This part is a kind of semiconductor called HY1418-13-02.

Function of this product has Hybrid Step Motor.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

HYBRID STEP MOTOR SIZE 14 1.8° STEP ANGLE T E CH A IR S AN D IEGO , C A 619 248 4344 W WW . TE CH AI RE . N E T L INCH HY1418-12-02 HY1418-13-02 HY1418-14-02 1.02 1.10 1.42 WINDING BIPOLAR BIPOLAR BIPOLAR RATED VOLTAGE (VOLTS) 7.4 10.0 2.7 CURRENT/ PHASE (AMPS) 0.28 0.5 1.0 RES/ PHASE (OHMS) 26 20 2.7 INDUC/ PHASE (mH) 27 14 4.3 HOLDING TORQUE (gcm) 700 1000 1400 ROTOR INERTIA kgm2 10X10-7 11X10 -7 -7 DETENT TORQUE gcm 60 80 100 14X10 STEP ANGLE 1.8°±5% RESISTANCE ±10% TOLERANCE INDUCTANCE ±20% TOLERANCE TEMP. RISE, @ 80°C Max RATED CUR., 2 Ø ON SHAFT AXIAL PLAY 0.001” @ 450 gms SHAFT RADIAL PLAY 0.003” @ 450 grms MAX RADIAL FORCE 28N MAX. AXIAL FORCE 10N AMBIENT RANGE -20° to +50°C INSULTATION 100MΩ Min, 500 VDC RESISTANCE DIELECTRIC 500VAC [ ... ]

HY1418-13-02 PDF Datasheet Download