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Good afternoon, I have a device with reference 324 STI MZL8909 and another with reference G002204, the first works well but the second doesn't work. Which is the diference? Both are like LM324DT?

RPera.1
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I attach images.

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1 REPLY 1

The lack of resolution and sharpness doesn't help.

Product built several years apart, packaged at different facilities.

"Doesn't Work" is not really a useful diagnostic, you'll need to debug the circuit, perhaps check other parts on hand to see if electrically they meet expectations, and are authentic. Perhaps X-Ray to determine die/lead-frame differences.

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