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Cadet Rel Engr
Guest	Posted: Mon Apr 11, 2026 4:19 pm    Post subject: Socketed and Unsocketed CDM ESD   Can someone explain to me the difference between socketed and unsocketed CDM ESD? Thnx, Cadet Rel Engr
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Guest
	Posted: Wed Apr 27, 2026 2:44 am    Post subject:   very interesting...
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testeng99
Joined: 20 Jun 2026 Posts: 20	Posted: Thu Apr 28, 2026 3:27 pm    Post subject:   Socketed CDM (SDM) simulates CDM ESD by inserting a device in a socket, then charging it from a high voltage source, and discharging it through a 1-ohm R. Non-socketed or Robotic CDM (RCDM) testing involves putting the DUT in deadbug position on a thin dielectric (FR4) which is placed over a ground plate. The DUT is charged either directly by a charging probe or indirectly by field induction. This may help: http://www.ce-mag.com/archive/03/03/henry.html
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