BZX84B12-E3-08

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Diodes are commonly used in electronics as semiconductor components. A Zener diode is a specialized type of diode which is designed specifically for voltage regulation. Zener diodes are constructed from a heavily doped p-n junction, and when connected in a reverse-biased configuration, the diode conducts current in a limited fashion in the reverse direction when the voltage reaches the diode\'s breakdown voltage. The BZX84B12-E3-08 is an example of such a diode, and it has numerous applications in many different devices. This article will discuss both the application field and working principle of the BZX84B12-E3-08 Zener diode.

Applications of the BZX84B12-E3-08

The BZX84B12-E3-08 Zener diode has a high power rating of 500mW and a voltage range of 1.2 to 200V, which makes it suitable for use in a wide range of applications. Common applications for the BZX84B12-E3-08 include voltage regulation, overvoltage protection, and voltage clamping. The device can be used to limit input voltages or power surges, or to prevent circuit components from being damaged by overvoltage spikes.

The BZX84B12-E3-08 can also be used for AC current limiting, fluctuation compensation, and voltage reference. The diode is ideal for use in circuits that require a stable voltage, as well as circuits which require a more reliable connectivity. The Zener diode can also be used to control the output voltage of AC-DC power supply circuits, or to provide dynamic pull-down protection and temperature regulation.

Working Principle of the BZX84B12-E3-08

The BZX84B12-E3-08 Zener diode is constructed from a heavily doped p-n junction, and when the diode is connected to a voltage source in the reverse-biased configuration, it will conduct current in the reverse direction when the applied voltage exceeds the device\'s breakdown voltage. The breakdown voltage of this device is 12V, and if the voltage source is any higher it will cause the diode to conduct current. This current flow will cause a voltage drop across the diode, which will result in a stable output voltage that is equal to the breakdown voltage of the diode.

The BZX84B12-E3-08 Zener diode also has a breakdown current of 5mA, which is the amount of current that the diode can handle without triggering its breakdown voltage of 12V. The diode also has a maximum reverse current rating of 8µA, which is the amount of current that can flow through the diode even when the voltage is less than 12V. The reverse current increases slightly with higher temperatures, up to a maximum of 16µA.

The BZX84B12-E3-08 Zener diode has a temperature coefficient of -2.5mV/°C, which means that the breakdown voltage will decrease slightly at higher temperatures. This temperature coefficient ensures that the device remains stable over a wide range of temperatures, and that the output voltage will remain consistent as the temperature rises. The diode also has a relatively low forward voltage drop of 0.7V, which allows it to be used in various applications with low power losses.

Conclusion

The BZX84B12-E3-08 Zener diode is an excellent choice for numerous applications, due to its high power rating, low power losses, and excellent temperature stability. It can be used to provide overvoltage protection and voltage regulation, as well as current limiting and fluctuation compensation. It also has a low forward voltage drop and a temperature coefficient which ensures that the device remains stable over a wide range of temperatures. As such, it is an ideal device for applications that require reliable voltage regulation or overvoltage protection.

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