Bj42d15 26v10 Stepper Motor Datasheet Exclusive Jun 2026

The high resistance (26Ω) relative to typical NEMA 17 motors (which often sit at 2-10Ω) means this motor is designed for constant voltage drivers rather than chopper-drive current-control. Driving it at exactly 26V DC will yield smooth microstepping without current spikes.

At a rated current of 1.0A, the motor will run "warm to the touch" (approx. 50-60°C). If your application requires the motor to be enclosed, ensure active cooling or use the mounting plate as a heatsink to extend the bearing life. 6. Applications bj42d15 26v10 stepper motor datasheet exclusive

| Feature | BJ42D15 26V10 | Generic NEMA 17 (2.5V / 1.5A) | | :--- | :--- | :--- | | Supply Voltage | | 12-24V chopper required | | Driver Complexity | Simple L298N or relay driver | Needs sophisticated microstepping | | Heat Generation | Low (high resistance) | High (requires active cooling) | | Torque Density | Moderate (0.20 N·m) | High (0.45 N·m possible) | The high resistance (26Ω) relative to typical NEMA