MIL-STD-461, “Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment,” has just been updated with the publication of Revision G. The last edition, MIL-STD-461 F, was released in 2007 so it’s been a while! The new MIL-STD-461 G cancels and replaces the previous edition and needs to be procured for all of you whose DoD contracts call out the document. And this is one of the Military Standards that is widely used throughout industry.
MIL-STD-461 G provides you with the interface and verification requirements necessary to control electromagnetic interference (EMI) emissions. These emissions affect electronic, electrical and electrommmmechanical equipment and subsystems. In this document, the focus is on those products purchased by the DoD (the U.S. Department of Defense). And as part of the general DoD profile, DID (Data Item Description) requirements are also included.
MIL-STD-461 G is divided into two sections: the main body of the standard and the appendix. The first contains all the interface and verification requirements necessary. The appendix, on the other hand, is not part of the contractual requirements of the document. But it provides the rationale and guidance for the interpretation and use of the various requirements spelled out in the main body. So you’ll find a parallel numbering scheme used in both sections.
OK, so you use MIL-STD-461 and you want to know what the changes are in the new 280-page Revision G. Here’s what Clause 6.8 has to say about the update:
“This revision of the standard deleted CS106 conducted susceptibility, transients, power leads. In addition, this revision added CS117, conducted susceptibility, lightning induced transients, cables and power leads and CS118, personnel borne electrostatic discharge. Marginal notations are not used in the revision to identify changes with respect to the previous issue due to the extensiveness of the changes.”
Now to get your copy of the new standard. You’ll find it available in both paper format and for pdf download at the Document Center webstore, www.document-center.com. Please note that your purchase will include our best-in-class notification service at no additional charge. This means that you’ll be sent an email each time the publication is updated. Here’s a link to the order page for MIL-STD-461 G.
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