103-546-5345
The Sanyo Denki 103-546-5345 is a precision 2-phase stepping motor from the StepSyn Stepping Motors series. Manufactured by Sanyo Denki, this motor delivers a basic step angle of 1.8° ±0.09°, a rated voltage of 12V, and a rated current of 2.8A, making it ideal for applications that demand accurate positioning and smooth motion control. Its high efficiency design and compact form factor enable reliable performance in industrial robotics, automation systems, and precision positioning assemblies.
This motor’s technical design is characterized by a bipolar parallel current rating of 0.42 A, an inductance of 5.4 mH, and a resistance of 6.7 Ω. The rotor inertia of 30 kg·m²×10⁻⁷ ensures controlled acceleration and deceleration, while the theoretical acceleration capability of 63 000 rad·s⁻² supports rapid response in dynamic motion sequences. These specifications combine to deliver precise torque output and minimal step loss, even under variable load conditions.
Additional attributes include a mass of 0.2 kg for compact integration and an operating temperature suited to industrial standard ranges, allowing deployment in a variety of environmental conditions. The motor’s high efficiency enables reduced power consumption and heat generation, contributing to system longevity and lower maintenance requirements. In industrial automation contexts, the 103-546-5345 stepping motor provides consistent performance, exceptional durability, and fine position resolution, enhancing productivity and reliability across motion control applications.