Manufacturer: ST
Type: Integrated Chip
Model: ULN 2804A
Part No.: W993A9401

Features:
-Eight Darlington transistors with common emitters
-Output current to 500 Ma
-Output voltage to 50 V
-Integral suppression diodes
-Versions for all popular logic families
-Output can be paralleled
-Inputs pinned opposite outputs to simplify board layout
-Power Dissipation (one Darlington pair) 1 W
No. of pins: 18
Operating Temperature: -20 … 85°C