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Diodes - Zener - Single

The 2EZ51D5/TR12 is a single zener diode, an electronic component that can be used to control the voltage in an electric circuit. Zener diodes are often used to regulate the voltage in a power supply, as part of an overvoltage protection circuit, or as clamping devices. This component is a good choice for applications that require a low voltage drop and are not exposed to a high thermal load.

Operation

Essentially, a zener diode is a standard semiconductor diode but with a modified reverse-biased voltage breakdown behavior. When the voltage across the diode reaches its reverse breakdown voltage, the diode enters a region of high current conduction, known as the avalanche region. The reverse current through the diode is limited only by the external circuit impedance. This current is referred to as the zener current.

When placed in an external circuit, the 2EZ51D5/TR12 can be used to regulate the voltage across the diode, allowing the user to select a specific breakdown voltage by connecting resistor or other components to the external circuit. The voltage can be varied by changing the load resistance, thereby giving the user the ability to adjust the zener voltage.

Features

The 2EZ51D5/TR12 has several important features. One is the low thermal resistance and high power dissipation rating, which is important for applications where the diode will be exposed to a high temperature. Additionally, the diode has a low reverse voltage of 5 volts and a low parasitic capacitance.

Other notable features of the 2EZ51D5/TR12 include a moderate surge rating, a high breakdown voltage of 12 volts, and a low leakage current. This diode also has a low junction capacitance, which makes it an ideal choice for digital logic circuits. Additionally, this diode has an optional extended drain lead, which can be used to reduce voltage drops, further improving system efficiency.

Applications

The 2EZ51D5/TR12 has a wide range of applications. It can be used in power supplies and voltage regulators, overvoltage protection circuits, and as a clamping device. This diode can also be used as a current limiting element and in pulse applications, as well as in automotive or industrial equipment. Finally, the 2EZ51D5/TR12 can be used in digital logic circuits due to its low junction capacitance.

Conclusion

The 2EZ51D5/TR12 is a single zener diode with a wide range of applications. This diode has a low reverse voltage of 5 volts, a high breakdown voltage of 12 volts, and a low parasitic capacitance. It is ideal for power supplies, voltage regulators, overvoltage protection circuits, current limiters, and digital logic circuits. Additionally, the 2EZ51D5/TR12 has a low thermal resistance, a high power dissipation rating, and an optional extended drain lead for improving system efficiency.

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