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Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-0053 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
24.98 oz-in
1.80 kg-cm
0.2 N-m
6.0V
20.82 oz-in
1.50 kg-cm
0.1 N-m
3.8V
11.10 oz-in
0.80 kg-cm
0.1 N-m
Average
|
| Speed |
8.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
6.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
3.8V
0.12 sec/60°
500.0 deg/s
83.3 RPM
Below Average
|
| Stall Current | ≤0.58 A≤580 mA |
| Physical | |
| Weight | 0.21 oz6.0 gBelow Average |
| Dimensions |
L 0.787 in W 0.276 in H 0.654 in L 20.0 mm W 7.0 mm H 16.6 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 15 T |
| Rotation Mode | Positional |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1500 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Signal Voltage | 3-5V |
| Electrical & Environment | |
| Operating Voltage | 3.8–8.4 V |
| Temperature | -20–65 °C-4–149 °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 | Average Stronger than 64% of 29 Nano servos at 3.8V |
| Speed | Below Average Faster than 21% of 29 Nano servos at 3.8V |
| Weight | Below Average Lighter than 20% of 41 Digital Nano servos |
Performance Analysis
| Shaft Power | 0.17–0.66 W |
| Power Density | 4.653 W/in³ 5th-highest power density of 35 Digital Nano servos |
| Torque Density | 1.8500 oz-in/g Stronger than 14% of 74 KST servos |
| Torque-to-Volume Ratio | 78.27 oz-in/in³ Denser torque than 15% of 74 KST servos |
| Speed-to-Weight | 1.38889 (1/sec·g) 1st-highest speed-to-weight of 73 KST servos |
| Speed-Torque Trade-off | 1.33 Better balanced than 1% of 73 KST servos |
| Current-per-Torque Ratio | 0.0523 A/oz-in More efficient than 10% of 671 Hobby servos |
| Torque Gain per Volt | 27.18%/V 4th-highest torque gain per volt of 73 KST servos |
| Speed Gain per Volt | 15.53%/V More voltage-responsive (speed) than 52% of 72 KST servos |
| Voltage Range Width | 4.6 V 4th-highest voltage range width of 32 Digital Nano servos |
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