BZB84-B9V1,215

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Diodes - Zener - Arrays

The BZB84-B9V1,215 is an array of four (4) Zener diodes that are packaged as a single device. It is designed to handle higher input currents and reduces circuit complexity in applications where a four junction Zener diode solution is used. In order to continue to provide the most advanced solution to the customer, the device has been designed to offer the highest performance and cost effective solution.

Features

The BZB84-B9V1,215 features a maximum power dissipation of 180mW, with a breakdown voltage of 1.2 – 5.2V. The part is RoHS compliant and available in a*4 pin (SOD-323) or a*3 pin (SOD-523) surface mount package, allowing for easy integration into the customer’s system. It also features a low thermal resistance of 2°C/W.

Applications

The BZB84-B9V1,215 is suitable for a wide range of applications, including telecom, consumer electronics and automation. Applications such as power management, voltage regulation, and switching power supplies, can all benefit from the device’s performance.

Working Principle

The BZB84-B9V1,215 operates by providing a reverse bias across the four junction diodes in the array which depletes the majority charge carriers and allows a zero volt current to flow. The voltage is maintained by the avalanche breakdown process. As the voltage increases, the device conducts a higher current through the array and the resulting power dissipation is weighted as a function of temperature.

The avalanche breakdown characteristics of the BZB84-B9V1,215 can be described by its typical zener voltage (VZ) versus zener current (IZ) characteristics. When the zener voltage increases with increasing zener current, the device turns off and no longer conducts current. This is due to the avalanche breakdown process which reduces the barrier for electrons and allows for a higher current to flow.

Advantages

The BZB84-B9V1,215 offers several advantages over single-junction Zener diodes. By packaging four junction diodes in one device, cost and design complexity can be reduced. Also, the higher current capability and low thermal resistance offers better performance in applications that require higher currents.

With the wide range of applications, the BZB84-B9V1,215 provides the highest performance and cost effective solution to the customer. It is RoHS compliant and the device is available in a*4 pin (SOD-323) or a*3 pin (SOD-523) surface mount package, allowing for easy integration into the customer’s system.

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