Protecting Against ESD Damage

Protecting against Damage from Electrostatic Discharge

 

You must observe proper grounding techniques to prevent the discharge of static electricity from your body into ESDsensitive components.

Packaging materials that contain ESDsensitive components are usually marked with a yellow-and-black warning symbol. See How to Hold a Small Circuit Card.

To avoid damaging ESDsensitive components:

• Handle the components only after attaching a wrist strap to the bare wrist. Attach the other end of the wrist strap to a ground that terminates at the system ground, such as any unpainted metallic chassis surface.
• Handle a circuit card by the faceplate or side edges only. See How to Hold a Large Circuit Card.


 


Ensure that your palm is not in contact with the non component side of the board.

• Keep components away from plastics and other synthetic materials such as polyester clothing.
• Do not hand components to another person unless that person is grounded at the same potential level.
• Hold devices such as a hard disk drives in the same manner as a large circuit card. The ESD-sensitive area of these components is located on the bottom surface.

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