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If you know a little bit about electronics, you probably already seen TVS diodes. If not, these are Transient Voltage Suppressor diodes, placed in parallel as close as possible to the power supply input of the device, which basically sacrifice themselves by going short circuit when the applied voltage exceeds their rated breakdown voltage. Their response time is fast enough to protect the remaining electronics from damage. That’s the good part of the story.
Unfortunately, some electronic board designers don’t seem to care about what happens just after that… |
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