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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | HB7525GS |
| Category | Hobby |
| Performance | |
| Torque |
7.4V
291.69 oz-in
21.00 kg-cm
2.1 N-m
6.0V
250.02 oz-in
18.00 kg-cm
1.8 N-m
Average
|
| Speed |
7.4V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
6.0V
0.08 sec/60°
750.0 deg/s
125.0 RPM
Above Average
|
| Running Current |
7.4V
5.000 A
5,000 mA
6.0V
3.500 A
3,500 mA
Bottom 10%
|
| Stall Current | 0.3–5 A300–5000 mABelow Average |
| Physical | |
| Weight | 2.65 oz75.0 gBelow Average |
| Dimensions |
L 1.575 in W 0.787 in H 1.594 in L 40.0 mm W 20.0 mm H 40.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Brushless |
| Motor Drive | MOS |
| Gears | Metal |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 180° |
| Mechanical Limit | 180° |
| Neutral Position | 1500 µs |
| Dead Band | 1 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -20–60 °C-4–140 °F |
| Water Rating | Waterproof |
| Idle Current | 0.300 A300 mA |
| Connectivity | |
| Connector | JR (Universal) |
| 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 | Average Stronger than 59% of 1043 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 87% of 1041 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 20% of 1902 Digital Standard servos |
| Running Current | Bottom 10% Lower draw than 8% of 173 Digital Standard servos at 6.0V |
| Stall Current | Below Average Lower draw than 25% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 5.78–8.99 W |
| Power Density | 4.549 W/in³ More power-dense than 75% of 1759 Digital Standard servos |
| Torque Density | 3.3336 oz-in/g Stronger than 48% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 126.54 oz-in/in³ Denser torque than 54% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.16667 (1/sec·g) Faster than 78% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 20.00 Better balanced than 36% of 1031 Digital Standard servos |
| Current-per-Torque Ratio | 0.0200 A/oz-in More efficient than 32% of 315 Digital Standard servos |
| Idle-to-Running Current Ratio | 0.086 Lower idle draw than 46% of 112 Digital Standard servos |
| No-Load vs Stall Current Spread | 1.43 Narrower current spread than 89% of 132 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 52% of 1539 Digital Standard servos |
Notes
Also comes in a 180 or 270 degree version.
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