PDZ3.9BGWX

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Introduction

PDZ3.9BGWX is a type of Zener diode, which is a single diode that is specifically designed to regulate voltage. It features a wide temperature range from -65°C to +180°C, a power dissipation rating of 1W, reverse voltage rating of 6.2V and forward current of 1A. In addition, it has a breakdown voltage of 3.9V and a minimum peak Zener current of 25mA. This Zener diode also features an ESD immunity of greater than 2kV and good humidity protection.

Applications

The PDZ3.9BGWX is commonly used in automotive, industrial and communications applications, as it serves to protect voltage regulation circuits from overvoltage by providing a constant voltage across its terminals. In addition, the PDZ3.9BGWX is used in industries such as lighting, and in battery management systems, flashlights and laser diodes. The PDZ3.9BGWX is also suitable for use in applications such as overvoltage protection, circuit and programming voltage stabilization, electrical/electronic equipment protection, and LED driver networks.

Working Principle

The PDZ3.9BGWX works by allowing current to flow in the forward-biased direction and by blocking current flow in the reverse-biased direction. It is based on the Zener effect, which is the ability of the semiconductor material to reduce its resistivity when a voltage is applied across it in reverse bias. The current flowing through the diode is limited by a maximum value called the Zener current. When the Zener breakdown voltage is exceeded, the Zener current becomes constant and the voltage remains at a fixed level known as the Zener voltage.

When the PDZ3.9BGWX is drawn out of the electrical circuit, no current flows through it. When a voltage is applied to it that is less than the Zener voltage, it serves as an open switch, allowing little or no current to flow through it. When a voltage that exceeds the Zener voltage is applied to the diode, it starts to conduct electricity, which is called the Zener breakdown. The diode is then said to have “broken down” and is operating in the Zener region, where the Zener voltage remains relatively constant. The Zener voltage is the knee voltage of the Zener diode. Beyond this voltage, the current is limited to a maximum of about 25mA for the PDZ3.9BGWX.

Conclusion

In conclusion, the PDZ3.9BGWX is a type of Zener diode that is commonly used for applications in the automotive, industrial and communication fields. It features a wide temperature range, a reverse voltage rating of 6.2V and a forward current rating of 1A. In addition, it has a breakdown voltage of 3.9V and a minimum peak Zener current of 25mA. The PDZ3.9BGWX works by allowing current to flow in the forward-biased direction and by blocking the current flow in the reverse-biased direction. It operates based on the Zener effect, where the Zener voltage remains relatively constant.

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