2EZ47D2E3/TR12

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2EZ47D2E3/TR12 Application Field and Working Principle

Diodes-Zener-Single, or Diode-Zener-Single (DZS) types are components that act as a single Zener diode with a single field-effect transitor (FET) connected to it, achieving a higher voltage level at the junction compared to that of an ordinary diode at the same current. A DZS diode can be used to protect against reverse voltage, noise, and electrical surges, and can also be used for voltage regulation.

Applications

The 2EZ47D2E3/TR12 is a type of single Zener Diode, which is typically used in applications where a higher voltage level is required, such as in medical devices, telecommunications, and computers. Furthermore, it is suitable for applications that require voltage regulation, such as motor control and cardiac pacemakers. It is also used in noise suppression applications to protect against power surges, and in automotive applications to reduce thermal noise.

Working Principle

Single Zener diodes are based on the Zener breakdown principle, where a voltage applied to the diode creates an electric field that increases with further application of voltage until the depletion layer is burst and a large amount of current is let through, thus regulating the voltage. In the case of a DZS diode, the field-effect transistor (FET) is then connected to the diode, allowing the current to be divided between the two components, which regulates the voltage at the junction to a higher level than that of an ordinary diode. When a voltage exceeding the Zener voltage is applied to the diode, the FET conducts and a large current flows, resulting in a controlled voltage at the junction.

Conclusion

The 2EZ47D2E3/TR12 is a type of single Zener Diode that is used to protect against reverse voltage, noise, and electrical surges, as well as providing voltage regulation for certain applications. It works by using the Zener breakdown principle to create a large current at the junction, which is then regulated by the parallel FET, resulting in a higher voltage level being created at the junction.

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