This part of IEC 60747 gives the terminology, essential ratings, characteristics, safety tests as
well as the measuring methods for photocouplers (or optocouplers).
NOTE The word “optocoupler” can also be used instead of “photocoupler”.
BS EN 60747-5-5:2011 Referenced Document
IEC 60068-2-6 Environmental testing - Part 2-6: Tests - Test Fc: Vibration (sinusoidal)