UDZLVTE-1762 Discrete Semiconductor Products

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Diodes, Zener, and single varieties of such diodes, can be used in a variety of applications. The UDZLVTE-1762 is one such type, being both a Zener and a single diode. This particular device is a general-purpose, low-voltage low-dissipation surge protection device.

Applications

The UDZLVTE-1762 is used primarily for protecting sensitive electronic equipment in industrial, automotive, and communications applications from transient overvoltage events. The device has a wide range of operating voltages from 5.1V to 18V, and can be adapted to many applications. It can also be used in many types of sensitive circuits, like microelectronic circuits, where sensitive components such as ICs and transistors can be easily damaged due to voltage spiking.

The device is also suitable for usage in power supplies, industrial motor controllers, and many other facilities where high voltage flows through. Its commutating capability makes it ideal for these applications as it can handle high inrush currents, while still limiting the transient overvoltage. It is also great for EMI/RFI filtering, as it can reduce noise and spikes in the output.

Working Principle

The UDZLVTE-1762 works on the principles of Zener breakdown and avalanche breakdown. The Zener breakdown enables the device to clamp the voltage at its recommended operating voltage, hence protecting against voltage spikes above this level. On the other hand, avalanche breakdown works by allowing the current to increase during increasing voltages, up to a maximum value. Thus the device can survive the entire surge, rather than just the peak voltage.

The device has two main components, the Zener diode and an avalanche diode. The Zener diode acts like an adjustable voltage limiter, while the avalanche diode allows current to flow through the device. This combination allows the device to act as both a surge protector and a voltage regulator. When the input voltage increases, the Zener diode limits it, and the avalanche diode then takes the excess energy, thereby protecting the device against voltage spikes.

The device also features a built-in bias current source, ensuring a low-impedance connection to the load. This makes it efficient in dissipating the energy from transient events, allowing for a fast recovery time. The device also features surge protection on both directions of current, ensuring the device is protected from both positive and negative surges.

Conclusion

The UDZLVTE-1762 is a specific type of Zener and single diode that can be used in many applications. It is primarily used for protecting sensitive electronic equipment from transient overvoltage events, as well as power supplies, motor controllers, and other high voltage applications. It works on the principles of Zener and avalanche breakdown and is designed with two main components, the Zener diode and an avalanche diode. The built-in bias current source and surge protection on both directions make it efficient, fast-recovering, and reliable.

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