2EZ14D5E3/TR8

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Diodes - Zener - Single

The 2EZ14D5E3/TR8 is a TYPE 2 two-terminal silicon zener diode. It is constructed of two junction layers with a heavily doped zener junction in between. This device is designed to provide voltage regulation with minimum power losses in a given circuit configuration. The diode operates over a wide range of ambient temperatures, from -55°C to +125°C.

Application Field

The 2EZ14D5E3/TR8 is mainly used in electrical circuits which require the accurate controlling of a device’s output. It is also used to regulate the voltage in applications such as testing and instrumentation equipment, audio alignment and tuning, power protection circuits, and as a voltage regulator for both DC and AC systems. Its high surge capability makes it suitable for use in both commercial and military applications.

Working Principle

While in the off-state, the diode acts as an open-circuit, similar to any other diode. As the applied voltage increases, the diode will start conducting current and the voltage drop across it begins to decrease until it reaches the zener voltage value. At this point, due to the heavily doped zener junction in the diode, a large amount of current starts to flow. This phenomenon is called zener breakdown, which allows the diode to maintain a relatively constant voltage across it, even if the applied voltage varies over a wide range.

The purpose of the 2EZ14D5E3/TR8, which is to regulate the voltage, is performed by both increasing the current through the diode to maintain constant voltage when the input voltage increases and decreasing current through the diode to maintain the same voltage when the input voltage decreases. This action is enabled due to the zener\'s ability to maintain a low impedance path for the flow of current. This in turn prevents the device from getting destroyed, even if the output voltage reaches and stays at the maximum voltage.

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