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Technical Specifications
Last Updated: 2026-10-24
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KSTX08N |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
38.87 oz-in
2.80 kg-cm
0.3 N-m
7.4V
37.50 oz-in
2.70 kg-cm
0.3 N-m
6.0V
30.53 oz-in
2.20 kg-cm
0.2 N-m
3.8V
19.43 oz-in
1.40 kg-cm
0.1 N-m
Below Average
|
| Speed |
8.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
7.4V
0.12 sec/60°
500.0 deg/s
83.3 RPM
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
3.8V
0.18 sec/60°
333.3 deg/s
55.6 RPM
Bottom 10%
|
| Physical | |
| Weight | 0.28 oz8.0 gAbove Average |
| Dimensions |
L 0.925 in W 0.315 in H 0.661 in L 23.5 mm W 8.0 mm H 16.8 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 Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 1 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 3.8–8.4 V |
| Temperature | -5–65 °C23–149 °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 23% of 349 Digital Micro servos at 3.8V |
| Speed | Bottom 10% Faster than 8% of 347 Digital Micro servos at 3.8V |
| Weight | Above Average Lighter than 75% of 597 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.20–0.80 W |
| Power Density | 4.143 W/in³ More power-dense than 73% of 563 Digital Micro servos |
| Torque Density | 2.4288 oz-in/g Stronger than 48% of 349 Digital Micro servos |
| Torque-to-Volume Ratio | 100.80 oz-in/in³ Denser torque than 71% of 345 Digital Micro servos |
| Speed-to-Weight | 0.69444 (1/sec·g) Faster than 46% of 347 Digital Micro servos |
| Speed-Torque Trade-off | 3.50 Better balanced than 55% of 345 Digital Micro servos |
| Torque Gain per Volt | 21.75%/V More voltage-responsive (torque) than 79% of 290 Digital Micro servos |
| Speed Gain per Volt | 21.75%/V More voltage-responsive (speed) than 74% of 295 Digital Micro servos |
| Voltage Range Width | 4.6 V Wider voltage range than 95% of 496 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0010 Finer dead band than 73% of 182 Digital Micro servos |
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