PZU20BA,115

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A Zener diode is a type of semiconductor diode designed to conduct electric current in the reverse direction. This device was named after physicist Clarence Zener for his work in discovering this principle. Zener diodes are the most commonly used type of diode for voltage regulation in electronic circuits. The PZU20BA,115 is a single zener diode with a low maximum reverse current that is designed for use as a series regulator in applications from 5V to 20V.

The PZU20BA,115 is a silicon (Si)-based semiconductor with a single layer of n-type and p-type material. The n-type material is negative and is much less conductive than the p-type material which is positive. The diode’s structure has a p-n junction formed at the junction of the two materials. When a voltage is applied to the PZU20BA,115 in the forward direction, the n-type and p-type materials create an electric field, producing a high current of electrons that travels through the diode. This electric current carries energy across the junction and is converted into heat.

The PZU20BA,115 exhibits a unique property when reverse biased. This diode is designed to withstand a certain breakover voltage at which the reverse leakage current begins to increase exponentially. This breakover voltage (Vz) is referred to as the Zener voltage and is specific to the diode’s construction. The PZU20BA,115 has a Zener voltage rating of 20V, meaning that when the reverse voltage across the diode reaches 20V, the junction breaks down and current flows. This breakdown of the junction allows current to flow across, controlling the voltage level in the circuit.

The PZU20BA,115 is typically used to provide a stable voltage source in applications like overvoltage protection, clamper circuits, and level shifting. It can be found in electric circuits ranging from bench top lab equipment to portable consumer electronics. Its simple structure and low cost make it an attractive choice in many applications.

In order to limit the current that passes through the PZU20BA,115, a resistor is used in series with the diode. This resistor will act as a load and restrict the current when the voltage reaches the Zener voltage. The value of the resistor should be chosen so that it does not dissipate too much power and damage the diode. The maximum allowable power dissipation of the PZU20BA,115 is 1W.

Overall, the PZU20BA,115 single Zener diode is an efficient and cost-effective component for achieving voltage regulation in applications from 5V to 20V. The simple electrical structure and incorporation of a resistor for current limiting make it a great choice for voltage regulation in low-power electronic circuits.

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