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Technical Specifications
Last Updated: 2026-10-23
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
|
| 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 / Plastic |
| 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 | 3.8–6.8 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
| Weight | Above Average Lighter than 67% of 1872 Digital Standard servos |
| Stall Current | Below Average Lower draw than 30% of 569 Digital Standard servos |
Performance Analysis
| Shaft Power | 4.02–5.58 W |
| Power Density | 3.087 W/in³ More power-dense than 61% of 1762 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) |
| Speed-Torque Trade-off | 54.98 |
| Current-per-Torque Ratio | 0.0133 A/oz-in |
| Voltage Range Width | 3.0 V Wider voltage range than 68% of 1552 Digital Standard servos |
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Reviews (5)
Includes 5 reviews aggregated from around the web.
There are very few reviews for this servo on the web. One jet flyer uses it in A123-powered models and says it works great, with more power than a JR 8411 at a lower price.
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