MMBZ4711-HE3-18

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The MMBZ4711-HE3-18 is a single zener diode commonly used in a variety of electronic applications. It is a commonly employed voltage regulator element that exhibits the zener effect. The zener effect, or avalanche effect, occurs when the potential barrier of a PN junction is crossed by electrons, resulting in a large reverse bias. As the barrier voltage exceeds a certain threshold, the diode begins to conduct and provide a constant voltage output.

This diode is ideal for use in situations where a precisely regulated voltage is required, such as in voltage regulation of power supplies and voltage reference circuits. It is also commonly used to protect sensitive circuits from voltage spikes and voltage surges. In these cases, the diode is connected in series with the device or circuit being protected. When the voltage exceeds the reverse breakdown voltage of the diode, current will begin to flow, and thus limiting the amount of current that can enter the protected device.

The MMBZ4711-HE3-18 also has built-in thermal and current limiter, which provide additional protection against overvoltage and short-circuiting. This makes it suitable for a variety of power supply applications. For example, it could be used in an adjustable DC-DC converter as an adaptation device or a capacitor/inductor regulator.

The MMBZ4711-HE3-18 is a surface-mountable device and has a maximum power dissipation rating of 500 mW. It has a voltage regulator range of 5.6 volts to 18 volts, a series impedance of 2,500 ohms, and a reverse breakdown voltage of 5.6 volts, making it ideal for precision voltage regulation of power supplies. The peak and DC forward current ratings of the diode are rated at 0.5 A and 0.3 A respectively.

In order to properly use the MMBZ4711-HE3-18 as a voltage regulator, it needs to be connected in series with the device or circuit being regulated. The voltage drop across the forward-biased diode must be higher than the drop across the reverse-biased diode. This ensures that the device will act as a voltage regulator and provide a constant output voltage, even when the input voltage varies. In addition, heat sinking may be necessary for proper operation, as the diode generates heat when it is in operation.

The MMBZ4711-HE3-18 is an ideal component for a wide range of voltage regulation and surge protection applications. It has a wide operating temperature range and can operate from -65 to +200 degrees Celsius. The device also has a low forward voltage drop and a high peak power rating, making it an efficient and reliable component for any system that requires precision voltage regulation.

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