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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | RC-MKS-BLS990 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
48.61 oz-in
3.50 kg-cm
0.3 N-m
4.8V
38.88 oz-in
2.80 kg-cm
0.3 N-m
|
| Speed |
6.0V
0.03 sec/60°
1,818.2 deg/s
303.0 RPM
4.8V
0.04 sec/60°
1,463.4 deg/s
243.9 RPM
|
| Physical | |
| Weight | 2.43 oz69.0 gAverage |
| Dimensions |
L 1.575 in W 0.787 in H 1.575 in L 40.0 mm W 20.0 mm H 40.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | FET |
| Gears | Titanium |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Pulse Cycle | 1.7857 ms |
| Neutral Position | 1520 µs |
| Dead Band | 1 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Programmable | No |
| Electrical & Environment | |
| Operating Voltage | 4–6 V |
| Temperature | -10–60 °C14–140 °F |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 240 mm9.45 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 | Average Lighter than 36% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.75–2.72 W |
| Power Density | 1.395 W/in³ More power-dense than 29% of 1759 Digital Standard servos |
| Torque Density | 0.5635 oz-in/g |
| Torque-to-Volume Ratio | 19.92 oz-in/in³ |
| Speed-to-Weight | 0.35348 (1/sec·g) |
| Speed-Torque Trade-off | 1.59 |
| Voltage Range Width | 2.0 V Wider voltage range than 41% of 1539 Digital Standard servos |
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