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Technical Specifications
Last Updated: 2026-10-22
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 | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 120° |
| Mechanical Limit | 360° |
| 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 349 Digital Micro servos at 4.8V |
| Speed | Above Average Faster than 76% of 347 Digital Micro servos at 4.8V |
| Weight | Below Average Lighter than 17% of 597 Digital Micro servos |
| Running Current | Above Average Lower draw than 69% of 60 Digital Micro servos at 4.8V |
| Stall Current | Average Lower draw than 55% of 188 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.86–1.29 W |
| Power Density | 2.996 W/in³ More power-dense than 64% of 563 Digital Micro servos |
| Torque Density | 2.0850 oz-in/g Stronger than 34% of 349 Digital Micro servos |
| Torque-to-Volume Ratio | 97.13 oz-in/in³ Denser torque than 69% of 345 Digital Micro servos |
| Speed-to-Weight | 0.55556 (1/sec·g) Faster than 29% of 347 Digital Micro servos |
| Speed-Torque Trade-off | 3.75 Better balanced than 61% of 345 Digital Micro servos |
| Current-per-Torque Ratio | 0.0240 A/oz-in More efficient than 80% of 98 Digital Micro servos |
| Idle-to-Running Current Ratio | 0.048 Lower idle draw than 41% of 42 Digital Micro servos |
| No-Load vs Stall Current Spread | 8.00 Narrower current spread than 52% of 45 Digital Micro servos |
| Torque Gain per Volt | 13.99%/V More voltage-responsive (torque) than 32% of 290 Digital Micro servos |
| Speed Gain per Volt | 23.80%/V More voltage-responsive (speed) than 78% of 295 Digital Micro servos |
| Voltage Range Width | 1.2 V Wider voltage range than 29% of 496 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0017 Finer dead band than 46% of 182 Digital Micro servos |
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