28
Electrostati
c
discharge(E
SD)
IEC61000-4
-2
±8 kV contact
±15kV air
±8 kV
contact
±15kV
air
Floors should
be wood,
concrete or
ceramic tile. if
floors are
covered with
synthetic
material, the
relative
humidity
should be at
least 30%
Electrical
fast
transient/
burst
IEC61000-4
-4
±2kV for power
Supply lines
±1 kV for
input/output
lines
N/A
N/A
Surge
IEC
61000-4-5
±1kV line (s) to
line(s)
±2kV line(s) to
earth
N/A
N/A