1N4483

Series:	--
Packaging:	Bulk
Part Status:	Active
Voltage - Zener (Nom) (Vz):	56V
Tolerance:	±5%
Power - Max:	1.5W
Impedance (Max) (Zzt):	70 Ohms
Current - Reverse Leakage @ Vr:	250nA @ 44.8V
Operating Temperature:	-55°C ~ 175°C
Mounting Type:	Through Hole
Package / Case:	Axial
Supplier Device Package:	Axial

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1N4483 Application Field and Working Principle

The 1N4483 is a single Zener diode, and is a popular choice for general-purpose Zener diode applications. It can be used for voltage regulation, protecting components from overvoltage conditions, and in circuits that require a constant reference voltage. This diode is mainly used where a voltage reference is used in circuits or where low frequency stabilization is needed.The 1N4483 is a three-terminal semiconductor device whose primary function is to limit the voltage applied to a load. It is a type of voltage regulator that has a breakdown voltage of approximately 7.5 volts, with its terminals connected to a power source and the load. The width of the central junction of the diode, known as the Zener region, is controlled by the applied voltage, limiting the maximum voltage across the load. When the capacitance of the load is not large, the 1N4483 can also be used as a “saturation diode,” where its breakdown voltage acts as a voltage clamp, preventing excessive current from passing through the diode.The working principle of the 1N4483 relies upon the PN junction between two layers of semiconductor materials. When a forward voltage is applied across the diode, the circuit will be closed and current will flow from one side to the other in a single direction. However, if the voltage reaches the Zener voltage of 7.5 volts, the forward bias of the junction will be reversed and the diode will enter breakdown mode. This breakdown mode will be stable and allow current to continue flowing until the power source is removed or the voltage value reaches 0.The 1N4483 can be used in a wide variety of applications. It can be used in power supplies, such as switching power supplies, linear power supplies, LED driver circuits, and AC to DC converters. It can also be used in voltage regulation circuits, logic driver circuits, and rectifier circuits. In addition, it can be used in communication devices, such as modems, cellular phones, and satellite receivers, as well as in industrial control systems and automotive applications.In summary, the 1N4483 is a popular and efficient single Zener diode for general-purpose applications, offering a wide range of capabilities. It has a 7.5-volt breakdown voltage, and its breakdown mode will be stable, allowing current to continue flowing until the power source is removed or the voltage value reaches 0. With such features, the 1N4483 can be used in a variety of different applications, including power supplies, voltage regulation circuits, communication devices, and industrial control systems, among others.

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