Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FUTM0139 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
7.4V
292.00 oz-in
21.03 kg-cm
2.1 N-m
6.6V
270.00 oz-in
19.44 kg-cm
1.9 N-m
6.0V
250.00 oz-in
18.00 kg-cm
1.8 N-m
Average
|
| Speed |
7.4V
0.12 sec/60°
500.0 deg/s
83.3 RPM
6.6V
0.13 sec/60°
461.5 deg/s
76.9 RPM
6.0V
0.15 sec/60°
400.0 deg/s
66.7 RPM
Average
|
| Physical | |
| Weight | 2.33 oz66.0 gAverage |
| Dimensions |
L 1.575 in W 0.787 in H 1.449 in L 40.0 mm W 20.0 mm H 36.8 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Metal |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Angle Sensor | Potentiometer |
| Control System | SBUS2 |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–7.4 V |
| Power Source | DC |
| Connectivity | |
| Connector | Futaba J |
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 | Average Stronger than 58% of 1043 Digital Standard servos at 6.0V |
| Speed | Average Faster than 41% of 1041 Digital Standard servos at 6.0V |
| Weight | Average Lighter than 41% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 3.08–4.50 W |
| Power Density | 2.505 W/in³ More power-dense than 52% of 1759 Digital Standard servos |
| Torque Density | 3.7879 oz-in/g Stronger than 54% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 139.19 oz-in/in³ Denser torque than 59% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.10101 (1/sec·g) Faster than 36% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 37.50 Better balanced than 61% of 1031 Digital Standard servos |
| Torque Gain per Volt | 12.00%/V More voltage-responsive (torque) than 29% of 850 Digital Standard servos |
| Speed Gain per Volt | 17.86%/V More voltage-responsive (speed) than 66% of 871 Digital Standard servos |
| Voltage Range Width | 1.4 V Wider voltage range than 35% of 1539 Digital Standard servos |
Similar Active Servos
Reviews of Futaba BLS175SV
Be the first to review!