MMSZ2V7T1G

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Diodes - Zener - Single

The MMSZ2V7T1G is an example of a Zener diode, a type of diode designed to operate in the breakdown region. As with all diodes, the MMSZ2V7T1G is used to regulate current flow between two points in a circuit. However, unlike a standard diode, a Zener diode is designed to allow a controlled reverse current flow when the voltage between the two points exceeds a specific value.

The MMSZ2V7T1G comprises a specifically designed reverse-biased PN junction that maintains a specific reverse breakdown voltage. While the breakdown voltage (Vz) determines a Zener diode’s working principle, the maximum current (Iz) it can withstand is an important parameter. The forward characteristic of the MMSZ2V7T1G also should be considered in the circuit design.

The MMSZ2V7T1G has a reverse breakdown voltage of 2.7 V, making it suitable for systems requiring low supply voltages, as well as a low leakage current and reliable operation. It utilizes a low power, small size ceramic surface-mount package.

Application Fields

The MMSZ2V7T1G is ideal for applications that require a low-voltage Zener diode with a reverse breakdown tolerance. Typical applications include voltage regulation and protection, overvoltage clamping, LED lighting, data and telecommunications, power supply circuits, and computer peripherals. It is also used in applications requiring a higher voltage, such as high voltage inverters, DC-DC converters, and programming power supply.

Working Principle

The working principle of Zener diodes is based on the PN junction and its current-voltage properties. When a reverse voltage of a sufficient value is applied, the PN junction will enter the deep reverse bias and a reverse current, called Zener current, is created. Under a constant voltage, the Zener current will remain constant. As a result, the reversebreakdown voltage, Vz, may be controlled by the amount of doping and area of the PN junction.

The MMSZ2V7T1G utilizes a Zener diode mounted in a bipolar configuration to ensure constant reverse-breakdown voltage across the junction. This arrangement behaves as a compact, low-cost voltage regulator component. The component has a high surge current capability, making it suitable for applications that require a minimum inrush current. The device also has good long-term reliability and a very low thermal resistance.

In conclusion, MMSZ2V7T1G is a Zener diode with a reverse breakdown voltage of 2.7 V that has a wide range of applications due to its low voltage, low leakage current and reliable operation. The device is suitable for use as a voltage regulator, overvoltage clamping, LED lighting and power supply circuit component.

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