Attributes . 1.2/50 ?s - 8/20 ?s surge immunity test level 3 IEC 61000-4-5 || electrical fast transient/burst immunity test level 4 IEC 61000-4-4 || electrostatic discharge immunity test level 3 IEC 61000-4-2 || radiated radio-frequency electromagnetic field immunity test level 3 IEC 61000-4-3 . Names