CD0603-Z7V5

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CD0603-Z7V5 is a type of single Zener diode which is used in circuit protection and relatively low power regulation applications. It is a three-terminal voltage regulator that helps to protect analog and digital circuits from overvoltage, providing a relatively safe voltage to any connected components. It also has a reverse breaking feature which dissipates high energy spike and provides good load regulation. To find a suitable Zener diode for a specific application, it is important to understand the working principle, application field, and electrical characteristics of the device.

Working Principle

A Zener diode utilizes a reversed biased diode connection, with both the anode and cathode connected to the same node, in order to regulate a steady voltage flow. This conduction is done using a p-n junction. When the cathode is raised in a reverse bias, holes and electrons become trapped by the potential well. If the voltage is high enough, the electric field with greatly increase, which breaks down the barrier in a process called Zener breakdown. When this breakdown occurs, current starts to flow, and it is regulated by the resistor placed in series. Hence the voltage becomes regulated at a very stable level. This is the main principle of Zener diode.

Application Fields

The CD0603-Z7V5 can be used in a range of applications requiring stabilized voltage such as protection against overvoltage and wireless communication devices. It is also useful in single step voltage reduction like a voltage regulator. CD0603-Z7V5 can be also used in amplifier circuits, power supplies, LED power supplies as well as clampers.

The CD0603-Z7V5 is designed for moderate-power and low-current applications that require effective regulation against input voltage variations. It has the capability to provide good and efficient zener regulation, be it AC or DC. Furthermore, CD0603-Z7V5 is also used in RF radio communication, such as transceivers, couplers, and amplifier receive and transmit circuits.

Electrical Characteristics

The CD0603-Z7V5 features a breakdown voltage of 7.2V and a maximum clamping voltage of 10V, with a maximum leakage current of 300nA. Its power dissipation rate is around 300 mW when operated in a free-air temperature of 25°C, making it an energy-efficient device. It has a reverse clamping breakdown voltage of 11V, with a very high surge current rating of 2A. Other major electrical characteristics of the device include zener voltage tolerance of +/- 5%, zener maximum reverse current of 1mA and maximum reverse voltage of 6.8V.

The CD0603-Z7V5 has adequate electrical characteristics to ensure efficient voltage regulation, protection against overvoltage, and a good load regulation. It is suitable for various moderate-power and low-current applications that require an effective and stable voltage rate.

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