3EZ19D5/TR8

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3EZ19D5/TR8 diodes are single zener diodes, meaning that they consist of a thin junction of a p-type and an n-type semiconductor material pre-engineered to provide a specific voltage value. Zener diodes are specially designed to be used in reverse-bias condition. When operated in reverse bias, they allow electric current to flow in both forward and reverse directions that is proportional to the applied voltage.

Since the 3EZ19D5/TR8 diode is specially designed to be operated at reverse bias, their application mainly resides in the area of voltage reference and voltage regulation. For example, they can be used to ensure a constant voltage output in a switching power supply, or in a battery charging system as a current limiter. They also offer protection against voltage surges, as it is designed to break the circuit when the voltage exceeds either a certain maximum or minimum level.

The working principle of the 3EZ19D5/TR8 diode is based on the breakdown voltage of the diode when it is operated at a certain voltage level. When a certain voltage level is reached, the electric field at the junction or interface of the p-type and n-type materials exceeds the threshold value and causes electric current to flow. This process is referred to as \'reverse breakdown voltage\' or \'zener breakdown\' and will remain stable until the applied voltage is higher than the specified reverse breakdown voltage. The reverse breakdown voltage of the 3EZ19D5/TR8 diode is 6.2V.

In terms of performance, the 3EZ19D5/TR8 diode is relatively reliable and cost-effective. It has low power dissipation, a low maximum operating temperature of 125 degree Celsius and a maximum load current of 321mA. Furthermore, it has a low junction capacitance which is favourable in applications where parasitic capacitance can affect the performance of the circuit. The size is also relatively small, making it suitable for portable applications.

In conclusion, the 3EZ19D5/TR8 single zener diode is a useful device for voltage regulation, protection, current limiting and other applications. It has low power dissipation, low capacitance and small size which makes it suitable for many circuit designs. With its reverse breakdown voltage of 6.2V, it ensures a steady voltage output which can be adjusted by changing the applied voltage. The 3EZ19D5/TR8 diode is an affordable, reliable, and easy-to-use choice for voltage regulation and other pertinent applications.

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