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Technical Specifications
Last Updated: 2026-07-10
|
Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 902-0063-000 |
| Category | Robotics |
| Performance | |
| Torque |
12.0V2.04 oz-in0.15 kg-cm0.0 N-m |
| Speed |
12.0V
0.02 sec/60°
2,857.1 deg/s
476.2 RPM
11.1V
0.02 sec/60°
2,608.7 deg/s
434.8 RPM
9.0V
0.03 sec/60°
2,142.9 deg/s
357.1 RPM
Top 10%
|
| Running Current |
12.0V
1.400 A
1,400 mA
11.1V
1.300 A
1,300 mA
9.0V
1.100 A
1,100 mA
|
| Stall Current | ≤1400 A≤1400000 mABelow Average |
| Rated Output Power | (add) |
| Radial Load | (add) |
| Physical | |
| Weight | 1.87 oz52.9 gTop 10% |
| Shape | Boxed |
| Dimensions |
L 1.97 in W 1.26 in H 1.58 in L 50.0 mm W 32.0 mm H 40.0 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Cored |
| Motor Drive | (add) |
| Gears | Plastic |
| Gear Ratio | 32:1 |
| Gear Spline/Teeth | (add) |
| Shaft Size | (add) |
| Rotation Mode | Continuous |
| Rotation/Support | Bushing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | Bidirectional |
| Rotational Range | 360° |
| Mechanical Limit | 300° |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | Potentiometer |
| Control System | TTL / PWM |
| Programmable | Yes |
| Resolution | 1,024 pulse/rev |
| MCU | (add) |
| Operating Modes | Position, Velocity |
| Signal Voltage | 5V |
| Electrical & Environment | |
| Operating Voltage | 9–12 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -5–70 °C23–158 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | (add) |
| Wire Length | 200 mm7.87 in |
| Baud Rate | 7.8 Kbps–1 Mbps |
| Origin | |
| Country of Origin | (add) |
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
| Speed | Top 10% Faster than 100% of the 21 Digital Large servos at 9.0V |
| Weight | Top 10% Lighter than 97% of the 139 Digital Large servos |
| Stall Current | Below Average Lower draw than 21% of the 81 Digital Large servos |
Performance Analysis
| Torque Density | 0.0386 oz-in/g |
| Torque-to-Volume Ratio | 0.52 oz-in/in³ |
| Speed-to-Weight | 0.67513 (1/sec·g) 4th-highest speed-to-weight of 24 Dynamixel servos |
| Speed-Torque Trade-off | 0.06 |
| Current-per-Torque Ratio | 686.2750 A/oz-in |
| No-Load vs Stall Current Spread | 1,272.73 5th-highest no-load vs stall current spread of 23 Dynamixel servos |
| Speed Gain per Volt | 11.11%/V More voltage-responsive (speed) than 46% of the 70 Robotics servos in the database |
| Voltage Range Width | 3.0 V Wider voltage range than 47% of the 121 Digital Large servos in the database |
Notes
The AX-12W is a variant of the AX-12A specifically designed for higher speed wheel applications, featuring a lower gear ratio (32:1) compared to the standard AX-12A (254:1). It supports both Joint Mode (300 degree rotation) and Wheel Mode (endless rotation).
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