Idle Current | 0.001 A1 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 250 mm9.84 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 53% of 245 Digital Micro servos at 4.8V |
| Speed | Average Faster than 45% of 245 Digital Micro servos at 4.8V |
| Weight | Average Lighter than 39% of 576 Digital Micro servos |
| Running Current | Average Lower draw than 38% of 33 Micro servos at 4.8V |
| Stall Current | Average Lower draw than 36% of 140 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.43–0.62 W |
| Power Density | 1.589 W/in³ More power-dense than 44% of 545 Digital Micro servos |
| Torque Density | 2.3142 oz-in/g Stronger than 48% of 243 Digital Micro servos |
| Torque-to-Volume Ratio | 71.60 oz-in/in³ Denser torque than 49% of 245 Digital Micro servos |
| Speed-to-Weight | 0.69444 (1/sec·g) Faster than 46% of 243 Digital Micro servos |
| Speed-Torque Trade-off | 3.33 Better balanced than 56% of 245 Digital Micro servos |
| Current-per-Torque Ratio | 0.0396 A/oz-in More efficient than 60% of 48 Digital Micro servos |
| Idle-to-Running Current Ratio | 0.005 Lower idle draw than 90% of 74 Hobby servos |
| No-Load vs Stall Current Spread | 5.50 Narrower current spread than 58% of 20 Micro servos |
| Torque Gain per Volt | 16.68%/V More voltage-responsive (torque) than 49% of 196 Digital Micro servos |
| Speed Gain per Volt | 16.67%/V More voltage-responsive (speed) than 51% of 198 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 32% of 410 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0006 3rd-highest dead-band-to-pulse-width ratio of 123 Digital Micro servos |
Notes
Specs are for the ES08MD 2 which is the newer version of the model. This servo also comes in an analog version - ES08MA 2.
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Reviews (5)
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Omega9
June 28, 2014Application(s): 450 Helicopter
Comments: it's not bad this servo. I speed tested it, and it meets it's required specs. It's all metal geared. It would of been nice if it had 2 Ball bearings like the Emax es09md. But for the cheap price, it's good and it's nice and light. As for slop, I've seen worste, it's very minimal slop.
Tri
March 13, 2014Application(s): Tricopter tail motor
Comments: so far bought 2 and 2 have died, the first burnt out before I even got it in the air, and may have been a defect as it got exceptionally hot very quickly. The other worked for 3 days, but then began to no longer center and work in one direction or the other, seemingly at random.
Hansi1959
May 8, 2013Application(s): 70 + 90mm EDF jets on ailerons and elevators
Comments: Very happy with performance and accuracy. Lots of value for the money!
Have 20+ units in operation and had only one fail me.Maxim K.
July 26, 2012Application(s): Parkfliers as VA-Models Katana and Hyperion Extra 10e
Comments: Good servo for the price. Smooth operation, good resolution.
But not so fast as declared.
Real speed varies from 0.12 sec / 60 grad / 4.8V for good item to 0.17 sec for bad.
Typical speed is about 0.137 sec / 60 grad / 4.8V.Neoalchemist
January 17, 2012Application(s): cyclic servo on 450 class helicopter
Comments: I never got to see if these work or not because the casings practically crumbled to powder upon installation.