SML4749HE3/5A

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SML4749HE3/5A is a type of single Zener diode that is frequently used in voltage regulation circuits. This device is a low-power (1W) Zener diode that operates from 3 to 5 volts. It features a low-resistance and low capacitance to provide a wide range and fast response in voltage regulation applications.

The SML4749HE3/5A can be used in a variety of applications, including DC-DC and AC/DC power supplies, LED lighting, automotive electronics, and system voltage-regulating systems. This type of diode is preferred in applications where the input voltage or current is expected to change frequently and needs to be maintained within a certain range. Additionally, the device is designed to withstand temperature fluctuations and has a higher reverse breakdown voltage than other types of diodes.

In regards to its working principle, the SML4749HE3/5A operates similarly to other types of Zener diodes. The device consists of a semiconductor material between two electrodes, typically one anode and one cathode. When the anode voltage is increased above a certain threshold, the Zener diode breaks down thereby allowing current flow through it from the cathode to the anode. The resulting current flow is regulated to maintain the acceptance voltage within an acceptable range.

Once the breakdown threshold is reached, the SML4749HE3/5A switches from a reverse blocking state to a forward conducting state. This allows the device to regulate the input voltage or current by ensuring that the voltage is maintained within the acceptable range. In other words, the device effectively functions as a voltage regulation system that is sensitive to fluctuations in the input voltage or current.

In summary, the SML4749HE3/5A is a low-power Zener diode that is suitable for a variety of voltage regulation applications. This device features a low-resistance and low capacitance for optimal performance and is designed to withstand temperature fluctuations. The device operates similarly to other types of diodes where it breaks down when the anode voltage is increased above a certain threshold, thus allowing a regulated current to flow. As a result, the SML4749HE3/5A can effectively be used as a voltage regulation system that is sensitive to fluctuations in the input voltage or current.

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