Wednesday, 27 February 2019

ESD wrist wrap resistance


I use a wrist strap with 1 MOhm resistance connected to a ground Plug Adapter with 1.5 MOhm, so total series resistance is 2.5 MOhm. Is it OK for ESD protection or would it be better to connect the wrist strap directly to ground?


I know that this resistance is to protect the operator. However, is there an upper limit on the value of the resistor so that it doesn't affect ESD protection?


Thanks





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