3EZ91D2/TR12

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Diodes, especially zener diodes, are essential components in many electronics systems due to their ability to regulate voltages. Zener diodes utilize the same principle of conduction as other standard diodes, but can also be reversed biased much like a standard diode. The 3EZ91D2/TR12 zener diode is a general-purpose device ideal for applications like circuit protection, voltage clamping, and power supply design.

3EZ91D2/TR12 Application Field

The 3EZ91D2/TR12 is a 500mW, 12V zener diode with a 0.1A maximum regulated current and a maximum breakdown voltage of 14.4V. This device is designed for a wide range of applications including circuit protection, surge protection, EMI/EMF suppression, and voltage regulation. It is also suitable for use as a voltage reference. It can also be used in automotive applications such as power supply design, voltage sensing, and overvoltage protection.

3EZ91D2/TR12 Working Principle

When forward biased, current flows from the anode to the cathode. When the diode is reversed biased, current flow is blocked until a certain breakdown voltage is reached. Once this voltage is reached, the diode begins to conduct, since the electric field created by the voltage drop causes electrons to accelerate across the junction between the two materials. This is called Zener breakdown. The amount of current that will flow depends on the amount of breakdown voltage applied.

The 3EZ91D2/TR12 is designed to exhibit a stable output voltage when operated in the breakdown region. It has a very low dynamic impedance, which means that it can respond quickly to voltage changes and prevent excessive current flow. The low dynamic impedance also keeps the output voltage stable even when large current is drawn from the diode.

Conclusion

The 3EZ91D2/TR12 zener diode is a general-purpose device with a wide range of applications, including circuit protection, surge protection, EMI/EMF suppression, voltage regulation, voltage reference, and power supply design. It utilizes the principle of Zener breakdown to regulate voltages and its low dynamic impedance allows for quick response and high performance under varying current loads.

The specific data is subject to PDF, and the above content is for reference