This part is a kind of semiconductor called 57BYGH506.

Function of this product has HYBRID STEPPING MOTOR.

Manufacturers : HETAI ELECTRIC

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CHANGZHOU HETAI ELECTRIC MOTORS & ELECTRIC APPLIANCE CO.,LTD 57BYGH SERIES HYBRID STEPPING MOTOR General Specifictions: Step Accuracy…………………………………………………………±5% Temperature Rise………………………………………………80°C Max Ambient temperature Range………………………………-20°C+50°C Insulation Resistance………………………………100MΩMin.500VC DC Dielectric Strenght………………………………………500V AC 1 minute Electrical Specifications： Model Step angel (°) Motor Length L(mm) Rate Voltage (V) Rate Current (A) Phase Resistance (Ω) Phase Inductance (mH) Holding Torque (kg.cm) Lead Wire (NO.) Rotor Inertia (g.c ㎡) Detent Torque (g.cm) Motor Weight (kg) 57BYGH001 1.8 41 [ ... ]

57BYGH506 PDF Datasheet Download