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Technical Specifications
Last Updated: 2026-10-23
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | f-MS325 |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
72.17 oz-in
5.20 kg-cm
0.5 N-m
7.4V
63.85 oz-in
4.60 kg-cm
0.5 N-m
6.0V
52.74 oz-in
3.80 kg-cm
0.4 N-m
Above Average
|
| Speed |
8.4V
0.07 sec/60°
857.1 deg/s
142.9 RPM
7.4V
0.08 sec/60°
750.0 deg/s
125.0 RPM
6.0V
0.09 sec/60°
666.7 deg/s
111.1 RPM
Above Average
|
| Physical | |
| Weight | 0.71 oz20.0 gBelow Average |
| Dimensions |
L 0.906 in W 0.472 in H 1.083 in L 23.0 mm W 12.0 mm H 27.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Steel |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 200° |
| Pulse Cycle | 3.003 ms |
| Neutral Position | 1520 µs |
| Dead Band | 2 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Hall Effect |
| Control System | PWM |
| Programmable | Yes |
| Electrical & Environment | |
| Operating Voltage | 6–8.4 V |
| Temperature | -20–65 °C-4–149 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
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 80% of 363 Digital Micro servos at 6.0V |
| Speed | Above Average Faster than 75% of 361 Digital Micro servos at 6.0V |
| Weight | Below Average Lighter than 19% of 665 Digital Micro servos |
Performance Analysis
| Shaft Power | 1.08–1.91 W |
| Power Density | 4.116 W/in³ More power-dense than 73% of 625 Digital Micro servos |
| Torque Density | 2.6370 oz-in/g Stronger than 57% of 363 Digital Micro servos |
| Torque-to-Volume Ratio | 113.88 oz-in/in³ Denser torque than 75% of 359 Digital Micro servos |
| Speed-to-Weight | 0.55556 (1/sec·g) Faster than 33% of 361 Digital Micro servos |
| Speed-Torque Trade-off | 4.75 Better balanced than 67% of 358 Digital Micro servos |
| Torque Gain per Volt | 15.35%/V More voltage-responsive (torque) than 36% of 302 Digital Micro servos |
| Speed Gain per Volt | 11.90%/V More voltage-responsive (speed) than 14% of 305 Digital Micro servos |
| Voltage Range Width | 2.4 V Wider voltage range than 60% of 553 Digital Micro servos |
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