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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-0305 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
187.38 oz-in
13.49 kg-cm
1.3 N-m
7.4V
166.56 oz-in
11.99 kg-cm
1.2 N-m
6.0V
136.03 oz-in
9.80 kg-cm
1.0 N-m
Below 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
0.10 sec/60°
600.0 deg/s
100.0 RPM
Above Average
|
| Physical | |
| Weight | 1.41 oz40.0 gTop 10% |
| Dimensions |
L 1.398 in W 0.591 in H 1.28 in L 35.5 mm W 15.0 mm H 32.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 100° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 900-2100 µs |
| Dead Band | 2 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -20–65 °C-4–149 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| 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 | Below Average Stronger than 29% of 1043 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 76% of 1041 Digital Standard servos at 6.0V |
| Weight | Top 10% Lighter than 95% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 2.52–4.95 W |
| Power Density | 4.686 W/in³ More power-dense than 76% of 1759 Digital Standard servos |
| Torque Density | 3.4008 oz-in/g Stronger than 49% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 128.80 oz-in/in³ Denser torque than 56% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.25000 (1/sec·g) Faster than 91% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 13.60 Better balanced than 22% of 1031 Digital Standard servos |
| Torque Gain per Volt | 15.73%/V More voltage-responsive (torque) than 50% of 850 Digital Standard servos |
| Speed Gain per Volt | 17.85%/V More voltage-responsive (speed) than 64% of 871 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 59% of 1539 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0017 Finer dead band than 43% of 468 Digital Standard servos |
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