BZX84C39S-7-F

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Diodes are electrical components that allow current to flow in one direction while blocking the flow of current in the opposite direction. Zener arrays are a type of diode that are used to provide a constant voltage. The BZX84C39S-7-F is a Zener array that is designed to provide reliable current control in a variety of applications. In this article, we will discuss the BZX84C39S-7-F application field and working principle.

Application Field

The BZX84C39S-7-F Zener array is primarily used in various telecommunications, computer and consumer electronics applications. It can be used to regulate the voltage and protect against power surges in these types of devices. It is also commonly used in audio equipment, solar cells, and power supplies. This Zener array is best suited for use in environments where temperature stability is important, as it has a temperature coefficient of −0.1 V/˚C.

Working Principle

The BZX84C39S-7-F Zener array is designed to provide a stable voltage despite changes in current and heat. The array consists of three interconnected Zener diodes in a miniature package. The three diodes are connected in series, so the voltage of the first diode is divided by the two diodes that follow. Each diode has a Zener voltage marked on it, and the total Zener voltage of the array is equal to the sum of the three diodes. This arrangement ensures that the voltage remains stable even when the current is increased or decreased. The array is designed such that it will not experience catastrophic breakdown if the reverse current is too high, and the rated power dissipation is 25mW.

The BZX84C39S-7-F array is usually used with an external series resistor to provide an additional current limiting function. When the reverse current is higher than the rated value, the resistor acts as a current regulator and limits the amount of current that can flow through the device. This ensures that the Zener array will not be damaged by excessive current.

Conclusion

The BZX84C39S-7-F Zener array is a useful and versatile tool for regulating and protecting against power surges in sensitive devices. Its temperature coefficient and additional current limiting capabilities make it a reliable and safe option for use in many applications. It is an effective means of providing stable voltage levels with minimal risk of damage to the device.

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