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Reliability of micro SD card, industrial SD card

Reliability of micro SD card, industrial SD card

Industrial micro SD card
Industrial micro SD card

Industrial micro SD Card deliver a simple way to get a highly reliable flash storage device in a small physical size.

From the point of view of reliability, some industrial SLC micro SD can withstand the most challenging environmental conditions like shock, vibration, and extreme temperature ranges from -45C to 90C.


The NAND flash memory used in industrial microSD cards is the most reliable on the market. They have endured cycles of over 2 million per logical block and work in high-duty environments 24/7.


Assess the reliability of industrial SD cards.

As the SD card is a non-repairable device, the applicable calculation is the MTTF method.

Depending on the memory type, most such devices expect an MTTF of 2,000,000 to 5,000,000 hours.

The following information is required to estimate the reliability of the SD card in the early development stage:

Operating environment

Temperature

Humidity

Vibration

Shock


Environmental tests may be necessary to improve the reliability.

Endurance (erase counts)

Durability (insertion cycles)

Bending

Torque

Drop

Salt spray

Waterproof

ESD (electrostatic discharge)

Remember: A high reliability is a sign of the expected quality.



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