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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 39485 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
361.00 oz-in
25.99 kg-cm
2.5 N-m
6.0V
361.00 oz-in
25.99 kg-cm
2.5 N-m
|
| Speed |
7.4V
0.15 sec/60°
400.0 deg/s
66.7 RPM
6.0V
0.18 sec/60°
333.3 deg/s
55.6 RPM
|
| Running Current |
7.4V
0.430 A
430 mA
6.0V
0.360 A
360 mA
|
| Stall Current | 1.1–1.3 A1100–1300 mATop 10% |
| Physical | |
| Weight | 2.19 oz62.0 gAverage |
| Dimensions |
L 1.57 in W 0.78 in H 1.45 in L 39.9 mm W 19.8 mm H 36.8 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | MOS |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 120° |
| Pulse Width | 900-2100 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 | 4–8.4 V |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | IP54 |
| Idle Current | 0.030 A30 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
| Weight | Average Lighter than 54% of 1880 Digital Standard servos |
| Stall Current | Top 10% Lower draw than 95% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.71–4.45 W |
| Power Density | 2.506 W/in³ More power-dense than 52% of 1768 Digital Standard servos |
| Torque Density | 5.8226 oz-in/g |
| Torque-to-Volume Ratio | 203.30 oz-in/in³ |
| Speed-to-Weight | 0.08961 (1/sec·g) |
| Speed-Torque Trade-off | 64.99 |
| Current-per-Torque Ratio | 0.0036 A/oz-in |
| Idle-to-Running Current Ratio | 0.083 |
| No-Load vs Stall Current Spread | 3.61 |
| Voltage Range Width | 4.4 V Wider voltage range than 95% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0008 Finer dead band than 90% of 504 Digital Standard servos |
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