SML4761AHE3/5A

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The SML4761AHE3/5A is a single device, typically consisting of a single diode. It is an advanced, high-efficiency, low-power consumption solution designed for superior thermal performance.

Its primary application field is the reliable regulation and protection of low- and medium-voltage power systems – for example, microprocessors, modems, and other electronic components. In addition to its reliable regulation, the device is also intended for providing protection and safety against damaging power surges and transients.

The working principle of the SML4761AHE3/5A begins with the positive voltage applied to the anode, which is brought in contact with the device’s internal electrical circuitry. When the voltage on the anode reaches the device’s breakdown voltage (or ‘zener voltage’), the current through the device increases and the device is said to be ‘activated’. In this case, a zener diode is formed by the electrical circuitry, providing a defined voltage reference for the voltage. The zener voltage is usually within a few millivolts above ground potential.

When an overvoltage occurs, current flows from the anode to the cathode, discharging the voltage excess. In this way, the device functions as a voltage regulator and also serves to provide transient overvoltage protection, ultimately preventing damage to the component, system, or even the human body.

The SML4761AHE3/5A has a three- or five-amp forward current rating and is constructed of a thick-film on ceramic substrate with a thermal disconnect to prevent any external damages. Additionally, it features a built-in resistor-capacitor voltage regulator, allowing it to respond quickly to any external voltage changes. The advanced design and construction of the device allow it to provide a high level of safety and stability for all kinds of applications.

In sum, the SML4761AHE3/5A is an ideal single device for providing reliable protection in low- and medium-voltage power systems. Its relatively small size and low-power consumption make it suitable for a variety of applications. Its advanced design ensures high reliability and a long lifetime. Furthermore, its built-in resistor-capacitor voltage regulator and thermal disconnect ensure a safe and stable operation.

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