103H7123-0418
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The 103H7123-0418 is a compact stepping motor with a mass of 0.65 kg and a motor length of 53.8 mm. Manufactured by Sanyo Denki under the StepSyn Stepping Motors series, it delivers a rated current of 2 A/phase and features dual or single shaft configurations. The motor has a holding torque of 0.83 Nm.
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Product Description:
The 103H7123-0418 StepSyn Stepping Motor is manufactured by Sanyo Denki for industrial systems requiring accurate motion control. The motor belongs to the StepSyn Stepping Motors series and has 1.8° ± 0.09° basic step angle which guarantees consistent movement in each rotational step.
The 103H7123-0418 stepper motor uses a unipolar configuration and comes with a lead wire connection which simplifies installation into standard control circuits. It features a 56 mm square flange which allows compatibility with various mounting frames used in automation systems. The motor supports a two phase energization method that delivers a minimum holding torque of 0.83 Nm to maintain position under load. The motor has a back electromotive force of 31 V/Krpm which provides stable performance during high speed operation even under demanding industrial conditions. It also supports a theoretical acceleration of up to 50000 rad/sec² that makes it ideal for applications needing fast and accurate positioning. The 103H7123-0418 stepper motor rotor inertia is specified at 0.21 ×10⁻⁴ kg·m² which helps achieve rapid acceleration with minimal delay. It operates effectively in environments with humidity levels between 20% and 90% and supports a wide range of operational conditions without performance degradation. The motor ensures reliable stepwise motion makes it ideal for systems needing controlled movement.
The 103H7123-0418 stepper motor is ideal for automation robotics and precision based machinery. It is designed with a mass of 0.65 kg and a length of 53.8 mm which makes it suitable for compact mechanical assemblies. The motor operates at a rated current of 2 A per phase supported by a wiring resistance of 1.6 Ohms and a winding inductance of 3.8 mH which together ensure efficient thermal and electrical performance.
Frequently Asked Questions about 103H7123-0418:
Q: How does the 0.21 ×10⁻⁴ kg·m² rotor inertia affect motor performance?
A: It allows fast acceleration and deceleration cycles with reduced overshoot, ideal for precision step-based operations.
Q: Why is the back EMF value of 31 V/Krpm important in this model?
A: It stabilizes motor behavior at higher speeds and improves feedback consistency.
Q: How does the unipolar configuration of 103H7123-0418 improve system integration?
A: It simplifies the driving circuit and reduces the number of transistors required in control boards.
Q: Why is a lead wire connection used instead of terminal blocks in 103H7123-0418?
A: Lead wire connections allow flexible routing and faster installation in space-constrained panels and motion systems.
Q: Why is the humidity range of 20% to 90% significant for this motor?
A: This wide range ensures consistent operation in diverse environments, including production floors with varying moisture levels.
