BZX85C56-TR

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	56V
Tolerance:	±5%
Power - Max:	1.3W
Impedance (Max) (Zzt):	120 Ohms
Current - Reverse Leakage @ Vr:	500nA @ 43V
Operating Temperature:	-55°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-41

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Introduction
The BZX85C56-TR is a single Zener diode typically used in power management applications. It is a high-current, low-leakage voltage-regulating diode with a breakdown voltage of 5.6V. It is designed for optimized reverse power dissipation. The BZX85C56-TR is fabricated in planar technology and provides high levels of reliability and stability.

Function and Application
The BZX85C56-TR is primarily used to provide voltage regulation in a variety of applications, such as automotive, telecommunications, industrial and consumer electronics. It can be used to regulate supply voltages, and it is generally used as part of a power management circuit. The diode can also be used as a standard rectifier diode in many types of circuits.In automotive applications, the BZX85C56-TR is used in power supplies and local power regulators. In telecommunications applications, the diode can be used as part of an ESD (Electrostatic Discharge) protection circuit. It is also commonly used as a voltage regulator in consumer electronics, such as in television power supplies. In industrial applications, the diode is used to regulate 48V DC sources and provide voltage tolerance in power supplies.

Working Principle
The BZX85C56-TR works by providing a constant reference voltage. When the input voltage is below the Zener breakdown voltage of 5.6V, the diode behaves as a normal diode, allowing current to flow in only one direction. When the input voltage is above the Zener breakdown value, the diode begins to conduct in both directions, allowing current to flow from the anode to the cathode as well as from the cathode to the anode. This is known as "bi-directional" conduction.The diode also behaves as a voltage regulator, providing a constant voltage to the load circuit. This is known as Zener voltage regulation, and it occurs when the voltage across the diode is greater than the diode’s breakdown voltage. As the input voltage changes, the Zener diode will regulate the output voltage to a constant reference level.

Benefits
The BZX85C56-TR provides a number of benefits over conventional power management solutions. Its planar construction provides excellent long-term reliability and thermal stability. The diode also has a low leakage current and can operate at high temperature ranges. Furthermore, the diode is also cost-effective and has a small size, making it ideal for a variety of power management applications.

Conclusion
The BZX85C56-TR is a high-current, low-leakage Zener diode used in a variety of power management applications. It is fabricated in planar technology, providing excellent long-term reliability and thermal stability. The diode also provides voltage regulation in a variety of applications, making it a cost-effective solution for power management.

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