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Hello everyone, in this lesson we will learn about the replacement of MOS tubes

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First of all, let's look at the small three-legged MOS tube

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The small three-pin MOS tube is generally only used to transmit signals in the circuit

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Therefore, the three-pin small MOS tube does not need to consider power when replacing it.

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Its replacement principle is that the size of the package is the same and the structure is the same

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The large MOS tube is generally used to transmit power in the circuit

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Therefore, the large tube needs to consider the power when replacing it.

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The principle of large tube replacement is that the structure must be consistent,

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and the power cannot be lower than the original value

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If the power is lower than the original value, there is a risk of burning the MOS tube