PZU6.8BA,115

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A Zener diode is a type of diode that is designed to have a large breakdown voltage, allowing it to be used as a voltage regulator. A PZU6.8BA,115 is a single type of Zener diode, meaning that it is composed of a single diode as opposed to pairs of diodes in series or other configurations.Zener diodes are most commonly used to provide stable voltage references and as such, their breakdown voltage must not be exceeded. When reverse biased, the PZU6.8BA,115 will breakdown at a voltage of 6.8V in the reverse direction, providing a precise reference for circuit operation.

The PZU6.8BA,115 is designed to operate within a relatively small voltage range and thus is typically used for low current applications requiring a low voltage drop and a precise voltage reference. It is often used in low current regulating circuits, level sensing circuits and as an overvoltage protection device. Additionally, they are often used as clamping diodes in order to protect transistor amplifiers and other sensitive components from voltages above the breakdown voltage.

The working principle behind the PZU6.8BA,115 is grounded in the behavior of a reverse biased PN junction diode. When a diode is connected in reverse bias, it acts as a closed switch. However, if a large enough reverse voltage is applied, the junction of the diode will break down, allowing a large amount of current to flow in the reverse direction. This breakdown voltage varies depending on the type of diode and is called the “Zener voltage” for a Zener diode. In the case of the PZU6.8BA,115, the breakdown voltage is 6.8V, allowing it to be used as a precise voltage regulator.

Once the reverse voltage across the PZU6.8BA,115 reaches its breakdown voltage, it will conduct current in the reverse direction. This current will then be limited by the external series resistor in the circuit which acts to limit the voltage drop across the diode. By limiting the current in this manner, the PZU6.8BA,115 can be used as a voltage reference. In the event of an overvoltage across the diode, the external series resistor will keep the voltage drop at the Zener voltage, thereby preventing an excessive voltage from overloading the circuit.

In summary, the PZU6.8BA,115 is a single type of Zener diode with a breakdown voltage of 6.8V. It is most commonly used as a voltage reference in low current applications, as an overvoltage protection device, and as a clamping diode to protect sensitive components from voltages above its breakdown voltage. Its working principle is grounded in the behavior of a reverse biased PN junction diode and its current is limited by an external series resistor to protect the circuit from overvoltages.

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