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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | KST-X12-708 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
129.08 oz-in
9.29 kg-cm
0.9 N-m
7.4V
119.37 oz-in
8.60 kg-cm
0.8 N-m
6.0V
87.45 oz-in
6.30 kg-cm
0.6 N-m
|
| 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
0.09 sec/60°
666.7 deg/s
111.1 RPM
|
| Physical | |
| Weight | 0.71 oz20.0 gBelow Average |
| Dimensions |
L 0.906 in W 0.472 in H 1.083 in L 23.0 mm W 12.0 mm H 27.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| 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 |
| Neutral Position | 1520 µs |
| Dead Band | 1 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Signal Voltage | 3.3–5V |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Temperature | -20–65 °C-4–149 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 210 mm8.27 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
| Weight | Below Average Lighter than 19% of 665 Digital Micro servos |
Performance Analysis
| Shaft Power | 1.80–3.41 W |
| Power Density | 7.362 W/in³ More power-dense than 91% of 625 Digital Micro servos |
| Torque Density | 4.3725 oz-in/g |
| Torque-to-Volume Ratio | 188.82 oz-in/in³ |
| Speed-to-Weight | 0.55556 (1/sec·g) |
| Speed-Torque Trade-off | 7.87 |
| Voltage Range Width | 3.6 V Wider voltage range than 88% of 553 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0008 Finer dead band than 89% of 220 Digital Micro servos |
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Reviews (1)
Includes 1 review aggregated from around the web.
There are very few reviews for this servo on the web. Reddit users say it is a near copy of the Axon Micro+, and one suspects the Axon is higher quality.
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