BZX79C5V6TR

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	5.6V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	40 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 2V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 100mA
Operating Temperature:	-65°C ~ 200°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35
Base Part Number:	BZX79C5V6

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Introduction

BZX79C5V6TR is the part number for a Zener Diode, which is a single part semiconductor device with a unique application field and working principle. Put simply, a Zener Diode is a two-terminal device that can be used to either provide a known voltage or protect against unintended overvoltage in electric circuits. It is a special type of diode that has a reverse breakdown voltage which is set to a specific value during manufacture and can handle high voltages up to several hundred volts.

Application Field

The most common application field for a Zener Diode is voltage regulation. At very low currents, the device conducts in reverse, and the voltage across it is determined by its Zener voltage, which is usually marked next to the part number. This allows it to be used to regulate voltage in a circuit. Zener Diodes can also be used in surge protection, temperature sensing and power control.The most popular application of Zener Diode is in switching regulators. Due to their high reverse breakdown voltage, they can be used to protect against voltage spikes and prevent damage to sensitive components in the circuit. They can also be used to provide a known reference voltage to control the current through a transistor in the regulator circuit.

Working Principle

A Zener Diode is made of a semiconductor material with a heavily doped P-type layer and a lightly doped N-type layer, with an N-type layer on top of the P-type layer. As with all diode components, when a forward voltage is applied across it, charge carriers will move from the N- region to the P- layer, and a current will flow. However, when a reverse voltage is applied, the current will flow in the opposite direction.When a reverse voltage is applied across the Zener Diode, its reverse breakdown voltage will be reached, and at this point, the diode will start to conduct in reverse, allowing large amounts of current to flow. The results are a fixed voltage drop across the diode, which is set by its Zener voltage, and is usually between 2 and 200 volts. A Zener Diode can also be used in reverse to provide protection against overvoltage, since, when a certain voltage is exceeded, the current through the diode will increase and the voltage across it will decrease. This protects the circuit from damage due to overvoltage.

Conclusion

In conclusion, BZX79C5V6TR is a Zener Diode component with a unique application field and working principle. It can be used to provide a known voltage or to protect against unwanted overvoltage in electric circuits, and is typically used in voltage regulation, surge protection, and temperature sensing. Its working principle is based on the application of a reverse voltage to the device, which results in a fixed voltage drop across the component, determined by the Zener voltage.

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