DU13H713S-02 Sanyo Denki
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The DU13H713S-02 stepping motor features a step angle of 1.8°, a holding torque of 0.29 N·m, and a rated current of 1 A per phase. Part of the F SANMOTION Stepping Motors series by Sanyo Denki, it includes IP43 protection and operates within a temperature range of -10°C to +50°C.
Internal Product Review
The DU13H713S-02 stepping motor provides precise angular positioning with a 1.8° step increment. Its holding torque of 0.29 N·m allows for stable maintenance of position. The motor's design incorporates IP43 protection, offering a degree of defense against particulate and liquid ingress. With a mass of 0.23 kg and dimensions of 42 mm squared, it presents a compact electromechanical solution for applications demanding controlled rotational actuation within specified environmental parameters.
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Product Description:
Sanyo Denki manufactures the DU13H713S-02. A precisely regulated 1.8° step angle is included in the Sanyo Denki DU13H713S-02 stepping motor, defining the fixed angular increment the rotor moves with each electrical pulse. The motor can split a whole 360° revolution into 200 consistent steps due to the great angular resolution generated by this tiny discrete step size. When sub-degree precision is required, such a resolution is essential, especially in coordinate-based imaging systems, multi-axis CNC machines, and semiconductor inspection platforms. The precise granularity of movement minimizes cumulative positioning errors and drift over time by ensuring that the motor maintains constant step integrity even during fast acceleration and deceleration cycles. Deterministic control techniques in precision motion contexts are based on this high-resolution operation.
When in a static powered condition, the DU13H713S-02's holding torque of 0.29 N·m measures the motor's ability to withstand external torsional stresses. When current is provided while the shaft remains stationary, the rotor's permanent magnets and the stator field interact magnetically to produce this resistance. When external gravitational or inertial forces try to cause unexpected motion in load-bearing situations, such as vertical axis applications, the importance of this property becomes evident. Without the need for additional mechanical locking devices, a holding torque of this size offers enough clamping force to maintain the load's angular position. This feature removes the possibility of back-driving and preserves positional stability when at rest, particularly in open-loop stepper systems without feedback.
This motor's bipolar winding architecture, which allows bidirectional current to flow via each winding pair, is a crucial design feature. Bipolar operation makes better use of the copper mass and magnetic flux routes by energizing the whole winding set in either direction. This results in a higher torque production per ampere than unipolar alternatives. However, in order to reverse the direction of current, this architecture requires the use of a H-bridge or comparable full-bridge driver circuitry, which adds complexity to the controller design. Despite this, the bipolar configuration is more beneficial for high-performance servo-like applications that need torque ripple minimization and better acceleration profiles under dynamic loading due to the resulting increase in torque density, improved thermal utilization of the winding structure, and lower detent torque.
