2M68ZHA0G

2M68ZHA0G Application Field and Working Principle

Diodes - Zener - Single

The 2M68ZHA0G is a single, antistatic, 300 V, type 2M68, medium-power Zener diode, suited for use in a variety of applications. It is manufactured by NXP Semiconductors and has a maximum power dissipation of 200 mW. This diode’s dynamic impedance is 9 ohms and its maximum reverse voltage is 3 kV.

Zener diodes are semiconductor diodes that allow for the passage of electrical current in either direction, but break down in the reverse direction when the applied voltage reaches a specific amount. The breakdown voltage for a Zener diode is referred to as the Zener voltage or the “knee voltage”. The application of Zener diodes is typically in circuit protection, voltage regulation, and as a reference element. Often, Zener diodes are used in combination with other components in order to stabilize an input voltage.

The 2M68ZHA0G is a Zener diode developed by NXP Semiconductors, used in a variety of applications requiring voltage regulation and protection. This medium-power diode is antistatic and able to break down in the reverse direction when a threshold voltage is reached. The maximum reverse voltage for this diode is 3 kV and its dynamic impedance is 9 ohms. The 2M68ZHA0G is suitable for use in applications such as DC to DC converters, AC-DC power converters, power supplies, and automotive electronics.

The working principle of a Zener diode is based on the Avalanche breakdown phenomenon. When a reverse voltage higher than a certain breakdown voltage is applied to the semiconductor junction, a portion of the electrons get accelerated rapidly due to this voltage. These accelerated electrons cause further ionization of the junction, creating more free electrons and holes. This process of electron acceleration and ionization propagates in the reverse direction, creating a potential barrier in the junction which results in Zener breakdown.

At the Zener breakdown voltage, there is an abrupt increase in current through the diode and the voltage across the diode remains constant, which is the Zener voltage. Zener diodes provide a stable voltage reference, necessary for many electronic applications such as voltage regulation and overvoltage protection.

The 2M68ZHA0G is a type 2M68, medium-power Zener diode from NXP Semiconductors. It has a maximum power dissipation of 200 mW and a maximum reverse voltage of 3 kV, making it suitable for applications requiring voltage regulation and protection. This diode is antistatic and has a dynamic impedance of 9 ohms. It is used in a wide range of applications including DC to DC converters, AC-DC power converters, power supplies, and automotive electronics.