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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | S04378840 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
333.30 oz-in
24.00 kg-cm
2.4 N-m
6.0V
277.75 oz-in
20.00 kg-cm
2.0 N-m
4.8V
222.20 oz-in
16.00 kg-cm
1.6 N-m
Average
|
| Speed |
7.4V
0.12 sec/60°
500.0 deg/s
83.3 RPM
6.0V
0.13 sec/60°
461.5 deg/s
76.9 RPM
4.8V
0.15 sec/60°
400.0 deg/s
66.7 RPM
Average
|
| Physical | |
| Weight | 2.48 oz70.2 gBelow Average |
| Dimensions |
L 1.57 in W 0.79 in H 1.45 in L 39.9 mm W 20.1 mm H 36.8 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 180° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 500-2500 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Water Rating | Waterproof |
| 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 | Average Stronger than 51% of 1060 Digital Standard servos at 4.8V |
| Speed | Average Faster than 39% of 1045 Digital Standard servos at 4.8V |
| Weight | Below Average Lighter than 33% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.74–5.14 W |
| Power Density | 2.856 W/in³ More power-dense than 58% of 1768 Digital Standard servos |
| Torque Density | 3.1652 oz-in/g Stronger than 45% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 123.55 oz-in/in³ Denser torque than 54% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.09497 (1/sec·g) Faster than 31% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 33.33 Better balanced than 56% of 1034 Digital Standard servos |
| Voltage Range Width | 3.6 V Wider voltage range than 80% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 77% of 504 Digital Standard servos |
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