PLZ16A-G3/H Discrete Semiconductor Products

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Introduction: The PLZ16A-G3/H is a Zener diode, which is a single diode that is specifically designed for voltage regulation. It has widely applications in various AC/DC power supplies, automotive power supplies and other circuits that need precise voltage regulation. This article will explore the application field and the working principle of the PLZ16A-G3/H.

Application Field: The PLZ16A-G3/H is a 16 V Zener diode with a maximum power rating of 500 mW (at 25°C) that is specifically designed for voltage regulation. It is commonly used as part of a voltage regulator, such as voltage regulators in AC/DC and automotive power supplies. It is also used in voltage reference and reference amplifier circuits. In addition, it is also used in various high frequency switching applications, such as in DC-DC converters.

Working Principle: A Zener diode is a diode that allows electrical current to flow in one direction (from anode to cathode) but will breakdown and allow reverse current to flow in the reverse direction if a certain voltage is applied. This breakdown voltage is called the Zener voltage and is the most important parameter of the PLZ16A-G3/H. The device has a Zener Voltage of 16 V and a Zener Impedance of 2.5 Kohms.

When the forward voltage,Vf, is below the Zener voltage, the PLZ16A-G3/H will work in forward direction and behave like a regular diode, allowing the current to flow in the forward direction. When the forward voltage exceeds the Zener voltage, the PLZ16A-G3/H will break down and will allow the current to flow in the reverse direction. This breakdown is called the Zener breakdown and is used in voltage regulation applications, where the Zener breakdown current and voltage are controlled to maintain a desired voltage.

The Zener breakdown voltage can be controlled by controlling the bias current, which is the current through the diode while in reverse-bias. The bias current is controlled by controlling the forward voltage. By applying a bias current lower than the Zener current, the voltage across the diode is prevented from exceeding the Zener voltage and hence, the desired voltage level is maintained. This is why the PLZ16A-G3/H is used in AC/DC and automotive power supplies and various other precision-regulated voltage applications.

In conclusion, the PLZ16A-G3/H is a Zener diode that is designed for voltage regulation applications. It has a Zener voltage of 16V and is used in various AC/DC power supplies and automotive power supplies for precise voltage regulation. It works by allowing current to flow in one direction when the forward voltage is below the Zener voltage but breaking down and allowing current to flow in the reverse direction when the forward voltage exceeds the Zener voltage, thereby maintaining the desired voltage level.

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