This part is a kind of semiconductor called LA23BCK-47.

Function of this product has Rotary Hybrid Stepping Motor.

Manufacturers : EAD motors

Image and pinout :

Some of the text within the PDF file :

23 2.25" DIA SIZE Rotary Hybrid Stepping Motor 1.8° Conventional EADmotors Size 23 hybrid DC stepping motors are precision bi-directional devices with position accuracy Num Mod Electrical Ratings Unipolar Connection Bipolar Connection es) unc t (o igh We tia ner or I c2 ) e Rot in-s (ozue orq gT din Hol (oz-in) ce ctan ndu se I Pha (mH) ce tan esis ) se R Pha (ohms nt urre se C Pha ps) (am ge olta se V C) Pha (VD ue orq gT din Hol oz-in) ( ce ctan ndu se I Pha (mH) ce tan esis se R s) Pha hm o ( nt urre se C Pha ps) (am ge olta se V C) Pha (VD s ead of L ber el N of ±3% non-cumulative. Motors are totally enclosed with permanently lubricated ball bearings. Standard motors have 4 or 6 leads. Motors with 5 or 8 leads can be furnished to meet existing applications. These motors are also [ ... ]

LA23BCK-47 PDF Datasheet Download