DDZ9682Q-7

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Diodes - Zener - Single

The DDZ9682Q-7 is a Zenar chip device that is used in various applications. It is type of signal diode and is especially suitable for the high performance switching applications. This diode can help increase the efficiency of electronic circuits, and is ideal for power systems, communications equipment, cellular phones, and other related applications.

The DDZ9682Q-7 is designed with a reverse breakdown voltage of 6.2V in a slim DFN (Dual Flat No-leaded) package. It also has an ultra-low capacity, fast switching speed, and soft reverse recovery characteristics. This diode also has an excellent ESD preventative, as well as a low temperature coefficient.

Application Field

The DDZ9682Q-7 is primarily used to help increase the efficiency of electronic circuits, and its application field include, but are not limited to, power systems, radio communication systems, cellular phones, and display devices. It can also be used in various linear DC/DC converters, and RF Mixer circuit.

For power systems, the diode helps improve the circuit efficiency by rapidly switching on/off with minimal power dissipation. This can help reduce the size of the system and reduce the cost. For radio communication systems, the fast switching speed and ultra-low capacity can help reduce circuit noise as compared to other alternatives.

For cellular phones, the diode can act as a clipper for sampling the RF signal strength, noise level, and antenna current. It can also help reduce noise by providing glitch circuit protection and suppressing the AC signals from external sources. Finally, for display devices, the forward voltage and series register protection can help minimize the impact of AC signals on the LCD display.

Working Principle

The DDZ9682Q-7 is a Zener diode, which is a two-terminal semiconductor device that operates in the reverse biasing mode. It works by creating a conductive path between the two terminals when the applied reverse bias voltage exceeds the specified breakdown voltage. This allows a current to flow in the forward direction, resulting in a low diode voltage drop.

In operation, the diode starts showing conduction at a specified voltage, which is known as the Zener voltage. This Zener voltage is determined by the doping concentration inside the junction. As the applied reverse bias voltage increases, the number of electrons entering the junction also increases, leading to increased current in the forward direction.

Once the breakdown voltage is reached, the diode begins to show avalanche or Zener breakdown, which results in a higher current flow in the forward direction. If the voltage increases beyond the breakdown voltage, the diode will start to conduct in the forward direction and act as a normal diode.

The DDZ9682Q-7 can act as an avalanche or Zener diode, depending on the biasing voltage applied. When used as a Zener diode, it is mostly used for voltage clamping and voltage regulation applications. When used as an avalanche diode, it can be used in voltage multipliers and rectification applications.

Conclusion

The DDZ9682Q-7 is a Zenar chip device that is ideal for high performance switching applications. It has a reverse breakdown voltage of 6.2V and an ultra-low capacity, fast switching speed, and soft reverse recovery characteristics. This diode is suitable for various applications, including power systems, communications equipment, cellular phones, and display devices. It can be used as a Zener diode for voltage clamping and regulation, and as an avalanche diode for rectification and voltage multiplier applications.

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