MMBZ5258BS-7-F

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The MMBZ5258BS-7-F Diode-Zener Array is a concatenated array of one 8.2V zener diode and one 8.2V zener diode designed for use in clamping, stabilization and ESD protection applications. It is suitable for use in general purpose and power management applications. The device consists of two zener diodes, one connected in line and the other in the exact opposite direction. The two diodes are connected by three leads, which ensures the two diodes work together in a concatenated array. As each zener diode provides its own dedicated zener voltage, they can be used in a variety of ways, such as hold-up, clamper, stabilizer or ESD protection.

The device features good noise immunity, low cost and ease of use. The MMBZ5258BS-7-F Diode-Zener Array is ideal for clamping, conditioning, braking and EMI filtering applications, providing excellent performance. It provides excellent resistance to surge currents, ESD and thermal runaway. The MMBZ5258BS-7-F Diode-Zener Array also helps limit maximum voltage and current to protect the connected device from overvoltage and overcurrent conditions.

The MMBZ5258BS-7-F Diode-Zener Array is a dual-diode array with a common anode terminal and two corresponding cathode terminals. It is configured similarly to a Schottky diode, but with a low forward voltage drop. It has low power dissipation compared to other diode types and is therefore suitable for applications that require low power dissipation. It has a high forward current rating and can withstand a maximum peak reverse voltage up to 16.4V.

The MMBZ5258BS-7-F Diode-Zener Array works by restricting the input signal to a specific voltage. The two diodes work together to form a voltage regulator. The zener diode clamp the input voltage to a specific voltage level and protects the connected device from overvoltage and power surge conditions. When the input signal drops below the zener voltage, the zener diode will conduct, allowing the current to be limited to a specific level, thus providing an output with a constant DC value. This type of array is very useful in applications requiring surge protection, to protect sensitive components from high voltage overshoot.

In summary, the MMBZ5258BS-7-F Diode-Zener Array is a compact and low-cost diode-array ideally suited for clamping, stabilization, and ESD protection in commercial applications such as power management, automotive, and consumer electronics. The dual-diode array topology offers simultaneous protection from overvoltage and overcurrent, providing excellent EMI, rugged performance, and improved noise immunity.

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