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Technical Specifications
Last Updated: 2026-10-22
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BMS-380 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
41.00 oz-in
2.95 kg-cm
0.3 N-m
4.8V
34.70 oz-in
2.50 kg-cm
0.2 N-m
|
| Speed |
6.0V
0.11 sec/60°
545.5 deg/s
90.9 RPM
4.8V
0.13 sec/60°
461.5 deg/s
76.9 RPM
|
| Physical | |
| Weight | 0.49 oz13.9 gBelow Average |
| Dimensions |
L 1.04 in W 0.50 in H 1.22 in L 26.4 mm W 12.7 mm H 31.0 mm |
| Drivetrain | |
| Gears | Plastic |
| Gear Spline/Teeth | 25 T estimate |
| Control & Signal | |
| Modulation | Digital |
| Pulse Cycle | 8 ms |
| Neutral Position | 1520 µs |
| Refresh Rate | 125 Hz |
| Electrical & Environment | |
| Operating Voltage | 4.5–5.5 V |
| Power Source | Ni-MH / Ni-CD |
| Connectivity | |
| Connector | Futaba J |
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 | Below Average Lighter than 32% of 597 Digital Micro servos |
Performance Analysis
| Shaft Power | 0.49–0.69 W |
| Power Density | 1.086 W/in³ More power-dense than 20% of 563 Digital Micro servos |
| Torque Density | 2.4964 oz-in/g |
| Torque-to-Volume Ratio | 54.70 oz-in/in³ |
| Speed-to-Weight | 0.55340 (1/sec·g) |
| Speed-Torque Trade-off | 4.51 |
| Voltage Range Width | 1.0 V Wider voltage range than 4% of 496 Digital Micro servos |
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