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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-0818 |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
41.64 oz-in
3.00 kg-cm
0.3 N-m
4.8V
34.70 oz-in
2.50 kg-cm
0.2 N-m
Average
|
| Speed |
6.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
4.8V
0.08 sec/60°
750.0 deg/s
125.0 RPM
Above Average
|
| Physical | |
| Weight | 0.58 oz16.5 gBelow Average |
| Dimensions |
L 0.906 in W 0.472 in H 0.965 in L 23.0 mm W 12.0 mm H 24.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -10–50 °C14–122 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 210 mm8.27 in |
| Origin | |
| Country of Origin | China |
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 62% of 363 Digital Micro servos at 4.8V |
| Speed | Above Average Faster than 83% of 361 Digital Micro servos at 4.8V |
| Weight | Below Average Lighter than 27% of 665 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.80–1.10 W |
| Power Density | 2.666 W/in³ More power-dense than 61% of 625 Digital Micro servos |
| Torque Density | 2.1030 oz-in/g Stronger than 36% of 363 Digital Micro servos |
| Torque-to-Volume Ratio | 84.10 oz-in/in³ Denser torque than 60% of 359 Digital Micro servos |
| Speed-to-Weight | 0.75758 (1/sec·g) Faster than 58% of 361 Digital Micro servos |
| Speed-Torque Trade-off | 2.78 Better balanced than 39% of 358 Digital Micro servos |
| Torque Gain per Volt | 16.67%/V More voltage-responsive (torque) than 46% of 302 Digital Micro servos |
| Speed Gain per Volt | 11.90%/V More voltage-responsive (speed) than 16% of 305 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 19% of 553 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0017 Finer dead band than 41% of 220 Digital Micro servos |
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