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Technical Specifications
Last Updated: 2026-07-28
|
Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | CYS-BLS5120 |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
277.75 oz-in
20.00 kg-cm
2.0 N-m
6.0V
249.97 oz-in
18.00 kg-cm
1.8 N-m
|
| Speed |
7.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
6.0V
0.10 sec/60°
600.0 deg/s
100.0 RPM
|
| Running Current | (add) |
| Stall Current | 3.4–3.4 A3400–3400 mA |
| Physical | |
| Weight | 2.26 oz64.0 g |
| Dimensions |
L 1.59 in W 0.80 in H 1.54 in L 40.3 mm W 20.3 mm H 39.2 mm |
| Case Material | (add) |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | (add) |
| Gears | Titanium |
| Gear Spline/Teeth | 25 T |
| Shaft Size | (add) |
| Rotation Mode | (add) |
| Rotation/Support | Dual Bearings |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | 1000-2000 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Refresh Rate | (add) |
| Angle Sensor | (add) |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Power Source | (add) |
| Regulator Type | (add) |
| Temperature | -10–50 °C14–122 °F |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | 5.000 A5,000 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.
Performance Analysis
| Shaft Power | 4.62–6.42 W |
| Torque Density | 3.9058 oz-in/g Stronger than 60% of the 831 Digital Standard servos in the database |
| Torque-to-Volume Ratio | 127.76 oz-in/in³ Denser torque than 57% of the 842 Digital Standard servos in the database |
| Power Density | 3.281 W/in³ More power-dense than 63% of the 1643 Digital Standard servos in the database |
| Speed-to-Weight | 0.15625 (1/sec·g) Faster than 72% of the 820 Digital Standard servos in the database |
| Speed-Torque Trade-off | 25.00 Better balanced than 47% of the 825 Digital Standard servos in the database |
| Current-per-Torque Ratio | 0.0136 A/oz-in More efficient than 59% of the 230 Digital Standard servos in the database |
| Torque Gain per Volt | 7.94%/V More voltage-responsive (torque) than 12% of the 672 Digital Standard servos in the database |
| Speed Gain per Volt | 17.86%/V More voltage-responsive (speed) than 67% of the 686 Digital Standard servos in the database |
| Voltage Range Width | 1.4 V Wider voltage range than 36% of the 1268 Digital Standard servos in the database |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 37% of the 326 Digital Standard servos in the database |
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