3EZ6.8DE3/TR8 Discrete Semiconductor Products

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A 3EZ6.8DE3/TR8 diode is a single Zener diode typically used in specialized applications. Zener diodes are unique components that allow reverse current flow when a predetermined reverse voltage, called the Zener voltage, is exceeded. The 3EZ6.8DE3/TR8 diode is typically used in applications such as regulating the voltage in LED lighting, limiting current spikes, or as a voltage reference in printed circuit boards.

Application Field

The 3EZ6.8DE3/TR8 diode is commonly used for controlling the output voltage in LED applications. It can be used as in a buck or boost converter for voltage regulation, as a voltage reference for circuits and systems, or as a protection device. Additionally, the diode can be used in power supplies, amplifiers or other situations requiring protection from current limit or voltage regulation.

Working Principle

The 3EZ6.8DE3/TR8 diode works by connecting between two voltages, the anode being connected to the higher voltage, and the cathode to the lower voltage. When the anode voltage exceeds the Zener voltage of the diode, called the breakdown voltage, electron current (Iz) flows through it in the reverse direction. This Iz current is much lower than the current in other types of diodes, and when the reverse voltage is between the Zener voltage and the knee voltage, the Iz current will remain stable until the reverse voltage reaches the Zener voltage.

The typical forward voltage drop of the 3EZ6.8DE3/TR8 diode is 0.7 to 1.3 volts, depending on the load current. The diode is also designed to operate in temperatures from -55 to +125°C, and is rated for 1.5A continuous current, or 3A peak and 5A surge current.

The Zener voltage of the 3EZ6.8DE3/TR8 diode is between 6.7V and 8.1V, with a tolerance of ±6%. The Zener impedance is between 6Ω and 22Ω, while the maximum power dissipation is 160mW.

The 3EZ6.8DE3/TR8 diode is a useful component for a variety of applications, from regulating the output voltage from LED lighting to voltage reference in printed circuit boards. The component is fairly simple to use, but care must be taken when using it as a protection device, and as with all components, knowledge of the component and its specifications is important to ensure its proper use.

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