There are two main forms of circuit protection: overvoltage protection and overcurrent protection. Choosing the appropriate circuit protection device is a key to achieving efficient, reliable circuit protection design, involving the selection of circuit protection devices, we must know the role of each circuit protection device. When choosing a circuit protection device, we must know that the protection circuit should not interfere with the normal behavior of the protected circuit, and it must also prevent any voltage transients from recurring the repetitive or non-repetitive instability of the entire system.
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