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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 902-0087-000 |
| Category | Robotics |
| Discontinued | Yes |
| Performance | |
| Torque |
7.4V55.22 oz-in3.98 kg-cm0.4 N-m |
| Speed |
7.4V0.09 sec/60°681.8 deg/s113.6 RPM |
| Running Current |
7.4V0.180 A180 mA |
| Stall Current | 1.1–1.1 A1100–1100 mATop 10% |
| Rated Output Power | 0.6 W |
| Physical | |
| Weight | 0.59 oz16.7 gTop 10% |
| Shape | Boxed |
| Dimensions |
L 1.417 in W 0.945 in H 1.063 in L 36.0 mm W 24.0 mm H 27.0 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Cored |
| Gears | Plastic |
| Gear Ratio | 238:1 |
| Shaft Size | 6.00 mm |
| Rotation Mode | Continuous |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Digital |
| Direction | Bidirectional |
| Rotational Range | 300° |
| Mechanical Limit | 300° |
| Neutral Position | 512 µs |
| Dead Band | 0.29 µs |
| Angle Sensor | Potentiometer |
| Control System | TTL-PID |
| Programmable | Yes |
| Resolution | 1,024 pulse/rev |
| MCU | ARM CORTEX-M0+ |
| Operating Modes | Position (Joint Mode), Velocity (Wheel Mode) |
| Signal Voltage | 3.3V |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -5–65 °C23–149 °F |
| Idle Current | 0.180 A180 mA |
| Connectivity | |
| Connector | Molex |
| Wire Length | 130 mm5.12 in |
| Baud Rate | 7.3 Kbps–1 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 | Top 10% Lighter than 100% of 1879 Digital Standard servos |
| Stall Current | Top 10% Lower draw than 96% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.16 W |
| Power Density | 0.815 W/in³ More power-dense than 13% of 1767 Digital Standard servos |
| Torque Density | 3.3066 oz-in/g |
| Torque-to-Volume Ratio | 38.79 oz-in/in³ |
| Speed-to-Weight | 0.68046 (1/sec·g) |
| Speed-Torque Trade-off | 4.86 |
| Current-per-Torque Ratio | 0.0199 A/oz-in |
| Idle-to-Running Current Ratio | 1.000 |
| No-Load vs Stall Current Spread | 6.11 |
| Voltage Range Width | 2.4 V Wider voltage range than 43% of 1559 Digital Standard servos |
Notes
Features a built-in clutch for gear protection and 3-color programmable LEDs. Uses DYNAMIXEL Protocol 2.0. Not compatible with CM-100/100A/CM-200 controllers.
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Reviews (14)
Includes 14 reviews aggregated from around the web.
There are few reviews for this servo on the web. Hobbyists describe it as quiet, affordable and useful because it provides feedback, but note it is slower and has less torque than hobby servos, and one was very disappointed in its power and speed.
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