LJ9DA41
Features

The LJ9DA41 is a linear motion servo designed for UAS (Unmanned Aerial System) applications and related systems.
The servo integrates a motor, gearbox, linear drive mechanism, and control circuitry into a single unit.
It can receive operation commands and return internal status information through external communication. The unit also supports dust and water protection compliant with IP64 standards.
Specification
| Model Name | LJ9DA41 |
|---|---|
| Rated Voltage [V] | 14.8 |
| Rated Thrust [N] | 96.0 |
| Maximum Thrust (Peak) [N] | 480.0 |
| No-Load Speed [mm/s] | 105.0 |
| IP Rating | IP67 |
| Housing Material | Gear Box: Resin Heat Sink: Aluminum |
| Gear Material | 1st: Metal 2nd: Resin 3rd: Metal Ball Screw: Metal |
| Cable type | Detachable Shielded Cable |
| Cable Length | 400 mm (15.75 in) |
| Connector | 8-pin connector |
| Dimensions (W×L×H) | 197.6 mm × 51.1 mm × 99.3 mm (7.78 in × 2.01 in × 3.91 in) |
| Control and Communication Specifications | PWM / S.BUS / S.BUS2 / rs485 |
| Operating Temperature | -10 to +60°C (-50 to +140°F) |
| Weight [g] | 720.0 |
| Position feedback | Yes |
| Specification | |
| Operation Manual |
- Control and Communication Standards
To support connection with Futaba RC receivers and various other controllers, the following communication standards are supported:- PWM: PWM signals used in conventional hobby RC servos
- S.BUS: Futaba’s proprietary serial communication protocol for hobby RC servos
- rs485: Bidirectional communication protocol compatible with Futaba command-type servos for robotic applications
Position Feedback
The output voltage varies according to the angle of the output shaft, enabling continuous angle monitoring during operation.
For detailed specifications, including CAD data, please refer to the download page.












