This part is a kind of semiconductor called ULN2003APG.
Function of this product has 7ch Darlington Sink Driver.
Manufacturers : Toshiba Semiconductor
Image and pinout :

Some of the text within the PDF file :
ULN2003,04APG/AFWG TOSHIBA Bipolar Digital Integrated Circuit Silicon Monolithic ULN2003APG,ULN2003AFWG ULN2004APG,ULN2004AFWG 7-ch Darlington Sink Driver The ULN2003APG/AFWG Series are high−voltage, high−current darlington drivers comprised of seven NPN darlington pairs. All units feature integral clamp diodes for switching inductive loads. Applications include relay, hammer, lamp and display (LED) drivers. Features z Output current (single output): 500 mA max z High sustaining voltage output: 50 V min z Output clamp diodes z Inputs compatible with various types of logic z Package Type-APG: DIP-16pin z Package Type-AFWG: SOL-16pin ULN2003APG ULN2004APG ULN2003AFWG ULN2004AFWG Type ULN2003APG/AFWG ULN2004APG/AFWG Input Base Resistor 2.7 kΩ 10.5 kΩ Designation TTL, 5 V CMOS 6 to [ ... ]
ULN2003APG PDF Datasheet Download
