SMAJ4463CE3/TR13

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Diodes, also known as rectifiers, are two-terminal devices that allow current to flow in one direction only, usually from anode to cathode. Zener diodes are special types of diodes that allow current to flow in reverse as well, under certain conditions. The SMAJ4463CE3/TR13 is a single Zener diode, designed to help protect against overvoltage and overcurrent conditions in power convertible applications.

As with all Zener diodes, the SMAJ4463CE3/TR13 works on the principle of the Zener breakdown. This occurs when the voltage across the junction of the diode is increased beyond its Zener voltage rating or breakdown voltage. This breakdown causes a large number of electron holes in the depletion layer, allowing current to flow in the reverse direction. The diode will also turn on if the voltage is raised above the voltage of the breakdown point, allowing current to flow until the voltage is lowered back below the breakdown point.

The SMAJ4463CE3/TR13 Zener diode has a breakdown voltage of 4.63V, with a maximum working current of 250mA and a surge current of 1A. It is well-suited for use in automotive and industrial applications, and is widely used to protect low voltage power converters, since it can handle both overvoltage and overcurrent conditions with ease. The diode is also available in a small, SOD-123FL package, making it ideal for use in applications where board space is at a premium.

The SMAJ4463CE3/TR13 can be used in a variety of applications. In automotive applications, the diode is often used to help protect alternators or power supplies from direct negative transients, as well as to protect against load dumps and voltage spikes. In industrial applications, the diode can be used in power converters, such as DC/DC converters which step down high input voltages to a lower output voltage, or buck converters, which reduce voltage from a higher number to a lower number. In other applications, the SMAJ4463CE3/TR13 can be used as part of protection circuits, such as surge protectors, for protection during power interruptions or faults.

In summary, the SMAJ4463CE3/TR13 is a single Zener diode, designed to protect against overvoltage and overcurrent conditions in power converters and other applications. The diode works on the principle of the Zener breakdown, allowing current to flow in the reverse direction when a certain voltage is exceeded. It has a breakdown voltage of 4.63V, and can handle both overvoltage and overcurrent conditions with ease. The SMAJ4463CE3/TR13 is ideal for use in automotive and industrial applications, and can also be used in protection circuits and other specialized applications.

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