2EZ12DE3/TR12

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Diodes are electronic components that permit electric current to flow in one direction only. Zener diodes are a special type of diode that will operate in the reverse or “Zener” mode. These diodes are manufactured with a higher breakdown voltage (Vz) than normal diodes. They are used to provide an effective low dropout voltage regulator. The 2EZ12DE3/TR12 is a single Zener diode packaged in a Plastic SOT-23 package.

The 2EZ12DE3/TR12 is designed for voltage regulation applications, and it is used to supply a predictable, consistent voltage to another component in the circuit. It will not draw current from the circuit in the forward mode, but it will draw a small current in the reverse mode. That current is known as the Zener current, and it is used to maintain a steady voltage across the diode even when the supply voltage varies.

The 2EZ12DE3/TR12 has a voltage rating of 12V and a power dissipation of 250mW. Its maximum clamping voltage is 40V, and its total capacitance is 2.0pF at 1MHz and 5V. It has a reverse leakage current of 0.2mA at 6.3V and 100mA at 12V.

The working principle of a 2EZ12DE3/TR12 Zener diode is simple and straightforward. In the forward configuration, the diode acts like a closed switch, allowing current to flow through it in one direction only. However, when it is placed in the reverse configuration, the diode will start conducting current in both directions. This is known as the Zener effect, where the current passing through the diode creates an internal electric field sufficient to create a voltage drop across the device\'s Zener region. This voltage drop is what is referred to as the Zener voltage.

In the reverse mode, the 2EZ12DE3/TR12 is designed to allow current to flow in both directions and to maintain the Zener voltage level. This controllable and consistent voltage drop helps to improve the overall performance and accuracy of voltage regulation in the circuit. It also helps to protect the circuit from voltage transients and other voltage fluctuations.

The 2EZ12DE3/TR12 is a versatile and reliable Zener diode that serves many purposes in a variety of circuit designs. It is commonly used in automotive modules, LED backlighting, and battery charging circuits. It can also be used in medical devices and communication systems to ensure accurate and reliable voltage regulation.

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