Discover XQ-Power Servos in Our eBay Store!
Shop Now
Technical Specifications
Last Updated: 2026-10-08
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BBR-BMS-380MAX |
| Category | Hobby |
| Performance | |
| Torque |
6.0V
65.28 oz-in
4.70 kg-cm
0.5 N-m
4.8V
58.34 oz-in
4.20 kg-cm
0.4 N-m
|
| Speed |
6.0V
0.14 sec/60°
428.6 deg/s
71.4 RPM
4.8V
0.16 sec/60°
375.0 deg/s
62.5 RPM
|
| Stall Current | ≤0.65 A≤650 mATop 10% |
| Physical | |
| Weight | 0.57 oz16.3 gAbove 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 | |
| Motor Type | Brushed |
| Gears | Metal |
| Gear Spline/Teeth | 25 T estimate |
| Rotation/Support | Single Bearing |
| Control & Signal | |
| Modulation | Analog |
| Direction | Clockwise |
| Pulse Width | 1300-1700 µs |
| Neutral Position | 1520 µs |
| Dead Band | 8 µs |
| Refresh Rate | 125 Hz |
| Electrical & Environment | |
| Operating Voltage | 3.6–6 V |
| Power Source | Ni-MH / Ni-CD |
| Temperature | -20–60 °C-4–140 °F |
| Idle Current | 0.005 A5 mA |
| Connectivity | |
| Connector | JR (Universal) |
| Wire Length | 160 mm6.3 in |
| Origin | |
| Country of Origin | Taiwan |
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 77% of 165 Analog Mini servos |
| Stall Current | Top 10% Lower draw than 91% of 23 Analog Mini servos |
Performance Analysis
| Shaft Power | 0.67–0.86 W |
| Power Density | 1.359 W/in³ More power-dense than 86% of 163 Analog Mini servos |
| Torque Density | 3.5791 oz-in/g |
| Torque-to-Volume Ratio | 91.96 oz-in/in³ |
| Speed-to-Weight | 0.38344 (1/sec·g) |
| Speed-Torque Trade-off | 9.33 |
| Current-per-Torque Ratio | 0.0111 A/oz-in |
| Voltage Range Width | 2.4 V 4th-highest voltage range width of 88 Analog Mini servos |
| Dead-Band-to-Pulse-Width Ratio | 0.0200 Finer dead band than 1% of 95 Mini servos |
Similar Active Servos
Reviews of Blue Bird BMS-380MAX
Be the first to review!