Diodes - Zener - Single

The 3EZ33D5-TP is a single zener diode from NXP Semiconductors. It is designed for suppressing small power surges, limiting voltage transients and providing reverse voltage protection. To understand the device better, it is important to learn more about its application field and working principle.

Application Field of 3EZ33D5-TP

The 3EZ33D5-TP is designed for a variety of applications, including regulating or stabilizing current or voltage, providing reverse voltage protection and suppressing small power surges in circuits. It can be used in AC/DC power supplies with logic controls, AC/DC converters, low-voltage power supplies, switching power supplies, power adapters and other electronic circuits that require reliable, long-term reliable reverse voltage protection.

Working Principle

The 3EZ33D5-TP is a Zener diode which passes current in both directions when reverse biased. When applying a voltage of 5V or greater, the voltage across the diode will remain constant. This principle is known as Zener breakdown where the electric field applied to the diode is greater than the breakdown voltage, allowing current to flow in both directions. In this way, the 3EZ33D5-TP provides reverse voltage protection, enabling current in one direction and preventing current in the other direction.

The 3EZ33D5-TP also has the capability of suppressing small power surges, limiting voltage transients, and providing transient protection from power surges. This is accomplished by the Zener diode clamps that occur when the diode is forward biased, and the current passes through the diode with the voltage remaining constant. This process is known as Zener clamping. When reverse biased, the diode prevents any excess current or voltage from crossing the air gap, preventing the circuit from experiencing a surge.

Conclusion

The 3EZ33D5-TP is a single zener diode from NXP Semiconductors, designed for a variety of applications including suppressing small power surges, limiting voltage transients and providing reverse voltage protection. The diode has the capability of clamps when forward biased to provide protection from power surges, and when reverse biased, it prevents excess current from crossing the gap. This makes the 3EZ33D5-TP an ideal choice for a wide range of applications ranging from AC/DC power supplies to power adapters.