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09/03/2021
Ssd Power module burned due to surge, luckily mosfet and capacitor saved the rest...restored unit works as it is....
A black box is a flight data recorder that must be in every air vehicle. All flight information is recorded into the black box with a specific algorithm. This makes the recorded flight data accessible to authorities when needed. Contrary to popular belief, the black box is mostly bright orange, not black. Black boxes that are resistant to the most extreme situations are one of the most special tools of the aviation research industry with their voice recording features.
How do SD Cards Fail?
Generally, SD cards and microSD cards are a bit less vulnerable to physical damage than USB flash drives. In many USB flash drives, the USB plug has a frail connection to the PCB that can easily be damaged. Since an SD card’s electrical contacts are built into the PCB, that is one less point of failure. Also, SD cards are usually tucked away very discretely in their devices, so it’s hard for them to be accidentally broken while in use.
But while an SD card can survive a fall that would kill a hard disk drive, it might not fare so well if it gets stepped on, driven over, etc. This could crack the PCB, or even the NAND chip itself. A cracked NAND chip is roughly equivalent to a hard drive platter with rotational scoring: It’s toast.
An SD card can also fail as a result of a power surge. It only takes a surge of three nanoseconds to short out a PCB. If an SD card is plugged into a device when power surge occurs, the PCB can be shorted out.
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