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Technical Specifications
Last Updated: 2026-10-21
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | SERVO-KSTDS215MG |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
55.52 oz-in
4.00 kg-cm
0.4 N-m
7.4V
51.35 oz-in
3.70 kg-cm
0.4 N-m
6.0V
43.03 oz-in
3.10 kg-cm
0.3 N-m
Above Average
|
| Speed |
8.4V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
7.4V
0.06 sec/60°
1,090.9 deg/s
181.8 RPM
6.0V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
Top 10%
|
| 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 | Coreless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 140° |
| Pulse Cycle | 3.003 ms |
| Pulse Width | 800-2200 µs |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| Signal Voltage | 3.3–5.0V |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Power Source | 2S Li-Po / 2S Li-Fe |
| Temperature | -10–65 °C14–149 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| 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 | Above Average Stronger than 77% of 349 Digital Micro servos at 6.0V |
| Speed | Top 10% Faster than 97% of 347 Digital Micro servos at 6.0V |
| Weight | Below Average Lighter than 16% of 597 Digital Micro servos |
Performance Analysis
| Shaft Power | 1.33–2.05 W |
| Power Density | 4.433 W/in³ More power-dense than 77% of 563 Digital Micro servos |
| Torque Density | 2.1515 oz-in/g Stronger than 36% of 349 Digital Micro servos |
| Torque-to-Volume Ratio | 92.91 oz-in/in³ Denser torque than 67% of 345 Digital Micro servos |
| Speed-to-Weight | 0.83333 (1/sec·g) Faster than 62% of 347 Digital Micro servos |
| Speed-Torque Trade-off | 2.58 Better balanced than 37% of 345 Digital Micro servos |
| Torque Gain per Volt | 12.09%/V More voltage-responsive (torque) than 21% of 290 Digital Micro servos |
| Speed Gain per Volt | 8.33%/V More voltage-responsive (speed) than 5% of 295 Digital Micro servos |
| Voltage Range Width | 2.4 V Wider voltage range than 62% of 496 Digital Micro servos |
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Reviews (81)
Includes 81 reviews aggregated from around the web.
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