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Technical Specifications
Last Updated: 2026-10-25
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 | Clockwise |
| Rotational Range | 60° |
| Mechanical Limit | 180° |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1500 µs |
| Dead Band | 1 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | Yes |
| 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 | JST |
| 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 60% of 1060 Digital Standard servos at 6.0V |
| Speed | Above Average Faster than 88% of 1045 Digital Standard servos at 6.0V |
| Weight | Below Average Lighter than 21% of 1880 Digital Standard servos |
| Running Current | Bottom 10% Lower draw than 7% of 226 Digital Standard servos at 6.0V |
| Stall Current | Below Average Lower draw than 25% of 570 Digital Standard servos |
Performance Analysis
| Shaft Power | 5.78–8.99 W |
| Power Density | 4.549 W/in³ More power-dense than 76% of 1768 Digital Standard servos |
| Torque Density | 3.3336 oz-in/g Stronger than 49% of 1053 Digital Standard servos |
| Torque-to-Volume Ratio | 126.54 oz-in/in³ Denser torque than 56% of 1058 Digital Standard servos |
| Speed-to-Weight | 0.16667 (1/sec·g) Faster than 80% of 1038 Digital Standard servos |
| Speed-Torque Trade-off | 20.00 Better balanced than 35% of 1034 Digital Standard servos |
| Current-per-Torque Ratio | 0.0200 A/oz-in More efficient than 30% of 331 Digital Standard servos |
| Idle-to-Running Current Ratio | 0.086 Lower idle draw than 39% of 167 Digital Standard servos |
| No-Load vs Stall Current Spread | 1.43 Narrower current spread than 92% of 179 Digital Standard servos |
| Voltage Range Width | 2.4 V Wider voltage range than 52% of 1560 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0005 Finer dead band than 98% of 504 Digital Standard servos |
Notes
Also comes in a 180 or 270 degree version.
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