TDZVTR18

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Diodes - Zener - Single

TDZVTR18 is a single Zener diode, whose volt-ampere characteristics enables it to serve as a voltage regulator. It is capable of sustaining a very large current and is also a very fast switching component. It is also capable of dissipating large amounts of power and is often used in circuit protection applications.

Application Field

The most common application of TDZVTR18 is as a voltage regulator. The voltage regulator diodes are capable of providing a very stable voltage source, which can be used to control current in a circuit. It is also used for voltage division and as an on/off switch for power supply circuits. This diode can also be used as an ESD (electrostatic discharge) protection diode in various consumer electronics. In addition to this, it is also often used as avalanche diodes and surge suppressors in various industrial and consumer electronics.

Working Principle

Zener diode act in two modes: forward bias and reverse bias. In forward bias mode, the applied voltage across a Zener diode is kept below the rated breakdown voltage. This prevents the Zener diode from conducting current, thus acting as an insulator. However, when the applied voltage across the Zener diode exceeds the rated breakdown voltage, the Zener diode begins to conduct current and act as a resistor. In this manner, the diode is able to produce a regulated voltage under varying current conditions in the circuit.

In reverse bias mode, the current flow reverses and the Zener diode acts as a resistor which limits or regulates the amount of current which flows through the circuit. Zener diodes are used in countless applications and are especially useful in applications where current needs to be limited in order to prevent high voltage power surges. TDZVTR18 is one of the most common Zener diodes used in a variety of applications.

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