2EZ30DE3/TR8

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Diodes are electrical components that are designed to allow electricity to flow in one direction only, a phenomenon known as rectification. Zener diodes specifically refer to a type of diode that is operated in the reverse bias configuration, allowing electricity to flow in reverse. The 2EZ30DE3/TR8 is a Zener Diode specifically designed for applications in which reverse breakdown protection is needed.

The 2EZ30DE3/TR8 is a single, unipolar Zener diode, with a type-identifying third letter “D” in its name. It has a maximum current rating of 3 A (2EZ), a maximum continuous reverse voltage rating of 30 V (30), a Tolerance of ±5% (E3) and is housed in a Through-Hole-Style (TR8) package. A single Zener diode is a four terminal device that consists of two antiparallel diode junctions, usually with anodes connected together and cathodes connected together.

The working principle for the 2EZ30DE3/TR8 Zener Diode is referred to as “zener breakdown” or the “avalanche effect”. In this phenomenon, when the reverse bias voltage exceeds a certain breakdown voltage, which is the Zener voltage for a given diode, the depletion region at the junction undergoes an electric field breakdown. This affects the movement of electrons and also the energy level of its valence band electrons. In such a situation, the ionized charge carriers form an avalanche and the current starts flowing through the junction.

The Zener Diode connected in reverse (diode reverse biased), acts as a switched circuit element, hence the 2EZ30DE3/TR8 Zener Diode can be closely regulated and provides a constant voltage to the circuit. It is ideal for use in voltage clamping and energy storage applications. This diode can be used in circuits to regulate the voltage, usually to protect equipment from electrical spikes. It can also be used in applications as a voltage reference. Examples of these applications include in Power Supplies, Voltage Regulated DC Power Amplifiers, Voltage Limiters and Radio Frequency (RF) Protectors.

In reverse biased applications, such as voltage regulation, the Zener diode conducts current when the break down voltage is reached, allowing current to flow through the device. This allows the diode to limit the amount of voltage that is applied to the protected circuit. Thus, the diode is necessary in circuits such as AC-DC adaptors and other similar devices, in order to protect them from electrical spikes due to changes in voltage. It is also used for overvoltage protection for sensitive components in a circuit.

The 2EZ30DE3/TR8 Zener Diode is an ideal device for regulating a reverse biased voltage, in order to provide optimum protection from electrical spikes. It is also well suited for use in power supplies, voltage regulators and voltage protection circuits. Its compact package makes it suitable for use in compact, high density space saving designs. Whether for industry applications or general circuits, the 2EZ30DE3/TR8 Zener Diode is a reliable option.

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