CZRU39VB-HF

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 - Zener - Single

A single Zener diode is a small electronic component that is used to prevent power surges and regulate the voltage in electrical circuits. It is part of the broad and varied family of diodes, which are semiconductor devices that control and manage the flow of electrical current. In a single Zener diode, the diode is connected in a series with a resistor to limit the current flow. The most commonly used Zener diode in this type of configuration is the CZRU39VB-HF, due to its relatively low power consumption and wide power supply range.

Application Field

The CZRU39VB-HF is used mainly in automotive and medical electronics as well as in industrial equipment. It is capable of regulating voltages from 3.5 volts up to 39 volts and is able to dissipate up to 600mW of power. This makes it suitable for high current applications where low input voltage sources must be regulated, such as fuel injection systems, automotive engine control units and medical diagnostics. It is also used in industrial equipment such as welding, machine tools and motion control systems.

Working Principle

After the voltage reaches the breakdown voltage of the diode, the current flows through the diode, which is the reverse bias operation. The breakdown voltage of the CZRU39VB-HF is usually around 7 volts, dependent on the temperature environment. In this state, the diode behaves as a variable-style Zener diode, allowing the voltage to remain relatively constant at the diode\'s breakdown voltage. This helps to regulate the voltage in the circuit and protect other components from over-voltage surges.

The diode is designed with a reinforced P-N junction that allows the component to handle more than 600 mW of average power. It also offers tight voltage tolerance compared to the traditional Zener diode. This makes the CZRU39VB-HF ideal for use in automotive, medical and industrial applications.

Advantages

The CZRU39VB-HF is a fast-acting Zener diode that can quickly sensing voltage conditions and regulating the circuit voltages. It offers low power dissipation and a wide operating temperature range, making it an ideal choice for applications that require automatic current regulation. This diode is also capable of handling high current without suffering any damage. Its low cost and reliable performance make it a popular choice with many electronic system designers.

Disadvantages

The CZRU39VB-HF can only be used in a reverse bias configuration, and is not suitable for use in forward bias applications. It also has a limited peak-pulse current rating, and the voltage regulation can be affected by the temperature of the surrounding environment.

Conclusion

The CZRU39VB-HF single Zener diode offers reliable over-voltage protection and efficient current regulation in automotive, medical and industrial applications. It is fast-acting, has a wide operating temperature range and a low power dissipation. However, its reverse bias configuration, limited peak-pulse current rating and temperature sensitivity do limit its usefulness.

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