DDZ9712Q-7

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The DDZ9712Q-7 is a part of the diverse single Zener diode family. It is essentially a diode connected in reverse bias with a voltage-controlled breakdown. It is primarily used in power supplies, regulator circuits, and voltage multipliers. It is suitable for general purpose applications such as voltage stabilizing, voltage regulating, noise filtering, or dynamic brake control.

The DDZ9712Q-7 is composed of a single epitaxial junction of silicon. The reverse breakdown voltage of this single junction is also what determines the regulation voltage point for the part. Its repeatable voltage and low temperature coefficient ensures reliable operation in electronic circuits.

The working principle of DDZ9712Q-7 is based on Zener breakdown or avalanche breakdown, which is a process wherein an electric current is diverted in a semiconductor under reverse biased conditions. In the situation of a Zener breakdown, the high reverse bias causes a quantum of electrons to be injected into the Zener level, which bands breakdown. It is also capable of accepting voltage shifts up to 20 mV between forward and reverse breakdown, but this is dependent on temperature coefficient.

When a voltage is applied to the diode, the current is initially very low until the diode reaches the Zener voltage. At this point the diode begins to draw current until the reverse breakdown voltage is exceeded. But it should be kept in mind that a high inrush current may be experienced when applying the input voltage for the first time. Once the current has been established however, the breakdown voltage remains stable and the current does not destablize.

The DDZ9712Q-7 is suitable for operation in circuits requirig relatively constant output voltage under varying conditions of line and load regulations. It is also capable of handling constant current applications up to a certain power level. It has a maximum power rating of 500 mW and a maximum repetitive peak reverse voltage (VRRM) of 7.0 V.

The DDZ9712Q-7 is also capable of providing voltage reference as a stand-alone device in circuits that require precision. It is also widely used in power supplies and regulator circuits, and particularly in DC/DC converters. It is a widely popular part and can be used as a design universal voltage regulator.

Overall, the DDZ9712Q-7 is a Member of the diverse single Zener diode family. It is typically used in power supplies, regulator circuits, and voltage multipliers suitable for general purpose applications such as voltage stabilizing, voltage regulating, noise filtering, or dynamic brake control. It is an excellent choice for DC/DC converters and precision circuits as it has a maximum power rating of 500 mW and a maximum repetitive peak reverse voltage (VRRM) of 7.0 V.

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