Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-BLS9125 |
| Category | Hobby |
| Performance | |
| Torque |
7.2V
347.18 oz-in
25.00 kg-cm
2.5 N-m
6.0V
319.41 oz-in
23.00 kg-cm
2.3 N-m
Above Average
|
| Speed |
7.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
Above Average
|
| Running Current |
7.4V
0.150 A
150 mA
6.0V
0.120 A
120 mA
Above Average
|
| Stall Current | 3.4–3.4 A3400–3400 mAAverage |
| Physical | |
| Weight | 2.89 oz82.0 gBottom 10% |
| Dimensions |
L 1.575 in W 0.787 in H 1.63 in L 40.0 mm W 20.0 mm H 41.4 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 90° |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Temperature | -10–50 °C14–122 °F |
| Idle Current | 0.020 A20 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 300 mm11.81 in |
| 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 71% of 1043 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 71% of 1041 Digital Standard servos at 6.0V |
| Weight | Bottom 10% Lighter than 7% of 1902 Digital Standard servos |
| Running Current | Above Average Lower draw than 80% of 173 Digital Standard servos at 6.0V |
| Stall Current | Average Lower draw than 45% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 5.37 W |
| Power Density | 2.657 W/in³ More power-dense than 54% of 1759 Digital Standard servos |
| Torque Density | 3.8952 oz-in/g Stronger than 57% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 158.09 oz-in/in³ Denser torque than 66% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.11087 (1/sec·g) Faster than 46% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 35.13 Better balanced than 58% of 1031 Digital Standard servos |
| Current-per-Torque Ratio | 0.0106 A/oz-in More efficient than 75% of 315 Digital Standard servos |
| Idle-to-Running Current Ratio | 0.167 Lower idle draw than 32% of 112 Digital Standard servos |
| No-Load vs Stall Current Spread | 28.33 Narrower current spread than 30% of 132 Digital Standard servos |
| Speed Gain per Volt | 15.87%/V More voltage-responsive (speed) than 52% of 871 Digital Standard servos |
| Voltage Range Width | 1.4 V Wider voltage range than 34% of 1539 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 29% of 468 Digital Standard servos |
Similar Active Servos
Reviews of CYS BLS9125
Be the first to review!