GLL4743-E3/96

GLL4743-E3/96 Application Field and Working Principle

The GLL4743-E3/96 is a Zener diode from the GLL diode family, a single operating diode designed for general use in a broad range of applications. The GLL4743-E3/96 is suitable for both reverse bias and forward bias applications. The GLL4743-E3/96 has a reverse breakdown voltage of 6.0V and a forward voltage of 1.1V. The maximum dissipation rating is 0.3A.

Types of Zener Diode

There are several types of Zener diode which can be used as single components to provide protection against over-voltage. These types include avalanche diodes, tunnel diodes, diode chain devices, light-emitting diodes and Avalanche-Zener diodes. The GLL4743-E3/96 is an Avalanche-Zener diode, which is the most commonly used type for general-purpose applications.

Reverse Breakdown Voltage

The reverse breakdown voltage of a Zener diode is the voltage at which the diode starts to conduct current in the reverse direction. This voltage is usually specified on the product datasheet. In the case of the GLL4743-E3/96, the reverse breakdown voltage is 6V.

Forward Voltage

The forward voltage of a Zener diode is the voltage at which current starts to flow in the forward direction. This voltage is also specified on the product datasheet. In the case of the GLL4743-E3/96, the forward voltage is 1.1V.

Maximum Dissipation Rating

The maximum dissipation rating of a Zener diode is the maximum amount of power that the diode can dissipate safely without overheating or damaging itself. In the case of the GLL4743-E3/96, the maximum dissipation rating is 0.3A.

Working Principle of a Zener Diode

A Zener diode operates according to the principle of increasing resistance in the reverse direction. When reverse voltage is applied to the diode, the electric field near the junction increases, resulting in an increase in resistance. The increased resistance prevents further current from flowing. The Zener diode is designed to operate in either the forward or reverse voltage direction, depending on the type of diode and the application. When it is operated in the reverse direction, a breakdown voltage is reached where the current starts to flow, and the voltage is clamped to a level which is specified in the product datasheet. This voltage is known as the Zener voltage.

In summary, the GLL4743-E3/96 is an Avalanche-Zener diode, suitable for both reverse and forward bias applications, with a reverse breakdown voltage of 6.0V, forward voltage of 1.1V, and a maximum dissipation rating of 0.3A. It operates according to the principle of increasing resistance in the reverse direction, and is designed to clamp the voltage to a specified level when operated in the reverse direction.