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Diodes - Zener - Single

PTZTE255.1B is a single zener diode that used in a wide range of applications in consumer electronics, industrial, automotive, aerospace and other fields. Its main function is to provide protection from overvoltage and to offer voltage stabilization. It comes in different packages e.g., surface mount SOT89 and through hole DO41.

In terms of its construction, PTZTE255.1B is a PN junction diode with a Zener breakdown voltage of 5.1V. The Zener breakdown voltage denotes the voltage at which the diode can pass readily higher current than it was designed for without being destroyed. This is also referred to as the reverse breakdown voltage. The PTZTE255.1B has a maximum power dissipation or continuous power dissipation of 500 mW.

Applications for the PTZTE255.1B include voltage regulation, transient overvoltage protection, over-temperature protection and reverse-battery protection. The diode offers excellent temperature stability due to its highly temperature compensation characteristic.

The working principle of the diode is simple. When a reverse bias is applied to the diode, it blocks the current, meaning that no current flows until the Zener breakdown voltage is reached. The breakdown voltage of the diode is 5.1V, meaning that no current will flow until a voltage greater than 5.1V is applied. At this breakdown voltage, the diode begins to conduct and the current will flow through it, limiting the voltage to the predetermined value of 5.1V.

The typical forward voltage drop of the diode is 0.7V, meaning that the circuit will be supplied with a 5.1V voltage. This voltage is provided by a power source and is used to drive the output voltage of the circuit.

The PTZTE255.1B is a robust and reliable device that is designed to withstand a wide range of temperatures from -40°C to 125°C. It is suited for both through-hole and surface-mount applications and is widely used for various consumer electronics, industrial, automotive, and aerospace applications.

In conclusion, the PTZTE255.1B single Zener diode is a robust and reliable device that is used to provide reverse voltage protection and voltage stabilization in a wide range of consumer electronics, industrial, automotive, aerospace and other fields. It provides excellent temperature stability due to its highly temperature compensated characteristic and its breakdown voltage is 5.1V.

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