ULN2803AG 
DataSheet
8ch Darlington Sink Driver. SOIC-18 package
The ULN2803AP / AG Series are high−voltage, high−current darlington drivers comprised of eight NPN darlington pairs.
All units feature integral clamp diodes for switching inductive loads.
Applications include relay, hammer, lamp and display (LED) drivers.
The suffix (G) appended to the part number represents a Lead (Pb)-Free product.
Features
- Output current (single output) 500 mA (Max.)
- High sustaining voltage output 50 V (Min.)
- Output clamp diodes
- Inputs compatible with various types of logic.
- Package Type−AFWG : SOL−18pin