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Technical Specifications
Last Updated: 2026-07-28Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | (add) |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
63.80 oz-in
4.59 kg-cm
0.5 N-m
4.8V
54.16 oz-in
3.90 kg-cm
0.4 N-m
|
| Speed |
6.0V
0.16 sec/60°
375.0 deg/s
62.5 RPM
4.8V
0.21 sec/60°
285.7 deg/s
47.6 RPM
|
| Running Current | (add) |
| Stall Current | 1200–1400 A1200000–1400000 mA |
| Physical | |
| Weight | 0.56 oz15.8 g |
| Dimensions |
L 0.90 in W 0.47 in H 1.16 in L 22.9 mm W 11.9 mm H 29.5 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | Brushed |
| Motor Drive | (add) |
| Gears | Hybrid |
| Gear Spline/Teeth | 21 T |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Single Bearing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | 3 µs |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 250 mm9.84 in |
| Origin | |
| Country of Origin | Taiwan |
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.
Performance Analysis
| Shaft Power | 0.74 W |
| Torque Density | 3.4279 oz-in/g Stronger than 78% of the 219 Digital Mini servos in the database |
| Torque-to-Volume Ratio | 110.38 oz-in/in³ Denser torque than 73% of the 224 Digital Mini servos in the database |
| Power Density | 1.503 W/in³ More power-dense than 49% of the 425 Digital Mini servos in the database |
| Speed-to-Weight | 0.30139 (1/sec·g) Faster than 46% of the 220 Digital Mini servos in the database |
| Speed-Torque Trade-off | 11.37 Better balanced than 74% of the 223 Digital Mini servos in the database |
| Current-per-Torque Ratio | 25.8493 A/oz-in More efficient than 15% of the 40 Digital Mini servos in the database |
| Torque Gain per Volt | 14.83%/V More voltage-responsive (torque) than 40% of the 190 Digital Mini servos in the database |
| Speed Gain per Volt | 26.05%/V More voltage-responsive (speed) than 92% of the 190 Digital Mini servos in the database |
| Voltage Range Width | 1.2 V Wider voltage range than 34% of the 288 Digital Mini servos in the database |
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Reviews (1)
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mjcp
April 15, 2016Application(s): 4m Scale glider - Ailerons and Flaps
Comments: Bought 4 of these to fit in a 4m scale glider, they are very strong for their size/weight but they are not reliable:
2 failed through stripped gears - On the Output shaft there is a large gear with a "knob" under it that acts as a stopper to limit the rotation. However, this stopper damages a large plastic gear on the middle shaft when the servo rotates to max limits.
The other 2 failed through stalling - At max travel, the servo can stall itself. You can repeat this by hand - rotate the servo to max travel and you will "feel" significant resistance before it starts to move off the stopper.
the full metal gear internals from the SH-0255mg can be swapped into the sh-0256 housing - problem solved but expensive!