This part is a kind of semiconductor called RS-445PD-15205.

Function of this product has Carbon-brush motors.

Manufacturers : Mabuchi Motor

Image and pinout :

Some of the text within the PDF file :

RS-445PA/PD OUTPUT : 3.0W~55W (APPROX) Typical Applications Office Automation Equipment : Printer Carbon-brush motors WEIGHT : 127g (APPROX) VOLTAGE MODEL OPERATING RANGE NOMINAL NO LOAD SPEED r/min CURRENT A SPEED r/min AT MAXIMUM EFFICIENCY CURRENT A TORQUE mN·m g·cm OUTPUT W mN·m STALL TORQUE g·cm CURRENT A RS-445PA-14230 RS-445PA-17145 RS-445PD-15205 12~42 12~30 12~42 *42V CONSTANT 24V CONSTANT *42V CONSTANT 6600 5700 6400 0.060 0.085 0.045 5500 4730 5530 0.30 0.41 0.29 13.6 12.3 14.5 139 126 148 7.82 6.09 8.37 81.6 72.1 107 832 735 1091 1.50 2.00 1.84 *This operating voltage indicates the peak value in case of pulse-width modulation (PWM) power supply. Besides, as withstand voltage, 1800V for one second can not be guaranteed. DIRECTION OF ROTATION 13.0 3.6 �� [ ... ]

RS-445PD-15205 PDF Datasheet Download