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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | PHD040 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
173.59 oz-in
12.50 kg-cm
1.2 N-m
6.0V
131.93 oz-in
9.50 kg-cm
0.9 N-m
Average
|
| Speed |
7.4V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
6.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
Above Average
|
| Physical | |
| Weight | 1.94 oz55.0 gAverage |
| Dimensions |
L 1.61 in W 0.79 in H 1.04 in L 40.9 mm W 20.1 mm H 26.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium / Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Pulse Cycle | 3.003 ms |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Temperature | -10–60 °C14–140 °F |
| Connectivity | |
| Connector | JR (Universal) |
| 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 | Average Stronger than 35% of 186 Digital Low Profile servos at 6.0V |
| Speed | Above Average Faster than 86% of 183 Digital Low Profile servos at 6.0V |
| Weight | Average Lighter than 36% of 304 Digital Low Profile servos |
Performance Analysis
| Shaft Power | 3.48–5.35 W |
| Power Density | 4.044 W/in³ More power-dense than 56% of 273 Digital Low Profile servos |
| Torque Density | 2.3987 oz-in/g Stronger than 30% of 185 Digital Low Profile servos |
| Torque-to-Volume Ratio | 99.74 oz-in/in³ Denser torque than 38% of 186 Digital Low Profile servos |
| Speed-to-Weight | 0.25974 (1/sec·g) Faster than 78% of 182 Digital Low Profile servos |
| Speed-Torque Trade-off | 9.24 Better balanced than 21% of 183 Digital Low Profile servos |
| Torque Gain per Volt | 22.56%/V More voltage-responsive (torque) than 93% of 164 Digital Low Profile servos |
| Speed Gain per Volt | 11.91%/V More voltage-responsive (speed) than 32% of 163 Digital Low Profile servos |
| Voltage Range Width | 1.4 V Wider voltage range than 25% of 276 Digital Low Profile servos |
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Reviews (3)
Includes 3 reviews aggregated from around the web.
There are very few reviews for this servo on the web. An RC Tech forum member recommends it for touring cars when you want more speed, torque and reliability than a basic servo.
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