Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Voltage - Zener (Nom) (Vz):	3.9V
Tolerance:	±5%
Power - Max:	500mW
Impedance (Max) (Zzt):	23 Ohms
Current - Reverse Leakage @ Vr:	10µA @ 1V
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 200mA
Operating Temperature:	-55°C ~ 150°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35
Base Part Number:	1N5228

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Diodes - Zener - Single

A 1N5228B-TP is a single Zener diode device, specifically a 500mW Zener Voltage regulator. It has a wide range of applications, but it is mainly used for regulating the voltage in electric circuits. In this article, the application field and working principle of the 1N5228B-TP will be discussed.

Application Field of 1N5228B-TP

The 1N5228B-TP is designed for use in a variety of applications and industries. In the industrial sector, this device is used as a voltage regulator in circuits with low power needs or as a transient protector in power supplies or in high RC networks. In the automotive sector, the 1N5228B-TP is widely used in safety systems, such as car lights, interior electronics and in engine management systems. The device is also used in communications and telecommunications, in the form of surge protection. The device is used in the medical industry as well, primarily as a voltage regulator, due to its small size and low power needs. Its low leakage current and low power dissipation also makes it a great choice for telemetry instruments.

Working Principle of 1N5228B-TP

The 1N5228B-TP is a Zener diode, which means it behaves like a regular diode when forward-biased, but when reverse-biased, it works like an avalanche diode. When reversed-biased, the diode breaks down and the current flow is multiplied. This creates an avalanche effect, which makes the current flow more efficient. The device is designed to breakdown at a certain voltage, usually 5.6V, which makes it great for regulating the voltage in electric circuits. When the voltage in the circuit is below 5.6V, the device will allow the current to flow, but when the voltage exceeds this threshold, the diode will break down and limit the current. This makes it great for protecting sensitive electronic components. The diode can also be used as a transient protector, due to its ability to break down and limit the current flow in the event of a short circuit.

Conclusion

The 1N5228B-TP is a single Zener diode device with many applications. It is primarily used as a voltage regulator for low power circuits and as a transient protector for power supplies, high RC networks and telemetry instruments. It works by breaking down when the voltage exceeds a certain threshold, usually 5.6V, and limiting the current flow in the circuit. This makes it great for protecting sensitive electronic components, and it is widely used in the automotive, industrial, communications and medical industries.

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