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Diodes - Zener - Single

The CZRB3130-G is a single Zener diode, used mostly in high voltage applications. The CZRB3130-G is a high voltage, low dynamic impedance diode, with a maximum reverse voltage of up to 3130 volts, and a maximum forward current of 2 Amp. In these high voltage applications, the Zener diode is a key component in preventing power surges that may harm other components in the circuit.

Application Field

The CZRB3130-G is most commonly used in Solar Cell systems, High-Voltage Direct Current (HVDC) transmission, and other high voltage power supply applications. The diode is also used in stabilizing circuits, where its maximum reverse voltage of 3130 V makes it suitable for applications with extremely high voltage needs.

Due to its low dynamic impedance, the CZRB3130-G is also suitable for high frequency applications. This is due to the fact that the low impedance means that the voltage drop across the diode will remain relatively low, allowing more stable operation of high frequency devices.

Working Principle

The working principle of the CZRB3130-G is that of a regular Zener diode. It operates similarly to a standard diode, except that it has a "breakdown voltage", which is a voltage at which it will increase its current conduction significantly. In other words, when the voltage reaches the "breakdown voltage", it will allow more current to pass through it, thus stabilizing the voltage in the circuit.

When the reverse voltage of the CZRB3130-G is below the breakdown voltage, the current through the diode is almost zero. As the reverse voltage increases until the breakdown voltage is reached, the current starts increasing gradually until it reaches a maximum at the breakdown voltage and then begins decreasing gradually. This transition from a low current to a high current is what stabilizes the voltage in the circuit and prevents power surges.

Once the breakdown voltage is reached, the forward voltage will remain stable regardless of the reverse voltage. This means that the CZRB3130-G can function as a voltage regulator, as it will help to ensure that a constant voltage level is maintained in the circuit. This is another key advantage of using the CZRB3130-G.

Conclusion

The CZRB3130-G is a high voltage, low dynamic impedance single Zener diode, mostly used in high voltage applications such as solar cell systems, HVDC transmission and high voltage power supply systems. Its key feature is its high reverse voltage of up to 3130 V, which makes it suitable for extremely high voltage applications. Its low dynamic impedance also makes it suitable for applications with high frequency devices, while its ability to act as a voltage regulator is an additional advantage.

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