This part is a kind of semiconductor called 34HS9802.

Function of this product has 2 Phase Hybrid Stepper Motor.

Manufacturers : MotionKing

Image and pinout :

Some of the text within the PDF file :

MotionKing (China) Motor Industry Co., Ltd. HB Stepper Motor Catalog 2 Phase Hybrid Stepper Motor 34HS series-Size 86mm(1.8 degree) Wiring Diagram: UNI/BI-POLAR(8 LEADS) BI-POLAR(4LEADS) Electrical Specifications (UNI-POLAR): Series Model Step Motor Rated Phase Phase Holding Angle Length Current Resistance Inductance Torque (deg) (mm) (A) (ohm) (mH) (N.cm Min) Detent Torque (N.cm Max) Rotor Inertia (g.cm²) Lead Motor Wire Weight (No.) (kg) 34HS6801 34HS6802 34HS6803 1.8 1.8 1.8 63 63 63 4.0 5.0 2.7 0.6 0.4 1.2 1.6 1.0 3.5 220 220 220 5.5 0.85 5.5 0.85 5.5 0.85 34HS8801 34HS8802 34HS8803 1.8 1.8 1.8 78 78 78 4.0 5.0 2.7 0.7 0.5 1.6 3.0 1.8 5.6 300 300 300 6.5 1.05 6.5 1.05 6.5 1.05 34HS9801 34HS9802 34HS9803 1.8 1.8 1.8 98 98 98 4.0 5.0 2.7 0.98 0.6 [ ... ]

34HS9802 PDF Datasheet Download