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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-A08N |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
44.42 oz-in
3.20 kg-cm
0.3 N-m
7.4V
38.87 oz-in
2.80 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
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.13 sec/60°
461.5 deg/s
76.9 RPM
3.8V
0.20 sec/60°
300.0 deg/s
50.0 RPM
Bottom 10%
|
| Physical | |
| Weight | 0.25 oz7.0 gAbove Average |
| Dimensions |
L 0.925 in W 0.315 in H 0.748 in L 23.5 mm W 8.0 mm H 19.0 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 |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 3.8–8.4 V |
| Power Source | LiPo |
| Temperature | -20–65 °C-4–149 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 150 mm5.91 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 24% of 328 Digital Micro servos at 3.8V |
| Speed | Bottom 10% Faster than 3% of 328 Digital Micro servos at 3.8V |
| Weight | Above Average Lighter than 77% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.18–0.91 W |
| Power Density | 4.186 W/in³ More power-dense than 72% of 590 Digital Micro servos |
| Torque Density | 2.7757 oz-in/g Stronger than 61% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 89.13 oz-in/in³ Denser torque than 64% of 327 Digital Micro servos |
| Speed-to-Weight | 0.71429 (1/sec·g) Faster than 49% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 3.89 Better balanced than 65% of 327 Digital Micro servos |
| Torque Gain per Volt | 27.96%/V More voltage-responsive (torque) than 92% of 268 Digital Micro servos |
| Speed Gain per Volt | 26.57%/V More voltage-responsive (speed) than 90% of 273 Digital Micro servos |
| Voltage Range Width | 4.6 V Wider voltage range than 93% of 511 Digital Micro servos |
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