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Technical Specifications
Last Updated: 2026-07-28
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | 9125 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
118.07 oz-in
8.50 kg-cm
0.8 N-m
7.4V
104.18 oz-in
7.50 kg-cm
0.7 N-m
6.0V
86.12 oz-in
6.20 kg-cm
0.6 N-m
4.8V
75.01 oz-in
5.40 kg-cm
0.5 N-m
Above Average
|
| Speed |
8.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
4.8V
0.14 sec/60°
428.6 deg/s
71.4 RPM
Below Average
|
| Physical | |
| Weight | 0.91 oz25.7 gAverage |
| Dimensions |
L 1.181 in W 0.394 in H 0.906 in L 30.0 mm W 10.0 mm H 23.0 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Electrical & Environment | |
| Operating Voltage | 4.8–8.4 V |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 220 mm8.66 in |
| Origin | |
| Country of Origin | German |
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 68% of 284 Digital Mini servos at 4.8V |
| Speed | Below Average Faster than 28% of 288 Digital Mini servos at 4.8V |
| Weight | Average Lighter than 51% of 490 Digital Mini servos |
Performance Analysis
| Shaft Power | 0.99–2.43 W |
| Power Density | 5.754 W/in³ More power-dense than 89% of 468 Digital Mini servos |
| Torque Density | 2.9187 oz-in/g Stronger than 68% of 280 Digital Mini servos |
| Torque-to-Volume Ratio | 177.93 oz-in/in³ Denser torque than 91% of 282 Digital Mini servos |
| Speed-to-Weight | 0.27793 (1/sec·g) Faster than 33% of 284 Digital Mini servos |
| Speed-Torque Trade-off | 10.50 Better balanced than 75% of 282 Digital Mini servos |
| Torque Gain per Volt | 15.95%/V More voltage-responsive (torque) than 49% of 252 Digital Mini servos |
| Speed Gain per Volt | 15.43%/V More voltage-responsive (speed) than 45% of 258 Digital Mini servos |
| Voltage Range Width | 3.6 V Wider voltage range than 84% of 396 Digital Mini servos |
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