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Technical Specifications
Last Updated: 2026-10-25
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 902-0178-000 |
| Category | Robotics |
| Performance | |
| Torque |
14.8V
594.72 oz-in
42.82 kg-cm
4.2 N-m
12.0V
481.44 oz-in
34.67 kg-cm
3.4 N-m
11.1V
438.96 oz-in
31.61 kg-cm
3.1 N-m
|
| Speed |
14.8V
0.27 sec/60°
222.2 deg/s
37.0 RPM
12.0V
0.33 sec/60°
180.2 deg/s
30.0 RPM
11.1V
0.37 sec/60°
162.2 deg/s
27.0 RPM
|
| Running Current |
12.0V0.070 A70 mA |
| Stall Current | 1.2–1.5 A1200–1500 mAAbove Average |
| Rated Output Power | 10.6 W |
| Radial Load | 40.0 N |
| Physical | |
| Weight | 3.00 oz85.0 gAverage |
| Shape | Boxed |
| Dimensions |
L 1.831 in W 1.122 in H 1.339 in L 46.5 mm W 28.5 mm H 34.0 mm |
| Case Material | Metal / Plastic |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Ratio | 353.5:1 |
| Shaft Size | 6.00 mm |
| Rotation Mode | Multi-turn |
| Backlash | 0.250° |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 360° |
| Angle Sensor | Contactless Absolute Encoder |
| Control System | RS-485 / PWM |
| Programmable | Yes |
| Resolution | 4,096 pulse/rev |
| MCU | ARM CORTEX-M3 |
| Operating Modes | Current, Velocity, Position, Extended Position, Current-based Position, PWM |
| Electrical & Environment | |
| Operating Voltage | 10–14.8 V |
| Temperature | -5–80 °C23–176 °F |
| Certification | FCC |
| Idle Current | 0.040 A40 mA |
| Connectivity | |
| Connector | JST |
| Wire Length | 180 mm7.09 in |
| Baud Rate | 9.6 Kbps–4.5 Mbps |
| Origin | |
| Country of Origin | South Korea |
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
| Weight | Average Lighter than 42% of 145 Digital Large servos |
| Stall Current | Above Average Lower draw than 71% of 92 Digital Large servos |
Performance Analysis
| Shaft Power | 2.19–4.07 W |
| Power Density | 1.481 W/in³ More power-dense than 50% of 112 Digital Large servos |
| Torque Density | 5.1642 oz-in/g |
| Torque-to-Volume Ratio | 159.57 oz-in/in³ |
| Speed-to-Weight | 0.03180 (1/sec·g) |
| Speed-Torque Trade-off | 162.38 |
| Current-per-Torque Ratio | 0.0034 A/oz-in |
| Idle-to-Running Current Ratio | 0.571 |
| No-Load vs Stall Current Spread | 21.43 |
| Voltage Range Width | 4.8 V Wider voltage range than 68% of 124 Digital Large servos |
| Backlash-to-Range Ratio | 0.00069 Tighter backlash than 54% of 25 Digital Large servos |
Notes
High-durability servo with a coreless Maxon motor and RS-485 interface. It is engineered for an operating life more than double that of standard XH series models.
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