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Technical Specifications
Last Updated: 2026-10-10
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | FB2308M |
| Category | Hobby |
| Performance | |
| Torque |
12.0V97.23 oz-in7.00 kg-cm0.7 N-m |
| Speed |
12.0V0.13 sec/60°461.5 deg/s76.9 RPM |
| Running Current |
12.0V0.135 A135 mA |
| Stall Current | ≤1.1 A≤1100 mATop 10% |
| Physical | |
| Weight | 2.10 oz59.5 gAverage |
| Dimensions |
L 1.539 in W 1.138 in H 1.319 in L 39.1 mm W 28.9 mm H 33.5 mm |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Steel |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Continuous |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Counterclockwise |
| Rotational Range | 360° |
| Pulse Width | 500-2500 µs |
| Neutral Position | 1500 µs |
| Dead Band | 4 µs |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 7.2–12 V |
| Water Rating | IP67 |
| Idle Current | 0.006 A6 mA |
| Connectivity | |
| Connector | JR |
| Wire Length | 230 mm9.06 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
| Weight | Average Lighter than 63% of 1902 Digital Standard servos |
| Stall Current | Top 10% Lower draw than 96% of 539 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.38 W |
| Power Density | 0.599 W/in³ More power-dense than 6% of 1759 Digital Standard servos |
| Torque Density | 1.6341 oz-in/g |
| Torque-to-Volume Ratio | 42.09 oz-in/in³ |
| Speed-to-Weight | 0.12928 (1/sec·g) |
| Speed-Torque Trade-off | 12.64 |
| Current-per-Torque Ratio | 0.0113 A/oz-in |
| Idle-to-Running Current Ratio | 0.044 |
| No-Load vs Stall Current Spread | 8.15 |
| Voltage Range Width | 4.8 V Wider voltage range than 96% of 1539 Digital Standard servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0020 Finer dead band than 27% of 468 Digital Standard servos |
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