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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | PHD084 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
972.30 oz-in
70.01 kg-cm
6.9 N-m
7.4V
833.40 oz-in
60.01 kg-cm
5.9 N-m
6.0V
763.95 oz-in
55.01 kg-cm
5.4 N-m
Top 10%
|
| Speed |
8.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
7.4V
0.12 sec/60°
500.0 deg/s
83.3 RPM
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
Average
|
| Running Current |
7.4V
0.400 A
400 mA
6.0V
0.400 A
400 mA
Below Average
|
| Stall Current | 3.2–3.7 A3200–3700 mAAverage |
| Physical | |
| Weight | 5.71 oz162.0 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 | Brass |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 90° |
| Mechanical Limit | 180° |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 1500 Hz |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -10–60 °C14–140 °F |
| Water Rating | IP67 |
| Idle Current | 0.080 A80 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 350 mm13.78 in |
| Origin | |
| Country of Origin | Hong Kong |
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 | Top 10% Stronger than 99% of 1060 Digital Standard servos at 6.0V |
| Speed | Average Faster than 41% of 1045 Digital Standard servos at 6.0V |
| Weight | Bottom 10% Lighter than 0% of 1880 Digital Standard servos |
| Running Current | Below Average Lower draw than 24% of 226 Digital Standard servos at 6.0V |
| Stall Current | Average Lower draw than 41% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 9.42–17.98 W |
| Power Density | 9.126 W/in³ More power-dense than 97% of 1768 Digital Standard servos |
| Torque Density | 4.7157 oz-in/g Stronger than 74% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 387.81 oz-in/in³ Denser torque than 99% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.04115 (1/sec·g) Faster than 0% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 114.59 Better balanced than 98% of 1034 Digital Standard servos |
| Current-per-Torque Ratio | 0.0048 A/oz-in 5th-highest current-per-torque ratio of 331 Digital Standard servos |
| Idle-to-Running Current Ratio | 0.200 Lower idle draw than 15% of 167 Digital Standard servos |
| No-Load vs Stall Current Spread | 9.25 Narrower current spread than 76% of 179 Digital Standard servos |
| Torque Gain per Volt | 11.36%/V More voltage-responsive (torque) than 24% of 873 Digital Standard servos |
| Speed Gain per Volt | 20.83%/V More voltage-responsive (speed) than 81% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 55% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0017 Finer dead band than 44% of 504 Digital Standard servos |
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Reviews (1)
Includes 1 review aggregated from around the web.
There are very few reviews for this servo on the web. An Indonesian video reviewer tested it as a solid brushless servo for crawler competition and adventure use.
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