DDZ43-7

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Diodes, more commonly known as rectifiers, are widely used in electrical and electronic circuits. These components, depending on their type, can provide one-way current flow, provide a reference voltage, and assist with the regulation of current and voltage. Zener diodes are a type of diode that utilizes a thinner junction and supporting elements to allow the device to operate in a reverse bias at higher voltages that can be easily sourced from a power supply. This makes them ideal for generating a precise regulated voltage that can be used as a voltage reference to protect against electrical surges, as well as in voltage limiting applications.

One of the most common Zener diode types is the DDZ43-7. It is a single Zener diode package with anode and cathode leads, meaning it provides a single voltage reference. The device is composed of a lightly doped semiconductor and supporting elements such as a reverse breakdown voltage, maximum power dissipated, forward voltage drop, junction temperature, and storage temperature.

The DDZ43-7 application field covers a wide range of uses, from electrical surge and overvoltage protection to power supply regulation and voltage limiting. In power supplies and other circuits, Zener diodes are often used in conjunction with capacitors, resistors, transistors, and other components to create a complete power supply management circuit with linear and/or switching-mode topologies. These circuits often utilize multiple stages to regulate the output voltage, while providing protection against overvoltage conditions.

The working principle behind the DDZ43-7 Zener diode is relatively simple; when forward bias is applied, the device functions as a normal diode and current flows in one direction through the junction. In reverse bias mode, the device switches to Zener breakdown, allowing a current to flow in the reverse direction through its junction at a predetermined voltage.

The DDZ43-7 has a reverse breakdown voltage of 4.3 volts and a maximum power dissipation of 500mW. When forward biased, the diode has a voltage drop of 0.75V. The junction temperature range is from -55°C to 175°C and the storage temperature can range from -55°C to 200°C, depending on the device type. Finally, the Zener diode has a thermal resistance coefficient of 5°C/W.

In conclusion, the DDZ43-7 Zener diode is one of the most commonly used diodes with a wide variety of applications. It has a reverse breakdown voltage of 4.3V and a maximum power dissipation of 500mW. The device works on a simple principle; when forward bias is applied, it functions as a normal diode, while in reverse bias mode, it switches to Zener breakdown, allowing the device to operate at the specified voltage. With its various specifications and practical applications, the DDZ43-7 is an essential component of many electronic systems.

The specific data is subject to PDF, and the above content is for reference