BZX84C39S-7

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Zener diodes, also known as stabilizing diodes, are basically normal semiconductor diodes with the added feature of being able to control the voltage in which they operate. They are usually used in voltage regulation circuits, and unlike other diodes, these diodes can be designed to both regulate and limit the amount of current that passes through them.

The BZX84C39S-7 is a Zener diode array, and it is specifically designed for low current applications in the electronics industry. It features three series-connected Zeners operating in the breakdown region, and its maximum dynamic power rating is 150mW, with a maximum DC Reverse Voltage of 39V. The nominal zener voltage for the device is 3.3V, allowing for precise voltage regulation.

In terms of its application field, the BZX84C39S-7 diode is mainly used for circuit protection, voltage regulation, and in applications where higher current needs to be regulated. One common application that uses this type of diode is in power supplies, specifically those that require tight voltage control. The diode is used to limit the amount of current present in the circuit and thus ensuring a consistent voltage within the range of 3.3 and 39 volts.

When it comes to working principle, the BZX84C39S-7 Zener diode works through a process known as Zener breakdown, which is similar to form of electric breakdown that occurs in a normal diode. This process occurs when the voltage applied to the diode reaches a high enough level to cause electrons to be liberated from the diode’s covalent bonds and travel across the diode’s junction. The liberated electrons create an avalanche effect, which causes an increase in current across the diode’s junction and hence an increase in voltage. This ultimately results in a lower voltage drop across the diode than what was initially applied.

In conclusion, the BZX84C39S-7 Zener Diode Array is a device used for low current applications in the electronics industry. It is mainly used for protection, voltage regulation, and for applications that require precise voltage regulation. The working principle behind the device is Zener breakdown, which is a form of electric breakdown that occurs within the device and results in lower voltage drops than what was initially applied.

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