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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 39370 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
347.00 oz-in
24.99 kg-cm
2.5 N-m
6.0V
347.00 oz-in
24.99 kg-cm
2.5 N-m
Above Average
|
| Speed |
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Above Average
|
| Stall Current | ≤2.1 A≤2100 mAAbove Average |
| Physical | |
| Weight | 2.40 oz68.0 gAverage |
| Dimensions |
L 1.57 in W 0.79 in H 1.50 in L 39.9 mm W 20.1 mm H 38.1 mm |
| Case Material | Plastic / Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | FET |
| Gears | Titanium |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 120° |
| Pulse Width | 700-2300 µs |
| Neutral Position | 1500 µs |
| Dead Band | 1 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Signal Voltage | 3-5V |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | Splashproof |
| Idle Current | 0.027 A27 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 300 mm11.81 in |
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 76% of 1060 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 67% of 1045 Digital Standard servos at 6.0V |
| Weight | Average Lighter than 39% of 1880 Digital Standard servos |
| Stall Current | Above Average Lower draw than 86% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 5.35–6.42 W |
| Power Density | 3.449 W/in³ More power-dense than 65% of 1768 Digital Standard servos |
| Torque Density | 5.1029 oz-in/g Stronger than 79% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 186.51 oz-in/in³ Denser torque than 78% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.12255 (1/sec·g) Faster than 56% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 41.64 Better balanced than 67% of 1034 Digital Standard servos |
| Current-per-Torque Ratio | 0.0061 A/oz-in More efficient than 97% of 331 Digital Standard servos |
| Torque Gain per Volt | 0.00%/V More voltage-responsive (torque) than 0% of 873 Digital Standard servos |
| Speed Gain per Volt | 14.29%/V More voltage-responsive (speed) than 42% of 874 Digital Standard servos |
| Voltage Range Width | 1.4 V Wider voltage range than 33% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0006 Finer dead band than 93% of 504 Digital Standard servos |
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Reviews (4)
Includes 4 reviews aggregated from around the web.
There are few reviews for this servo on the web. An eBay listing shows 3 ratings of 5 stars, and a Reddit post describes odd behavior in a robotics mechanism, which may be a wiring or power issue.
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