SML4738AHE3/5A

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SML4738AHE3/5A is a type of Zener diode, which is used for regulating a voltage by allowing the current to flow in one direction and blocking the current from flowing in the opposite direction. Its applications include voltage regulation in power supplies, battery protection, and voltage-limiting.

In operation, the SML4738AHE3/5A acts as a two-terminal junction device that limits the voltage in a circuit by allowing the current to flow in one direction and preventing it from flowing in the opposite direction. This action is achieved by creating a depletion region in the diode\'s diode junction region. This depletion region causes the diode to act as an avalanche breakdown mechanism, producing a voltage which is then regulated by the device.

The SML4738AHE3/5A is a single Zener diode, meaning it is designed to regulate a single voltage. This diode features a wide range of types, with a typical breakdown voltage ranging from 3.3V to 5.1V. It also features a low nominal reverse leakage current, typically less than 0.001µA. This low current helps to minimize mode overheating and noise in many applications.

The device is packaged in the 3-pin SOD-323 package, allowing for efficient heat dissipation and protection from vibration and shock. In addition, this diode has a low maximum reverse power dissipation, typically 0.2W and a high maximum reverse voltage of 5.1V.

The SML4738AHE3/5A is commonly used as a voltage regulator, providing a stable voltage even in short circuit conditions. Its reverse leakage is low enough to maximize efficiency, minimize power consumption and produce minimal noise in various applications. It is also used as a battery protection device, helping to protect the battery from over-charging and discharging. This diode is also used in many different voltage-limiting applications, such as protection against over-voltage in automotive wiring.

In summary, the SML4738AHE3/5A is a Zener diode specifically designed for use in a wide range of applications. It is a single diode and is typically used for voltage regulation, battery protection, and voltage-limiting applications. This diode is packaged in the 3-pin SOD-323 package, which allows for efficient heat dissipation and protection from shock and vibration. It can operate over a wide range of temperatures, with a low maximum reverse voltage, a low reverse leakage current, and a low maximum reverse power dissipation.

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