This part is a kind of semiconductor called ULN2003.

Function of this product has 7CH DARLINGTON SINK DRIVER.

Manufacturers : UTC

Image and pinout :

Some of the text within the PDF file :

UNISONIC TECHNOLOGIES CO., LTD ULN2003 LINEAR INTEGRATED CIRCUIT 7CH DARLINGTON SINK DRIVER  DESCRIPTION The UTC ULN2003 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 *Output Current (Single Output): 500mA (Max.) *High Sustaining Voltage Output: 50V (Min.) *Output Clamp Diodes *Inputs Compatible With Various Types Of Logic  ORDERING INFORMATION Ordering Number Lead Free Halogen Free ULN2003L-D16-T ULN2003G-D16-T - ULN2003G-S16-R - ULN2003G-P16-R Package DIP-16 SOP-16 TSSOP-16 Packing Tube Tape Reel Tape Reel  MARKING DIP-16 SOP-16 / TSSOP-16 www.unisonic.com.tw Copyrig [ ... ]

ULN2003 PDF Datasheet Download