3EZ130D5/TR8

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3EZ130D5/TR8 Application Field and Working Principle

The 3EZ130D5/TR8 is among the newly released family of Zener diodes from Taiwan Semiconductor. It is categorized under single diodes, commonly used in voltage-regulating and over-voltage protection circuits. As its name implies, it is able to protect against over-voltage conditions and it is suitable for applications requiring low-power dissipation and minimal component count requirements.

Features

The 3EZ130D5/TR8 is available in the form of SOD-123 packages, which are suitable for surface mount technology. It features a breakdown voltage of 5.0V, max power dissipation of 350mW and max forward voltage drop at 25oC of 1.2V. The device also exhibits a temperature coefficient of 2mV/K and a reverse leakage current of 1uA at 25oC.

Principle of Operation

This Zener diode exhibits reverse breakdown voltage which is the voltage at which the diode begins to conduct in the reverse direction. This is why it is used in voltage-regulating and over-voltage protection circuits. When the voltage on the diode exceeds the breakdown voltage, current is conducted in the reverse direction. This current is known as Zener current. The Zener current is typically small and does not damage the diode even when too much voltage is present.

In over-voltage protection circuit, the Zener diode behaves similar to a switch. When the voltage on the diode exceeds the breakdown voltage, the diode acts as a switch and it allows the current to flow in the reverse direction. This will prevent any further rise in the voltage which would otherwise damage the circuit components. The diode is also able to limit the amount of voltage that can flow through it. As such, it is capable of regulating the voltage and limiting it to the desired level.

Advantages

The advantages of the 3EZ130D5/TR8 Zener diode include its compact SOD-123 package which makes it perfect for uses in surface-mount designs. It also has a low power dissipation and a minimal component count requirement. This will result in a simpler and more efficient design. Furthermore, the diode\'s temperature coefficient is low and its reverse leakage current is also low, helping to reduce power consumption.

Applications

This Zener diode is suitable for use in voltage-regulating and over-voltage protection circuits, such as in an audio amplifier. It is also ideal for applications such as voltage stabilizers, voltage regulators, power supplies, DC/DC converters and many more. The device is suitable for a wide range of applications and is capable of providing reliable and stable performance.

Conclusion

The 3EZ130D5/TR8 Zener diode from Taiwan Semiconductor is a single diode that is suitable for use in voltage-regulating and over-voltage protection circuits. It has a low power dissipation, minimal component count requirements, and a temperature coefficient of 2mV/K. It is capable of providing reliable and stable performance and is suitable for a wide range of applications. The device is highly recommended for those who are looking for a high-performance, low-cost solution.

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