TZX3V0A-TR

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3V
Tolerance:	--
Power - Max:	500mW
Impedance (Max) (Zzt):	100 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 500mV
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35

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Diodes - Zener – Single: TZX3V0A-TR Application Field and Working Principle

The TZX3V0A–TR is a commonly used Zener diode that belongs to the family of single–terminal semiconductor devices. It is used for a wide range of applications, including voltage regulation, voltage spike protection, and the design of power systems. This diode is small in size, possessing a very low reverse transfer capacitance and a very low forward voltage drop. The voltage regulation and current limiting features of the TZX3V0A-TR make it suitable for many applications, including powering microprocessors, stabilizing surge current, providing electrostatic protection, controlling diode reverse conduction, and voltage dividing.At the core of the TZX3V0A-TR is the PN junction, the building block of all diodes. This junction is created by joining two different substances: a lightly doped region called the N-type, which has an abundance of free electrons, and a heavily doped region called the P-type, which has an abundance of positively charged holes. This arrangement creates two regions – the Anode and the Cathode, which are separated by the depletion layer. The depletion layer gives the diode its ability to resist current in the reverse direction.The TZX3V0A-TR is a device that utilizes the PN junction to create a voltage regulating mechanism. By connecting the diode’s Anode to a voltage source of higher potential, current begins to flow from the higher source to the lower source, jumping the PN junction. This is called forward-biased operation. As the current increases, the PN junction weakens and the reverse voltage increases. This voltage is the Zener voltage. The current begins to flow in reverse through the diode in properties known as the Zener Breakdown.In a reverse-biased operation, the TZX3V0A-TR acts as a voltage regulator. A reverse voltage is applied to the diode and its resistance will exponentially increase as the zener voltage is reached. After this, the diode acts as a perfect resistor. Its resistance is constant, and the current passing through it will remain the same. This stability allows the TZX3V0A-TR to achieve excellent regulation for systems that require reliable voltages.In addition to its excellent voltage regulation and resistance characteristics, the TZX3V0A-TR also has low forward voltage drop values. This low voltage drop is important because it keeps the diode from dissipating too much energy in the system. The diode also has a very low reverse transfer capacitance, making it well suited for circuits that operate at high frequencies. The TZX3V0A-TR also has a very low noise factor, making it suitable for power systems and audio applications.The TZX3V0A-TR is well suited for a variety of different application fields, particularly power systems, microprocessors, surge current stabilizers, and audio circuits. Its excellent voltage regulation and low forward voltage drop make it a great choice for circuit designers. With its reverse transfer capacitance and low noise levels, it makes a great choice for high-frequency circuits and audio designs. Overall, the TZX3V0A-TR is an excellent choice for a wide range of applications.

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