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Technical Specifications
Last Updated: 2026-10-26
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BMS-A204WP |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
125.01 oz-in
9.00 kg-cm
0.9 N-m
7.4V
108.34 oz-in
7.80 kg-cm
0.8 N-m
6.0V
91.67 oz-in
6.60 kg-cm
0.6 N-m
|
| Speed |
8.4V
0.09 sec/60°
666.7 deg/s
111.1 RPM
7.4V
0.10 sec/60°
600.0 deg/s
100.0 RPM
6.0V
0.12 sec/60°
500.0 deg/s
83.3 RPM
|
| Physical | |
| Weight | 0.73 oz20.7 gAbove Average |
| Dimensions |
L 0.906 in W 0.512 in H 0.996 in L 23.0 mm W 13.0 mm H 25.3 mm |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Neutral Position | 1500 µs |
| Dead Band | 1 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.5–8.5 V |
| Power Source | 2S Li-Po / 2S Li-Fe |
| Temperature | -10–60 °C14–140 °F |
| Water Rating | Waterproof |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | 300 mm11.81 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 70% of 490 Digital Mini servos |
Performance Analysis
| Shaft Power | 1.41–2.57 W |
| Power Density | 5.559 W/in³ More power-dense than 88% of 468 Digital Mini servos |
| Torque Density | 4.4285 oz-in/g |
| Torque-to-Volume Ratio | 198.41 oz-in/in³ |
| Speed-to-Weight | 0.40258 (1/sec·g) |
| Speed-Torque Trade-off | 11.00 |
| Voltage Range Width | 4.0 V Wider voltage range than 92% of 396 Digital Mini servos |
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