DDZ9702T-7 Discrete Semiconductor Products

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The DDZ9702T-7 is a single Zener diode from the Diodes range of components. A Zener diode is a type of diode that when it reaches its reverse breakdown voltage, it allows a current to pass in the reverse direction. This characteristic makes Zener diodes quite useful in a variety of different applications, such as voltage regulation, signal conditioning, overvoltage protection and diode clamping.

The DDZ9702T-7 is a low-leakage, low-capacitance device, making it suitable for use in high speed digital and RF applications. This diode is optimized for high frequency/high bandwidth applications. The diode also features a low temperature coefficient and excellent thermal stability, which allows it to operate at wider temperature ranges and higher temperatures.

The DDZ9702T-7 has a reverse breakdown voltage of 7 volts and its maximum power dissipation is 400 mW. The typical reverse current is 5 μA and the forward voltage is 1 V. It is available in a standard DO-214AC package.

The DDZ9702T-7 is typically used in applications where a regular diode does not have enough reverse operating voltage. These applications include voltage regulation, signal conditioning, overvoltage protection and diode clamping. Zener diodes are also used in circuits where a constant voltage is required, such as voltage reference circuits and voltage multipliers.

The working principle of a Zener diode is based on the PN-junction. When a reverse voltage is applied to the junction, electrons in the N-doped side are attracted towards the P-doped side, forming an electron-hole depletion layer. As the voltage continues to increase, the depletion layer widens and electrons can flow from the N-doped side to the P-doped side. This flow of electrons is called reverse recovery current. The excessive amount of reverse current continues until the diode reaches its breakdown voltage, where the breakdown occurs and the reverse recovery current stops.

This behavior allows a Zener diode to regulate the voltage across it, by clamping the applied voltage to its breakdown voltage. The diode then allows a small amount of current to flow through it, maintaining the voltage across it at its breakdown voltage.

The DDZ9702T-7 is an ideal choice when you need a high-performance, low-capacitance, low-leakage device. It is suitable for use in high-speed digital circuits, as well as in voltage regulation, signal conditioning and diode clamping applications. This diode is also optimized for high frequency/high bandwidth applications and offers excellent thermal stability.

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