1N5535BUR-1

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Part Status:	Active

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Diodes - Zener - Single

The 1N5535BUR-1 is a high-performance Zener diode. It is designed primarily for use in regulating power supply and over-voltage applications. Its major features include low leakage current, high peak current capability, and fast switching time.

BAV99 Application Field

1N5535BUR-1 is a voltage regulation diode with excellent performance characteristics. It is commonly used in applications such as power supplies, linear regulator circuits, over-voltage and polarity protection circuits, and surge current suppression circuits. It is also used in semiconductor integrated circuits (ICs) and electronic circuits.

Working Principle

A Zener diode is a semiconductor device that allows current to flow in one direction, while blocking or regulating current in the opposite direction. The 1N5535BUR-1 has a low breakdown voltage of 5.7V and an avalanche current of 1A.When an external voltage is applied to a Zener diode, it begins to conduct current. This current increases until a breakdown voltage is reached. When this voltage is exceeded, the current passing through the device will be regulated by the Zener diode\'s internal impedance. This occurs due to the fact that the Zener diode\'s junction is reverse-biased and is made up of p and n-doped material. This means that the free movement of electrons from the n-doped material to the p-doped material is very restricted. As the voltage increases, the space charge increases and the potential barrier at the junction becomes weaker, causing more electrons to cross the junction and create a current.When the voltage across the device is above the breakdown voltage, most of the current is directly proportional to the voltage, meaning that the current through the device is regulated. This principle is known as the “Zener effect”.

Conclusion

The 1N5535BUR-1 is a high performance Zener diode. It is used in a wide variety of applications such as power supplies, linear regulator circuits, over-voltage and polarity protection circuits, and surge current suppression circuits. Its low leakage current, high peak current capability and fast switching time make it a very reliable device. The working principle of a Zener diode is based on the “Zener effect” where the current passing through it is regulated by the internal impedance of the device when a breakdown voltage is exceeded.

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