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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-0308 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
208.20 oz-in
14.99 kg-cm
1.5 N-m
7.4V
180.44 oz-in
12.99 kg-cm
1.3 N-m
6.0V
138.80 oz-in
9.99 kg-cm
1.0 N-m
Below Average
|
| Speed |
8.4V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
7.4V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
6.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
Top 10%
|
| Physical | |
| Weight | 1.59 oz45.0 gTop 10% |
| Dimensions |
L 1.398 in W 0.591 in H 1.398 in L 35.5 mm W 15.0 mm H 35.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T estimate |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 100° |
| Pulse Cycle | 1.7857 ms |
| Pulse Width | 450-1050 µs |
| Neutral Position | 760 µs |
| Refresh Rate | 560 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 |
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 | Below Average Stronger than 29% of 1043 Digital Standard servos at 6.0V |
| Speed | Top 10% Faster than 91% of 1041 Digital Standard servos at 6.0V |
| Weight | Top 10% Lighter than 92% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.67–7.70 W |
| Power Density | 6.674 W/in³ More power-dense than 89% of 1759 Digital Standard servos |
| Torque Density | 3.0844 oz-in/g Stronger than 43% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 120.32 oz-in/in³ Denser torque than 51% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.31746 (1/sec·g) Faster than 96% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 9.72 Better balanced than 13% of 1031 Digital Standard servos |
| Torque Gain per Volt | 20.83%/V More voltage-responsive (torque) than 84% of 850 Digital Standard servos |
| Speed Gain per Volt | 16.67%/V More voltage-responsive (speed) than 58% of 871 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 58% of 1539 Digital Standard servos |
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