Figure 2 |
Component |
Human-body model
(MIL-STD-883 method 3015.7) |
Machine model
(IC-121, EIAJ) |
IEC 1000-4-2 |
R1 (Megohms) |
1 to 10 |
1 |
50 to 100 |
R2 (ohms) |
1500±1% |
0 |
330 |
C1 (pF) |
100±10% |
200±5% |
150 |
|
Substituting
different component values for R1, R2,
and C1 yields discharge circuits known
as the human-body model, the machine model, and
the IEC 1000-4-2 model (human holding a metallic
object). |
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