Found 3 alternatives for VOH1016AD-V by Vishay Semiconductor Opto Division. Optoisolators Logic Output — 6-DIP (0.400", 10.16mm).
OPTOISO 5KV OPEN COLLECTOR 6-DIP
LOGIC IC OUTPUT OPTOCOUPLER, 750
OPTOISO 4.17KV OPN COLL 6DIP