SML4762A-E3/61

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Diode zener is a form of diode that has a reverse voltage that can be controlled precisely due to its forward voltage and doping concentration. SML4762A-E3/61 is a type of such diode and can be categorized as “Single Zener” diode.

The SML4762A-E3/61 is typically used in switching mode power supplies and in voltage regulators when high reliability and low noise performance is required. The diode has a maximum power dissipation of 600mW with a maximum working voltage of 30V. It has a breakdown voltage of 39V±5%, and it comes with a maximum reverse current of 200µA.

In terms of its application field, this diode is often used in circuits for setting up the overvoltage protection or clamping voltage on the output of switching regulators. It can also be used in circuits where the DC load has to be configured to only allow a certain voltage. For example, in a voltage regulator, the SML4762A-E3/61 can prevent the output current from overrunning its limit and protect the external circuits.

The working principle of SML4762A-E3/61 is based on the ability of the diode to regulate the flow of current in both directions. In terms of its reverse voltage, the diode limits the voltage to the breakdown voltage of 39V. When current flows in the reverse direction, the diode blocks the current and this is known as the "zener breakdown". The breakdown voltage of the diode is also dependent on the doping concentration of the material used to make the diode which determines the "critical voltage".

In terms of its physical structure, the SML4762A-E3/61 diode is made of a semiconductor material, such as silicon, gallium arsenide or gallium nitride. The two ends of the diode are known as the anode and the cathode. The anode is the positive end of the diode and the cathode is the negative end. The two ends are connected to electrodes which surface mount on the printed circuit board.

Overall, the SML4762A-E3/61 is a versatile diode that can be used in a variety of applications, such as providing overvoltage protection, clamping voltage, regulating DC loads and more. Its breakdown voltage of 39V makes it an ideal choice for circuits that require precise control over the flow of current.

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