Series:	Automotive, AEC-Q101, BZG04-M
Part Status:	Active
Voltage - Zener (Nom) (Vz):	180V
Tolerance:	--
Power - Max:	1.25W
Current - Reverse Leakage @ Vr:	5µA @ 150V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 500mA
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	DO-214AC (SMA)

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Diodes - Zener - Single

Introduction

A Zener diode is a type of diode with a special property; it allows current to flow in either direction when a certain voltage (known as the Zener voltage) or higher is applied. The Zener diode is aptly named after Nobel Prize winner Clarence Zener, who discovered its unique properties in the early 1930s. The most common application of a Zener diode is to use it as a voltage regulator.

BZG04-150-HM3-08

The BZG04-150-HM3-08 Zener diode, manufactured by Vishay Semiconductors, is a silicon-based diode with a rated Zener voltage of 8 volts. This diode is designed for surface-mount applications, making it ideal for integration into densely populated devices. The diode features a power rating of 150 mW with an environmental temperature range of -65°C to +150°C. The maximum current this diode can handle is 91 mA, with a nominal capacitance of 8.1 pF at 1V.

Application Field

BZG04-150-HM3-08 Zener diode can be found in a wide range of devices, from medical equipment to consumer electronics. In medical devices, it is used to regulate the voltage in ECG and breathing monitors, while in consumer electronics it is used to regulate the voltage in phone chargers and other electronic gadgets. Other common uses of the BZG04-150-HM3-08 include power supply circuits, over-voltage protection, and data line termination.

Working Principle

The working principle of the BZG04-150-HM3-08 Zener diode is that when reverse biased, the diode\'s electric field degrades the silicon lattice structure near the junction. This affects the charge carrier transport at the junction, creating a continuum of allowed energies states. When the reverse voltage exceeds the Zener voltage of 8V, the diode can conduct current in the reverse direction and balance the voltage across the diode. By doing so, the Zener diode can maintain the constant output voltage, providing the desired zoning effect.

Conclusion

The BZG04-150-HM3-08 Zener diode is a versatile device that finds application in a variety of devices from medical equipment to consumer electronics. Its most common application is to regulate the voltage, and it accomplishes this by allowing current to flow in either direction when the Zener voltage or higher is applied. By carefully controlling the current flow, the BZG04-150-HM3-08 Zener diode is able to regulate the output voltage, providing the desired zoning effect.

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