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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | S151 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
347.20 oz-in
25.00 kg-cm
2.5 N-m
6.0V
277.70 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
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
4.8V
0.17 sec/60°
352.9 deg/s
58.8 RPM
Below Average
|
| Physical | |
| Weight | 1.76 oz50.0 gAbove Average |
| Dimensions |
L 1.57 in W 0.79 in H 1.34 in L 39.9 mm W 20.1 mm H 34.0 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Mechanical Limit | 45° |
| Pulse Width | 1100-1900 µs |
| Neutral Position | 1500 µs |
| Dead Band | 1 µs |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 4.8–7.4 V |
| Origin | |
| Country of Origin | South Korea |
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 1055 Digital Standard servos at 4.8V |
| Speed | Below Average Faster than 27% of 1038 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 86% of 1872 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.42–6.42 W |
| Power Density | 3.863 W/in³ More power-dense than 70% of 1762 Digital Standard servos |
| Torque Density | 4.4440 oz-in/g Stronger than 70% of 1048 Digital Standard servos |
| Torque-to-Volume Ratio | 133.69 oz-in/in³ Denser torque than 59% of 1053 Digital Standard servos |
| Speed-to-Weight | 0.11765 (1/sec·g) Faster than 53% of 1031 Digital Standard servos |
| Speed-Torque Trade-off | 37.78 Better balanced than 61% of 1029 Digital Standard servos |
| Torque Gain per Volt | 21.64%/V More voltage-responsive (torque) than 87% of 868 Digital Standard servos |
| Speed Gain per Volt | 26.93%/V More voltage-responsive (speed) than 97% of 868 Digital Standard servos |
| Voltage Range Width | 2.6 V Wider voltage range than 67% of 1552 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0013 Finer dead band than 59% of 501 Digital Standard servos |
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