BZV49-C12,115

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Zener diodes are semiconductor components that allow electric current to pass in one direction only, but also permit electrons to flow in the reverse direction when a specific reverse breakdown voltage - known as the Zener voltage - is reached. A BZV49-C12,115 is an example of a single Zener diode. It has a nominal breakdown voltage of 12.3V with a maximum stability of +/-5%. In this article, we’ll explore the application field and working principle of this device.

Application Field

The BZV49-C12,115 Zener diode is commonly used in low-noise electrophonic and communication applications. Its capability to control voltage makes it well suited for voltage regulation, voltage clamping and reverse current protection in precision electronic instruments. It is also suitable for use in integrated circuits and other surge protection applications. It can be used in various electronic projects such as power supply circuits, regulators, clippers and so on.

Working Principle

A Zener diode operates in two distinct modes: forward bias mode and reverse bias mode. In the forward bias mode, when the anode is connected to a positive voltage source, the n-type material in the P-N junction of the Zener diode allows electrons to flow from the n-type material through the junction and out of the diode. This process generates a voltage drop on the diode and stabilizes the voltage potential. When the P-N junction reaches the breakdown voltage known as the Zener voltage, the diode enters the reverse bias mode.

In the reverse bias mode, the n-type material in the P-N junction attracts holes and the Zener voltage increases. As the Zener voltage rises, current flows from the anode to the cathode, maintaining the Zener voltage at the mutually agreed-upon level. This ensures that the voltage seen at the output of the diode remains stable even though an input voltage may vary significantly.

Conclusion

In summary, the BZV49-C12,115 Zener diode is a single Zener diode with a nominal breakdown voltage of 12.3V and a maximum stability of +/-5%. Its applications include precision electronic instruments, integrated circuits, surge protection and other power supply circuits. The diode operates in two distinct modes: forward bias mode and reverse bias mode. In the forward bias mode, the diode’s voltage drop ensures the voltage potential remains stable. In the reverse bias mode, the Zener voltage increases and the current flows from the anode to the cathode, maintaining the Zener voltage at the same level.

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