BZT52-B5V6X

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	5.6V
Tolerance:	±1.96%
Power - Max:	590mW
Impedance (Max) (Zzt):	40 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 2V
Voltage - Forward (Vf) (Max) @ If:	900mV @ 10mA
Operating Temperature:	-55°C ~ 150°C (TA)
Mounting Type:	Surface Mount
Package / Case:	SOD-123
Supplier Device Package:	SOD-123

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Introduction

The BZT52-B5V6X is a single Zener diode made by Bourns Electronics. It is mainly used for electronic circuits, especially for protection of electronic components or circuits from over-voltage condition. This diode provides very reliable over-voltage protection and low temperature coefficient. This diode can operate up to 55 V reverse bias voltage and have surge power capability up to 400 mW.

Applications

The BZT52-B5V6X is mainly used for over-voltage protection applications, such as over-voltage protection circuits, TV receivers, LED drivers, etc. Apart from protection purpose, the diode can also be used as current regulator or voltage clamping device.

Over-Voltage Protection Circuits

The BZT52-B5V6X can be used in over-voltage protection circuits such as TV receivers, circuit boards, etc. These circuits need over-voltage protection from short circuit or other electrical faults. With the help of this diode, this protection can be provided.

TV Receivers

In TV receivers, the BZT52-B5V6X is mainly used for over-voltage protection. It protects the components from damages caused by transient over-voltage condition or surge current. It also provides additional stability to the main electrical circuit.

LED Drivers

The BZT52-B5V6X is also used in LED drivers. It limits the reverse current that is flowing in the LED while providing protection against over-voltage. By doing so, it protects the overall circuit and also reduces power consumption.

Working Principle

The BZT52-B5V6X diode works on the principle of ‘Zener breakdown’. With the BZT52-B5V6X, when the reverse voltage is increased beyond the Zener voltage (represented as Vz in the diode datasheet) the diode starts to break down and get deposited on the junction. Due to this electrostatic deposition, current will start to flow in the reverse direction and the voltage across the junction will become constant and stable, which is known as the Zener voltage of the diode.

Conclusion

The BZT52-B5V6X single Zener diode is an efficient device for over-voltage protection, current regulation and voltage clamping applications. By understanding the working principle of this diode, it can be used safely and effectively and can provide reliable protection against over-voltage.

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