BZW03D22-TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	22V
Tolerance:	±10%
Power - Max:	1.85W
Impedance (Max) (Zzt):	3.5 Ohms
Current - Reverse Leakage @ Vr:	2µA @ 15.8V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 1A
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	SOD-64, Axial
Supplier Device Package:	SOD-64

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Diodes - Zener - Single: BZW03D22-TR

A BZW03D22-TR is a Zener diode specifically designed for use in General Purpose, High Speed/Low Power Applications. Zener diodes are used to create a stable and easily adjustable voltage reference in circuits. They are often used for voltage regulation, smoothing out voltage surges and for voltage-level shifting between circuits. The BZW03D22-TR is a single, 22 Volt Zener diode that offers a power dissipation of 500 mW and a peak forward and reverse surge current of 1.5 A.

Working Principle

Zener diodes work by leveraging the effect of reverse voltage breakdown. In a diode, forward voltage is defined as a voltage applied in one direction (in this case, the anode-to-cathode direction) resulting in current flow. However, when the applied voltage is reversed, what is known as the Zener effect occurs. The Zener effect is an avalanche breakdown between two junction levels or the depletion layer due to electric fields. This results in a large amount of current flow in the opposite direction as before, known as the Zener current. This adjustable current is what permits Zener diodes to be used as voltage references in circuits.

Application Field

The low power and high speed offered by the BZW03D22-TR makes it well suited for a variety of applications. It is commonly used in DC-to-DC converters, linear regulators, load balancing and even battery balancing. In these applications, the Zener diode runs parallel to the load and is designed to pull excess current away from the main load, protecting the circuit from damage. The Zener diode does this by setting a specific voltage level below which any additional current is directed away from the main load. The BZW03D22-TR can also be used to provide over-voltage and reverse voltage protection in a variety of applications. In general purpose applications, the BZW03D22-TR is used to create a stable voltage reference in circuits. The Zener voltage is determined by the efficiency of the junction and can be easily adjusted by changing the voltage of the diode. Circuits containing the BZW03D22-TR can be used for a variety of purpose, such as signal conditioning, noise reduction, voltage smoothing, voltage regulation and voltage-level shifting between circuits. In summary, the BZW03D22-TR is a low power, high speed Zener diode designed for use in general purpose and high speed/low power applications. It offers superior protection from over-voltage and reverse-voltage and is capable of providing a stable and adjustable voltage reference. It is commonly used in DC-to-DC converters, linear regulators, load balancing and even battery balancing. In general purpose applications, it is used to provide voltage regulation, voltage-level shifting and signal conditioning.

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