MMBZ5238B-7

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The MMBZ5238B-7 is a single Zener diode type device. It is built on a two-terminal, full-wave rectified, low-power electronic switching circuit, and has a voltage range from 1.5V to 30V. It is primarily used as an overvoltage protection circuit. It can also be used as a stabilizing element to maintain a steady output voltage, over an operating temperature range of -55° to +125°C.

The MMBZ5238B-7 is constructed from a silicon that is heavily doped to be a lightly-doped N-type. This material is then heavily doped with boron and arsenic to create two diode zones. One region is heavily-doped N-. This is the anode end, and is capacitively coupled to the other side of the diode. The other region is heavily-doped P+, which is the cathode end. Each region has its own voltage drop and the junction between them is the Zener region. The Zener region is reached when a certain level of current flows through it, producing the voltage.

The MMBZ5238B-7 is designed to work by cutting off the forward current flow when the Zener voltage is reached, then allowing a higher voltage to pass through once the forward voltage drops below the Zener voltage. This diode is able to protect an electrical circuit from potential damage caused by overvoltages.

The MMBZ5238B-7 is ideal for use in low-power digital circuits. It is very efficient and has a low characteristic temperature coefficient, allowing it to be used over a wide temperature range. Due to its durable design, it also offers excellent reliability and extended service life, as well as low standby current and low reverse leakage current.

The MMBZ5238B-7 is used in a range of applications, such as for voltage regulators, voltage supervisors, battery savers, overvoltage protection circuits, voltage boosting, and in power management systems. The high breakdown voltage of the device gives it a high tolerance for overvoltage or spurious shocks, and the low leakage current gives it power-saving advantages over other similar devices.

In summary, the MMBZ5238B-7 is a highly reliable, low-power Zener diode ideal for digital circuits, voltage boosting, and overvoltage protection. It has a wide operating temperature range and low leakage current, making it highly efficient and offering extended service life. The device is often used in low-power applications and is perfect for use in power management systems.

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