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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | RC-MKS-DS1220 |
| Category | Hobby |
| Performance | |
| Torque |
6.8V
422.18 oz-in
30.40 kg-cm
3.0 N-m
6.6V
422.18 oz-in
30.40 kg-cm
3.0 N-m
6.0V
345.80 oz-in
24.90 kg-cm
2.4 N-m
|
| Speed |
6.8V
0.14 sec/60°
428.6 deg/s
71.4 RPM
6.6V
0.14 sec/60°
428.6 deg/s
71.4 RPM
6.0V
0.16 sec/60°
377.4 deg/s
62.9 RPM
4.8V
0.16 sec/60°
377.4 deg/s
62.9 RPM
Average
|
| Stall Current | 4.1–4.6 A4100–4600 mABelow Average |
| Physical | |
| Weight | 2.04 oz57.7 gAbove Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.457 in L 40.0 mm W 20.0 mm H 37.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Motor Drive | FET |
| Gears | Titanium |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 3.003 ms |
| Neutral Position | 1520 µs |
| Dead Band | 0.8 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 4.8–6.6 V |
| Temperature | -10–60 °C14–140 °F |
| Water Rating | Waterproof |
| 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
| Speed | Average Faster than 36% of 1041 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 67% of 1902 Digital Standard servos |
| Stall Current | Below Average Lower draw than 30% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 4.02–5.58 W |
| Power Density | 3.087 W/in³ More power-dense than 60% of 1759 Digital Standard servos |
| Torque Density | 5.9931 oz-in/g |
| Torque-to-Volume Ratio | 191.44 oz-in/in³ |
| Speed-to-Weight | 0.10900 (1/sec·g) Faster than 44% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 54.98 |
| Current-per-Torque Ratio | 0.0133 A/oz-in |
| Speed Gain per Volt | 7.54%/V More voltage-responsive (speed) than 7% of 871 Digital Standard servos |
| Voltage Range Width | 1.8 V Wider voltage range than 39% of 1539 Digital Standard servos |
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