Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-07-28
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
100.01 oz-in
7.20 kg-cm
0.7 N-m
4.8V
88.90 oz-in
6.40 kg-cm
0.6 N-m
Below Average
|
| Speed |
6.0V
0.10 sec/60°
600.0 deg/s
100.0 RPM
4.8V
0.13 sec/60°
461.5 deg/s
76.9 RPM
Average
|
| Physical | |
| Weight | 1.80 oz51.0 gAbove Average |
| Dimensions |
L 1.59 in W 0.79 in H 1.50 in L 40.5 mm W 20.0 mm H 38.0 mm |
| Drivetrain | |
| Gears | Metal |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Origin | |
| Country of Origin | Taiwan |
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 | Below Average Stronger than 18% of 844 Digital Standard servos at 4.8V |
| Speed | Average Faster than 52% of 832 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 83% of 1818 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.26–1.85 W |
| Power Density | 0.985 W/in³ More power-dense than 18% of 1645 Digital Standard servos |
| Torque Density | 1.7431 oz-in/g Stronger than 19% of 833 Digital Standard servos |
| Torque-to-Volume Ratio | 47.37 oz-in/in³ Denser torque than 15% of 844 Digital Standard servos |
| Speed-to-Weight | 0.15083 (1/sec·g) Faster than 69% of 822 Digital Standard servos |
| Speed-Torque Trade-off | 11.56 Better balanced than 20% of 827 Digital Standard servos |
| Torque Gain per Volt | 10.41%/V More voltage-responsive (torque) than 20% of 674 Digital Standard servos |
| Speed Gain per Volt | 25.01%/V More voltage-responsive (speed) than 95% of 688 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 10% of 1271 Digital Standard servos |
Similar Active Servos
Reviews of Blue Bird BMS-621DMG+HS
Be the first to review!