DDZ9709Q-7

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The DDZ9709Q-7 is a type of single Zener diode, used as a voltage reference, rectifier, and as a protection device against voltage spikes. It is capable of withstanding a reverse breakdown voltage as high as 200V. It is a low power device, requiring a maximum power rating of 1 watt and has a high reverse current of 20mA.

As a voltage reference, the DDZ9709Q-7 is used to supply a precise, stable reference voltage in a circuit. It can be used in voltage regulators, level shifting circuits and wherever a precise reference voltage is needed. With a temperature coefficient of 0.2mV/°C, which is significantly lower than other devices, the DDZ9709Q-7 provides an excellent reference voltage over a wide range of temperatures.

The DDZ9709Q-7 can also be used as an efficient rectifier in applications such as power supplies or other circuits requiring the rectification of AC voltage inputs. With a breakdown voltage of 200V and a peak repetitive reverse voltage of 120V, it is an ideal rectifier for many applications.

Furthermore, the DDZ9709Q-7 can be used as a protection device against high voltage transients, which may be caused by lightning, power line surges, or other sources. It can protect sensitive components from high voltages by absorbing the transient energy and safely dissipating it. This makes it an excellent choice for protecting circuits from harsh environmental conditions.

The working principle behind the DDZ9709Q-7 is based on the Zener breakdown effect, which occurs when a P-N junction is subjected to a reverse bias voltage above its breakdown voltage. This causes an avalanche breakdown, which leads to a large current flowing through the diode. The result is a constant voltage output, proportional to the breakdown voltage. This makes the DDZ9709Q-7 ideal for use as a voltage reference and as a protection device.

In summary, the DDZ9709Q-7 is a single Zener diode that offers a wide range of applications. Its high reverse breakdown voltage, combined with its low power rating and excellent temperature coefficient, make it an ideal choice for voltage reference and rectification applications, as well as for voltage protection.

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