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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | PHD031 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
555.60 oz-in
40.01 kg-cm
3.9 N-m
7.4V
486.15 oz-in
35.01 kg-cm
3.4 N-m
6.0V
402.81 oz-in
29.01 kg-cm
2.8 N-m
Above Average
|
| Speed |
8.4V
0.17 sec/60°
352.9 deg/s
58.8 RPM
7.4V
0.18 sec/60°
333.3 deg/s
55.6 RPM
6.0V
0.20 sec/60°
300.0 deg/s
50.0 RPM
Bottom 10%
|
| Physical | |
| Weight | 2.89 oz82.0 gBottom 10% |
| Dimensions |
L 1.60 in W 0.81 in H 1.52 in L 40.6 mm W 20.6 mm H 38.6 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 90° |
| Pulse Cycle | 3.003 ms |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | Waterproof |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Origin | |
| Country of Origin | China |
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
| Torque | Above Average Stronger than 84% of 1043 Digital Standard servos at 6.0V |
| Speed | Bottom 10% Faster than 10% of 1041 Digital Standard servos at 6.0V |
| Weight | Bottom 10% Lighter than 7% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.72–6.04 W |
| Power Density | 3.068 W/in³ More power-dense than 60% of 1759 Digital Standard servos |
| Torque Density | 4.9123 oz-in/g Stronger than 76% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 204.48 oz-in/in³ Denser torque than 82% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.06098 (1/sec·g) Faster than 2% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 80.56 Better balanced than 92% of 1031 Digital Standard servos |
| Torque Gain per Volt | 15.80%/V More voltage-responsive (torque) than 51% of 850 Digital Standard servos |
| Speed Gain per Volt | 7.35%/V More voltage-responsive (speed) than 7% of 871 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 54% of 1539 Digital Standard servos |
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