Don’t Worry, It’s Just ESD – Electrostatic Discharge
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[Don’t Worry, It’s Just ESD – Electrostatic Discharge]
[Don’t Worry, It’s Just ESD – Electrostatic Discharge] Source: LYBIO.net
Hi, Electrostatic Discharge or ESD is an electrical charge that is stored in something like human body and can jump to devices like laptops and cellphones and damage them. So engineers do a lot of testing on these devices to make sure they won’t fail.
What they use for testing is something called an ESD simulator or a gun. Here it’s a 25 kilovolt discharge to a grounded box. The tip of the gun here simulates a human finger – always be careful with your tools.
Now they usually zap at completely assembled unit, but sometimes it’s also beneficial to zap the bare board like this one and see what happens on the actual board.
Never hold the board you’re zapping with your hand, because the ESD will jump to your body through the board. Now this board is connected to ground with this wire, so if I try to zap it, it will continuously discharge. Well, if it is connected ground wire it will only jump a few times, because now the board is charged at a same level as the gun and it doesn’t jump anymore.
Always discharge the charge board before touching it.
Don’t Worry, It’s Just ESD – Electrostatic Discharge. Always be careful with your tools. Complete Full Transcript, Dialogue, Remarks, Saying, Quotes, Words And Text.