2015SJ/T 2215-2015 Measuring methods for semiconductor photocouplers
1982SJ 2215.13-1982 Method of measurement for input-to-output isolation resistance of semiconductor photocouplers
SJ 2215.13-1982 Method of measurement for input-to-output isolation resistance of semiconductor photocouplers was changed to SJ/T 2215-2015 Measuring methods for semiconductor photocouplers.