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Technical Specifications
Last Updated: 2026-10-09
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 gBottom 10% |
| 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 | Ni-MH / Ni-CD / Li-Fe / Li-Po |
| 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 | Bottom 10% Lighter than 4% of 620 Digital Micro servos |
Performance Analysis
| Shaft Power | 3.30–6.10 W |
| Power Density | 13.294 W/in³ More power-dense than 97% of 590 Digital Micro 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 91% of 511 Digital Micro servos |
Similar Active Servos
Other Versions
This model has 3 other versions. Only specs that differ are shown.
BLS-A208
- 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 44 oz-in
- Torque @ 7.4V —
- Torque @ 8.4V —
- Speed @ 6V 0.07 sec/60°
- Speed @ 7.4V —
- Speed @ 8.4V —
BLS-A208V+ Vertical Mounts
- 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
- 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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