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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 1061 Digital Standard servos at 4.8V |
| Speed | Below Average Faster than 27% of 1044 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 86% of 1879 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.42–6.42 W |
| Power Density | 3.863 W/in³ More power-dense than 70% of 1768 Digital Standard servos |
| Torque Density | 4.4440 oz-in/g Stronger than 70% of 1054 Digital Standard servos |
| Torque-to-Volume Ratio | 133.69 oz-in/in³ Denser torque than 59% of 1059 Digital Standard servos |
| Speed-to-Weight | 0.11765 (1/sec·g) Faster than 53% of 1037 Digital Standard servos |
| Speed-Torque Trade-off | 37.78 Better balanced than 61% of 1035 Digital Standard servos |
| Torque Gain per Volt | 21.64%/V More voltage-responsive (torque) than 87% of 873 Digital Standard servos |
| Speed Gain per Volt | 26.93%/V More voltage-responsive (speed) than 97% of 873 Digital Standard servos |
| Voltage Range Width | 2.6 V Wider voltage range than 67% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0013 Finer dead band than 60% of 496 Digital Standard servos |
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