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Technical Specifications
Last Updated: 2026-10-22
Weight
Dimensions
Torque
Speed
Current
Temp
Wire
| Identity | |
| Brand |  |
| Product Number | BLS-A208+ |
| Category | Hobby |
| Performance | |
| Torque |
8.4V
131.96 oz-in
9.50 kg-cm
0.9 N-m
7.4V
119.45 oz-in
8.60 kg-cm
0.8 N-m
6.0V
106.95 oz-in
7.70 kg-cm
0.8 N-m
|
| Speed |
8.4V
0.04 sec/60°
1,500.0 deg/s
250.0 RPM
7.4V
0.05 sec/60°
1,200.0 deg/s
200.0 RPM
6.0V
0.06 sec/60°
1,000.0 deg/s
166.7 RPM
|
| Physical | |
| Weight | 0.78 oz22.0 gAverage |
| Dimensions |
L 0.906 in W 0.472 in H 1.073 in L 23.0 mm W 12.0 mm H 27.3 mm |
| Drivetrain | |
| Motor Type | Brushless |
| Gears | Metal |
| Gear Spline/Teeth | 25 T |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Neutral Position | 1520 µs |
| Dead Band | 1 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.5–8.5 V |
| Power Source | LiPo / LiFe / Ni-MH |
| Temperature | -10–60 °C14–140 °F |
| Connectivity | |
| Connector | JR (Universal) estimate |
| 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 | Average Lighter than 64% of 505 Digital Mini servos |
Performance Analysis
| Shaft Power | 3.30–6.10 W |
| Power Density | 13.294 W/in³ 3rd-highest power density of 482 Digital Mini servos |
| Torque Density | 4.8614 oz-in/g |
| Torque-to-Volume Ratio | 233.08 oz-in/in³ |
| Speed-to-Weight | 0.75758 (1/sec·g) |
| Speed-Torque Trade-off | 6.42 |
| Voltage Range Width | 4.0 V Wider voltage range than 92% of 405 Digital Mini servos |
Similar Active Servos
Other Versions
This model has 3 other versions. Only specs that differ are shown.
BLS-A208
- Size Class Micro
- Weight 20.5 g
- Length 0.905512 in
- Width 0.472441 in
- Height 1.07284 in
- Op. Voltage Min 4.8 V
- Op. Voltage Max 6 V
- Product Number —
- Torque @ 6V 60.89 oz-in
- Torque @ 7.4V —
- Torque @ 8.4V —
- Speed @ 6V 0.07 sec/60°
- Speed @ 7.4V —
- Speed @ 8.4V —
BLS-A208V+ Vertical Mounts
- Size Class Slim
- Weight 22 g
- Length 0.91 in
- Width 0.47 in
- Height 1.07 in
- Op. Voltage Min 4.5 V
- Op. Voltage Max 8.5 V
- Product Number BLS-A208V+
- Torque @ 6V 106.95 oz-in
- Torque @ 7.4V 119.45 oz-in
- Torque @ 8.4V 131.96 oz-in
- Speed @ 6V 0.06 sec/60°
- Speed @ 7.4V 0.05 sec/60°
- Speed @ 8.4V 0.04 sec/60°
BLS-A208WV Wide Voltage
- Size Class —
- Weight —
- Length —
- Width —
- Height —
- Op. Voltage Min 3.7 V
- Op. Voltage Max 8.4 V
- Product Number —
- Torque @ 6V 1195.7 oz-in
- Torque @ 7.4V 1408.1 oz-in
- Torque @ 8.4V 1581.2 oz-in
- Speed @ 6V 0.07 sec/60°
- Speed @ 7.4V 0.06 sec/60°
- Speed @ 8.4V 0.05 sec/60°
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