Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	100V
Tolerance:	±5%
Power - Max:	1W
Impedance (Max) (Zzt):	350 Ohms
Current - Reverse Leakage @ Vr:	5µA @ 76V
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-204AL (DO-41)

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Diodes - Zener - Single

A Zener diode is an electronic component that allows current to flow in one direction but then if the voltage applied is high enough, it will enable the current to start flowing in the other direction as well. A Zener diode is therefore used as a voltage regulator, a surge protector, or a switch between different voltage points. The 1N4764A A0G is one such diode, and it has many different applications and working principles that must be understood before it can be properly utilized in any given system.The 1N4764A A0G diode is an 8.2 V Zener diode, meaning it is designed to protect against switching transients in a system where the maximum voltage can reach up to 8.2 V. It is designed to work with a relatively low power load, and its maximum current rating is 500 mA. This makes it suitable for use in low-voltage circuits where the power rating is below 500 mA, such as those used in small home appliances or other low-power projects.The 1N4764A A0G’s primary application field is in regulating voltage. When the available voltage exceeds 8.2 V, the diode will begin to conduct and divert the extra voltage that’s not needed, thus regulating the voltage supplied to the circuit. It also works as a surge protector for devices that require a lower voltage, as the diode will continue to protect the circuit even when higher voltages are applied. The 1N4764A A0G can also be used as an isolation switch between higher and lower voltages, as it will allow current to pass through, but with a regulated voltage.In practical applications, the 1N4764A A0G is often used in switching power supplies, DC-DC converters, and AC-DC inverters. In all these applications, it helps to regulate the voltage by diverting the excess voltage outward. It also helps to protect the circuit against short circuits, spikes, and other power irregularities.The 1N4764A A0G diode works according to the same principle that all Zener diodes work on. It is designed with a reverse breakdown voltage. When the voltage across it is reversed, it starts to conduct a current, and when the voltage is forward, it blocks any current from passing through. This is the basic principle on which all Zener diodes, including the 1N4764A A0G, function.To understand these principles more fully, one needs to look at the diode\'s characteristic curve. The characteristic curve of the 1N4764A A0G shows that when the applied voltage is below 8.2 V, the device will remain off, and will not conduct any current. However, when the voltage exceeds 8.2 V, the diode will begin to conduct, ultimately regulating the voltage across the circuit back down to its prescribed operating level.As demonstrated, the 1N4764A A0G diode is a versatile component that can be used in a variety of different applications. From voltage regulation and surge protection to isolation and even as a switch, it has multiple uses that can be utilized in any system. Understanding its working principle is the key to utilizing it properly in any given system.

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