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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BA-8-3-MG |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
23.75 oz-in
1.71 kg-cm
0.2 N-m
4.2V
18.75 oz-in
1.35 kg-cm
0.1 N-m
|
| Speed |
6.0V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
4.2V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
|
| Running Current |
6.0V
0.120 A
120 mA
4.2V
0.110 A
110 mA
|
| Stall Current | 0.35–0.5 A350–500 mAAbove Average |
| Physical | |
| Weight | 0.24 oz6.8 gAbove Average |
| Dimensions |
L 0.79 in W 0.33 in H 0.76 in L 20.1 mm W 8.4 mm H 19.3 mm |
| Case Material | Aluminum / Plastic |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Titanium |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Direction | Clockwise |
| Rotational Range | 120° |
| Mechanical Limit | 120° |
| Pulse Width | 900-2100 µs |
| Neutral Position | 1500 µs |
| Dead Band | 1 µs |
| Refresh Rate | 333 Hz |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Signal Voltage | 3-5V |
| Electrical & Environment | |
| Operating Voltage | 3.5–6 V |
| Temperature | -20–70 °C-4–158 °F |
| Idle Current | 0.030 A30 mA |
| Connectivity | |
| Connector | JST |
| Wire Length | 120 mm4.72 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 | Above Average Lighter than 79% of 665 Digital Micro servos |
| Stall Current | Above Average Lower draw than 83% of 222 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.58–0.88 W |
| Power Density | 4.433 W/in³ More power-dense than 77% of 625 Digital Micro servos |
| Torque Density | 2.7574 oz-in/g |
| Torque-to-Volume Ratio | 94.63 oz-in/in³ |
| Speed-to-Weight | 2.45098 (1/sec·g) |
| Speed-Torque Trade-off | 1.13 |
| Current-per-Torque Ratio | 0.0267 A/oz-in |
| Idle-to-Running Current Ratio | 0.273 |
| No-Load vs Stall Current Spread | 4.55 |
| Voltage Range Width | 2.5 V Wider voltage range than 64% of 553 Digital Micro servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0008 Finer dead band than 71% of 220 Digital Micro servos |
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