VLZ4V3-GS08

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Diodes are components in a variety of electronic circuits and perform many important roles, ranging from signal conditioning and regulating to controlling power and protecting circuits from fault conditions. Zener diodes are a type of diode that utilizes the breakdown voltage effect (which occurs when the electric field strength provides enough energy to form an avalanche of electrons) to produce a regulated voltage.

Single diodes are a type of diode containing only one active element, and may include just the diode such as in a light emitting diode (LED) or may include additional components such as a zener element, a transistor or other components in a single device.

The VLZ4V3-GS08 is a single zener diode module which is a self supporting device and operates as a 2-terminal device, meaning it requires two connections; one for power and the other for ground. It provides a constant voltage independent of current and has an operating temperature range of -55 to +150°C. It is made up of a 4.7V zener diode encased in a molded SMD (surface mount package) with an additional feature of over-voltage protected power input and a power MOSFET output.

This product provides 0.5W of power, with a breakdown voltage between 3.5V to 4.3V, and a maximum reverse leakage of 10mA, a reverse current which flows when the diode is reverse-biased. Its features make it ideal for applications requiring high power.

The application fields of the VLZ4V3-GS08 include TV sets, monitors, mobile devices, communication devices and various kinds of electronic equipment.

The working principle of the VLZ4V3-GS08 is based on Zener breakdown. When a Zener diode is reverse biased, i.e. when a voltage is applied in the opposite direction to that of the diode\'s arrow, the voltage reaches a certain value before an avalanche breakdown occurs, resulting in current flow in the reverse direction. This results in a stabilized output voltage.

The VLZ4V3-GS08 is a 2-terminal device, meaning it requires two connections; one for power and the other for ground. It provides a constant voltage over a wide range of current and temperature variations. The over-voltage protected input feature ensures extra protection against transient pulses. This further strengthens the diode’s capability for protection and voltage regulation in applications which require high power.

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