Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 902-0063-000 |
| Category | Robotics |
| Performance | |
| Torque |
12.0V28.32 oz-in2.04 kg-cm0.2 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 | 1.1–1.4 A1100–1400 mAAbove Average |
| Physical | |
| Weight | 1.87 oz52.9 gTop 10% |
| Shape | Boxed |
| Dimensions |
L 1.969 in W 1.26 in H 1.575 in L 50.0 mm W 32.0 mm H 40.0 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Cored |
| Gears | Plastic |
| Gear Ratio | 32:1 |
| Rotation Mode | Continuous |
| Rotation/Support | Bushing |
| Control & Signal | |
| Modulation | Digital |
| Direction | Bidirectional |
| Rotational Range | 360° |
| Mechanical Limit | 300° |
| Angle Sensor | Potentiometer |
| Control System | TTL / PWM |
| Programmable | Yes |
| Resolution | 1,024 pulse/rev |
| Operating Modes | Position, Velocity |
| Signal Voltage | 5V |
| Electrical & Environment | |
| Operating Voltage | 9–12 V |
| Temperature | -5–70 °C23–158 °F |
| Connectivity | |
| Connector | Molex |
| Wire Length | 200 mm7.87 in |
| Baud Rate | 7.8 Kbps–1 Mbps |
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 28 Digital Large servos at 9.0V |
| Weight | Top 10% Lighter than 97% of 144 Digital Large servos |
| Stall Current | Above Average Lower draw than 89% of 97 Digital Large servos |
Performance Analysis
| Shaft Power | 2.49 W |
| Power Density | 0.638 W/in³ More power-dense than 11% of 109 Digital Large servos |
| Torque Density | 0.5354 oz-in/g |
| Torque-to-Volume Ratio | 7.25 oz-in/in³ |
| Speed-to-Weight | 0.67513 (1/sec·g) 1st-highest speed-to-weight of 26 Digital Large servos |
| Speed-Torque Trade-off | 0.79 |
| Current-per-Torque Ratio | 0.0494 A/oz-in |
| No-Load vs Stall Current Spread | 1.27 2nd-highest no-load vs stall current spread of 23 Dynamixel servos |
| Speed Gain per Volt | 11.11%/V More voltage-responsive (speed) than 8% of 27 Large servos |
| Voltage Range Width | 3.0 V Wider voltage range than 46% of 131 Digital Large servos |
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).
Similar Active Servos
Reviews of Dynamixel AX-12W
Be the first to review!