3EZ91D10/TR12

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A 3EZ91D10/TR12 is a single Zener diode that consists of two primary components: an anode and a cathode. It is designed to regulate voltage, mitigate voltage surges, and provide reverse-voltage protection. As a PN junction diode, it can also be used for switching duties.

Application Field: As a single Zener diode, the 3EZ91D10/TR12 is most frequently used in power supply circuits. This includes DC-DC converters, voltage regulators, and so on. It can also be used as a voltage regulator in automotive systems, computers, mobile phones, and many more. As a reverse-voltage protection device, the 3EZ91D10/TR12 can be used in circuits which may be exposed to unsafe reversed voltage.

Working Principle: The 3EZ91D10/TR12 is a PN junction diode with a pre-configured breakdown voltage. When the voltage across the diode is greater than the pre-set Zener breakdown voltage, the device will start conducting current in a controlled manner, stabilizing the voltages across it. This allows it to regulate the prevailing voltage and provide reverse-voltage protection. It also makes the diode a useful component in switching operations.

Conversely, the 3EZ91D10/TR12 will resist current flow until the voltage meets or exceeds the Zener breakdown. This prevents current from flowing in the wrong direction, rendering the diode a reliable reverse-voltage protection device.

Conclusion: The 3EZ91D10/TR12 is a single Zener diode that is primarily used for voltage regulation and reverse-voltage protection. As a PN junction diode, it is also capable of performing switching operations. The 3EZ91D10/TR12 is commonly used in power supplies, automotive systems, and computers.

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