P50B05005DXS50 Sanyo Denki
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The Sanyo Denki P50B05005DXS50 is a brushless motor in the P5 Super BL Servo Motors series. It has a flange size of 54 mm and a mass of 0.53 kg. The motor delivers a rated output of 50 W with a rated speed of 3,000 min-1 and features a wiring-saved incremental encoder with a detector resolution of 2,000 P/R.
Internal Product Review
The P50B05005DXS50 is a Sanyo Denki P5 Super BL servo motor with 50 W rated output and 3,000 min-1 rated speed. A wiring-saved incremental encoder with 2,000 P/R resolution supports clean feedback and dependable positioning in precision motion applications. High-speed capability up to 4500 min-1 makes this motor a strong choice for responsive servo performance.
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Product Description:
The P50B05005DXS50 is a brushless servo motor manufactured by Sanyo Denki for the P5 Super BL Servo Motors series. Using BL motor technology, it integrates into compact drive systems where precise torque and speed control are required for pick-and-place units, semiconductor handlers, and other light-duty axes. The motor works with a separate amplifier that regulates phase current through incremental encoder feedback, delivering closed-loop motion for industrial automation tasks.
Its mounting interface uses a 54 mm flange, allowing direct coupling to small gearheads and reducing the motor’s footprint inside machinery. The servo delivers a continuous mechanical output of 50 W at its nominal shaft speed of 3,000 rpm. At that operating point, it produces a rated torque of 0.159 N·m, while its continuous stall torque is 0.167 N·m for static holding under excitation. A phase resistance of 9.2 Ω influences current draw and drive tuning together with the rated current of 0.85 Arms. Position feedback is provided by a wire-saving incremental encoder with a resolution of 2,000 P/R, enabling fine interpolation inside the controller. The electrical time constant is 2.1 ms, and the mechanical time constant is 2.6 ms, supporting responsive acceleration. The rated power rate is 4.4 kW/s, allowing the motor to respond quickly to load changes.
The motor weighs only 0.53 kg, and its rotor inertia is 0.063 × 10⁻⁴ kg·m², making it suitable for load matching with light linear stages. Peak operating speed reaches 4,500 rpm when commanded, providing additional speed capacity for velocity-based control, while the maximum stall torque rises to 0.49 N·m during short overloads. A torque constant of 0.249 N·m/Arms relates drive current to developed torque, allowing the amplifier to calculate limits from the 0.85 Arms rating. Because the unit is supplied without a holding brake, an external locking device is required when the shaft must remain stationary without power. The brushless design reduces maintenance requirements, and the encoder’s wire-saving configuration simplifies cabling in multi-axis assemblies.
