BZX84B20-E3-08

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	20V
Tolerance:	±2%
Power - Max:	300mW
Impedance (Max) (Zzt):	55 Ohms
Current - Reverse Leakage @ Vr:	50nA @ 14V
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Surface Mount
Package / Case:	TO-236-3, SC-59, SOT-23-3
Supplier Device Package:	SOT-23-3

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Introduction

A BZX84B20-E3-08 Zener diode is a type of semiconductor device that is widely used in a variety of applications and can be found in almost all electronic circuitry. It is a low current device, typically used in low power applications, that utilizes the reverse breakdown voltage effect of a diode to control the electrical current. As such, this particular diode is ideal for applications involving circuit protection, voltage regulation, and power regulation.

Application

The BZX84B20-E3-08 Zener diode is primarily used for regulating, controlling, and monitoring the voltage and current in various electronics and electrical devices. It is capable of regulating both AC and DC during electrical disturbances. This diode is also commonly found in applications such as video circuit switching, data communication systems, and load suppression.Because of its low power requirements, the BZX84B20-E3-08 Zener diode can also be used in low- or limited-voltage applications. This includes applications that involve low voltage power supplies, remote control systems, and circuit isolation. As such, this type of diode is ideal for systems that require low current and low power.The BZX84B20-E3-08 Zener diode is also well-suited for surge protection applications. It is designed to protect circuitry from voltage spikes and help stabilize AC and DC power supplies. The diode is able to absorb excess power and dissipate it as heat to avoid potential damage to the system.

Working Principle

The BZX84B20-E3-08 Zener diode works by utilizing the Zener breakdown effect. The diode is capable of withstanding a certain amount of voltage, causing the diode to reduce the voltage below its limits. This is due to the reverse break-down voltage of the diode, which is essentially a form of resistance once a certain voltage is exceeded. This can be used to either limit or regulate the current through the diode, depending on the desired application.The BZX84B20-E3-08 Zener diode also boasts a low noise characteristic. This means that it does not generate audible interference with other signals, which makes it an ideal choice for noise suppression applications.The diode also features an extremely fast response time, which is an important feature for surge protection applications. This allows the diode to react quickly to sudden changes in voltage and current, thus protecting the system from possible short-term damage.Beyond these features, the BZX84B20-E3-08 Zener diode includes a wide variety of other features, making it an excellent choice for a wide range of applications. These include adjustable common mode voltage, high voltage protection, and low thermal impedance.

Conclusion

The BZX84B20-E3-08 Zener diode is a versatile, yet low cost solution for a variety of applications. It is capable of regulating both AC and DC power supplies, is well-suited for surge protection, and boasts a low noise characteristic. The diode also has a fast response time, making it ideal for systems that require quick voltage and current adjustments. With these features, the BZX84B20-E3-08 Zener diode is a great choice for a variety of applications that require reliable and efficient voltage regulation.

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