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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-DS725MG |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
249.84 oz-in
17.99 kg-cm
1.8 N-m
7.4V
222.08 oz-in
15.99 kg-cm
1.6 N-m
6.0V
180.44 oz-in
12.99 kg-cm
1.3 N-m
Average
|
| Speed |
8.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
7.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
6.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
Above Average
|
| Physical | |
| Weight | 2.47 oz70.0 gAverage |
| Dimensions |
L 1.595 in W 0.787 in H 1.457 in L 40.5 mm W 20.0 mm H 37.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 100° |
| Mechanical Limit | 100° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -10–65 °C14–149 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 325 mm12.8 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 40% of 1060 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 84% of 1045 Digital Standard servos at 6.0V |
| Weight | Average Lighter than 35% of 1880 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.71–6.60 W |
| Power Density | 3.608 W/in³ More power-dense than 68% of 1768 Digital Standard servos |
| Torque Density | 2.5777 oz-in/g Stronger than 34% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 98.66 oz-in/in³ Denser torque than 42% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.15873 (1/sec·g) Faster than 77% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 16.24 Better balanced than 27% of 1034 Digital Standard servos |
| Torque Gain per Volt | 16.03%/V More voltage-responsive (torque) than 52% of 873 Digital Standard servos |
| Speed Gain per Volt | 11.90%/V More voltage-responsive (speed) than 27% of 874 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 58% of 1560 Digital Standard servos |
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