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CR4 - Thread: SMD Diode Markings
瀏覽：751
日期：2025-05-10
So it seems like it may be a RLZ12B (12 volt Zener). I probably don't need to tell you that Zeners are designed to operate in reverse bias. That is, the cathode (end with the black band) should be positive +12V with respect to the other end. If you check ...看更多
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