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Technical Specifications
Last Updated: 2026-10-09
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FT2331M |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
48.70 oz-in
3.51 kg-cm
0.3 N-m
4.8V
41.70 oz-in
3.00 kg-cm
0.3 N-m
Above Average
|
| Speed |
6.0V
0.07 sec/60°
857.1 deg/s
142.9 RPM
4.8V
0.09 sec/60°
666.7 deg/s
111.1 RPM
Above Average
|
| Running Current |
6.0V
0.150 A
150 mA
4.8V
0.125 A
125 mA
Above Average
|
| Stall Current | 0.9–1 A900–1000 mAAverage |
| Physical | |
| Weight | 0.71 oz20.0 gBelow Average |
| Dimensions |
L 0.906 in W 0.472 in H 1.004 in L 23.0 mm W 12.0 mm H 25.5 mm |
| Case Material | Aluminum |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 240° |
| Mechanical Limit | No Limit |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1500 µs |
| Dead Band | 2 µs |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -15–70 °C5–158 °F |
| Idle Current | 0.006 A6 mA |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 150 mm5.91 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 | Above Average Stronger than 76% of 328 Digital Micro servos at 4.8V |
| Speed | Above Average Faster than 72% of 328 Digital Micro servos at 4.8V |
| Weight | Below Average Lighter than 16% of 620 Digital Micro servos |
| Running Current | Above Average Lower draw than 71% of 53 Digital Micro servos at 4.8V |
| Stall Current | Average Lower draw than 47% of 194 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.86–1.29 W |
| Power Density | 2.996 W/in³ More power-dense than 63% of 590 Digital Micro servos |
| Torque Density | 2.0850 oz-in/g Stronger than 36% of 327 Digital Micro servos |
| Torque-to-Volume Ratio | 97.13 oz-in/in³ Denser torque than 70% of 327 Digital Micro servos |
| Speed-to-Weight | 0.55556 (1/sec·g) Faster than 26% of 327 Digital Micro servos |
| Speed-Torque Trade-off | 3.75 Better balanced than 64% of 327 Digital Micro servos |
| Current-per-Torque Ratio | 0.0240 A/oz-in More efficient than 80% of 85 Digital Micro servos |
| Idle-to-Running Current Ratio | 0.048 Lower idle draw than 50% of 37 Digital Micro servos |
| No-Load vs Stall Current Spread | 8.00 Narrower current spread than 51% of 36 Digital Micro servos |
| Torque Gain per Volt | 13.99%/V More voltage-responsive (torque) than 36% of 268 Digital Micro servos |
| Speed Gain per Volt | 23.80%/V More voltage-responsive (speed) than 78% of 273 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 29% of 511 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0017 Finer dead band than 39% of 189 Digital Micro servos |
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