BZM55B16-TR

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	16V
Tolerance:	--
Power - Max:	500mW
Impedance (Max) (Zzt):	170 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 12V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 200mA
Operating Temperature:	-65°C ~ 175°C
Mounting Type:	Surface Mount
Package / Case:	2-SMD, No Lead
Supplier Device Package:	MicroMELF

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Introduction

The BZM55B16-TR is a single Zener diode specifically designed for switching power supplies. It has a high current rating that makes it suitable for a wide range of applications. The device is designed to reduce undesirable noise or spikes in the output current of power supplies. It is also designed to have a good temperature coefficient, overvoltage protection, reverse recovery capability, and a long life.

Application Field

The BZM55B16-TR can be used to protect electronic components from potential damage caused by overvoltage or spikes. It is particularly useful in switching power supplies, where it can be used to ensure that the output current is stabilized and that the voltage fluctuation is reduced. It is also used in lighting applications, such as LED lighting, where it can be used to reduce power losses and reduce flicker. In addition, the device can be used to protect sensitive components from static electricity.

Working Principle

The BZM55B16-TR operates on the principle of Zener breakdown. The device is a standard silicon diode that is heavily doped to allow it to conduct the current in both directions. As the voltage across the diode exceeds the Zener voltage rating of the diode, the diode begins to conduct in the reverse direction, allowing the current to rush away from the diode. This largely eliminates voltage spikes as it dissipates the excess energy. The device is also designed with a reverse recovery charge that causes the current to reach a certain level before it flows in the reverse direction. This ensures that the current is properly dissipated before it can damage sensitive components.

Conclusion

The BZM55B16-TR is a single Zener diode specifically designed for switching power supplies. It is designed to reduce undesirable noise or spikes in the output current of power supplies and provides good temperature coefficient, overvoltage protection, reverse recovery capability, and a long life. It can be used in a variety of applications and is especially useful in switching power supplies and LED lighting, where it helps to reduce flicker and power losses. The device works on the principle of Zener breakdown and is designed to withstand reverse current and dissipate excess energy.

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