Maintenance Information
TDS 520A, 524A, 540A, & 544A Service Manual
6Ć3
TableĂ6Ć1:ăRelative Susceptibility to StaticĆDischarge Damage
Semiconductor Classes Relative
Susceptibility
Levels
1
%( # (% (+ *) %( )(* (+ *) %( " $(
# (% (+ *) - * $&+*) #%)* )$) * ,
%**!. ) $" %)
%**!.
/('+$. &%"( *($) )*%()
$( # (% (+ *)
%-/&%-( %**!.
")* )$) * ,
1
Voltage equivalent for levels (voltage discharged from a 100ĂpF capacitor through resisĆ
tance of 100 ohms:
1Ă=Ă100 to 500 V 6 = 600 to 800 V
2 = 200 to 500 V 7 = 400 to 1000 V (est.)
3 = 250 V 8 = 900 V
4 = 500 V 9 = 1200 V
5 = 400 to 600 V
ąą
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