CDZVT2R2.2B Discrete Semiconductor Products

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	2.2V
Tolerance:	--
Power - Max:	100mW
Impedance (Max) (Zzt):	100 Ohms
Current - Reverse Leakage @ Vr:	120µA @ 700mV
Operating Temperature:	150°C
Mounting Type:	Surface Mount
Package / Case:	2-SMD, Flat Lead
Supplier Device Package:	VMN2M

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The Application Field and Working Principle of CDZVT2R2.2B

Introduction

CDZVT2R2.2B is a single device classified as a type of diode, more specifically, Zener, and is manufactured and sold by Diodes Incorporated. It is a part of the company’s growing registry for Zener diodes, allowing for higher-efficiency applications involving rectification and voltage regulation.

What is a Zener Diode?

A Zener diode is a type of diode characterized by its capability to pass through a current in both polarities. This function results in reverse-bias characteristic, where it works like a metal-oxide-semi-conductor diode in reverse, where the cathode electrode is at a lower voltage than its anode. In addition, this type of diode (also referred to as a “breakdown” diode) has a breakdown voltage that is low enough to allow current to flow both ways, even as the voltage increases. This feature is valuable when one needs to maintain a stable voltage in a circuit, or buffer noise interference.

Application Field of the CDZVT2R2.2B

CDZVT2R2.2B is primarily leveraged for its rectification and noise filtering capabilities. As a rectifying diode, it helps to regulate the amount of current that flows through a circuit and ensures that voltage-related breakouts are nullified. As a noise filter, it helps to reduce the amount of interference present in the circuit.The Zener diode is also suitable for usage in mobile devices due to its low voltage breakdown, high speed switching, and low power dissipation capabilities. Moreover, because the forward voltage needs to be pre-set and can be modified in accordance with need, the CDZVT2R2.2B is particularly suited to low voltage applications in the automotive industry.

Working Principle of the CDZVT2R2.2B

The CDZVT2R2.2B works on the same principle as other Zener diodes, with a few variations namely the breakdown voltage and current rating. In a forward bias, the diode operates similarly to a normal diode, providing power from its anode to its cathode. In reverse bias, however, the device behaves differently.When the reverse bias voltage reaches the breakdown value of the diode, current is passed through the device in the opposite direction. This occurs when the cathode voltage is higher than the anode voltage, and the current passing through increases exponentially with the increase in voltage; ensuring that the circuit does not get destroyed as the voltage increases.Essentially, the CDZVT2R2.2B functions as a voltage regulator and noise filter when used in electrical circuits. By simultaneously allowing a small current to flow while blocking large reverse-bias currents, the device is capable of maintaining the voltage output of the circuit while protecting it from external interference.

Conclusion

The CDZVT2R2.2B is an invaluable part of many circuits due to its capabilities for regulating and rectifying current, and for filtering noise. Its applications extend to those in the automotive industry due to its low voltage breakdown and low power consumption. Its ability to be controlled through reverse bias voltage also allows for greater tweaking if necessary. Ultimately, the CDZVT2R2.2B is an example of how, with the right understanding of how it works and how to use it, a device, no matter how small, can prove invaluable in engineering and technological applications.

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