2EZ56DE3/TR12

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Diodes, particularly Zener diodes, are an important part of electronics and electrical engineering. These components are used in a variety of applications, which require a wide range of diodes with different characteristics. The 2EZ56DE3/TR12 is a single Zener diode typically used in reverse protection circuits to suppress overvoltages.

Application Field

The 2EZ56DE3/TR12 is designed for use in reverse protection circuits. It is typically used to suppress voltage transients produced by lightning or inductive loads. This diode is also suitable for load switching and inverter applications.

A Zener diode can be thought of as a voltage regulator; when the voltage reaches a certain threshold, the diode will switch from a low-impedance state to a high-impedance state, thus preventing excessive current from passing through the circuit. To accomplish this, the 2EZ56DE3/TR12 has an avalanche voltage of 30.6V and a reverse current of 10mA.

The diode also features a low-leakage current of 10uA, making it suitable for low-power circuits and ensuring that it won\'t draw any unnecessary current when in the off state. This makes the 2EZ56DE3/TR12 an ideal choice for automotive and industrial applications, where reverse protection is essential.

Working Principle

At low applied voltages, the Zener diode acts like an ordinary diode and has a low impedance state. When the applied voltage reaches the Zener voltage, the diode switches to a high impedance state, blocking current flow in this direction. This behavior is known as Zener breakdown and is used to protect against excessive voltages.

The 2EZ56DE3/TR12 features a Zener breakdown voltage of 28.2V. This means that, when the voltage applied to the diode reaches this threshold, it will switch to a high-impedance state, preventing current from passing through. This ensures that the circuit it is protecting will not be damaged by an excessive voltage spike.

When the voltage returns to a safe level, the 2EZ56DE3/TR12 will return to a low impedance state and allow current to pass through the diode again. This cycle can be repeated, allowing the diode to effectively protect the circuit against fluctuations in voltage.

The 2EZ56DE3/TR12 is an important component that can be used in a variety of applications. Its ability to protect circuits from reverse voltages makes it a valuable tool for engineers who need reliable protection for their circuits. The diode\'s robust design also ensures that it will remain reliable and effective over time, making it an ideal choice for many applications.

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