5KP28A-HRA-B

Voltage - Clamping (Max) @ Ipp:	45.4V
Supplier Device Package:	P600
Package / Case:	P600, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	5000W (5kW)
Current - Peak Pulse (10/1000µs):	112.3A
Series:	5KP-HRA
Voltage - Breakdown (Min):	31.1V
Voltage - Reverse Standoff (Typ):	28V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

TVS (transient voltage suppressors) diodes are a type of specialty electronic component that protect sensitive circuits and components from transients of power that can damage or destroy them. The 5KP28A-HRA-B TVS diode is a particular device that is particularly useful for applications with higher power levels or complex circuits such as multi-level power supplies, SMPS applications, and isolated DC/DC converters.

Features

The 5KP28A-HRA-B TVS diode offers the following features:• Surge energy rating of approximately 28A at 8/20μs with a maximum clamping voltage (VC) of 32V• Low clamping voltage and tight VBR window for excellent surge protection• Low leakage current for reliable circuit protection• Excellent high temperature performance to 25V VC• Solderable terminals for ease of installation

Application Field

The 5KP28A-HRA-B TVS diode is primarily designed for protecting sensitive electronic devices from various kinds of transient voltage spikes. It is configured as a bidirectional device, meaning that it is able to withstand transients flowing in either direction. Its higher surge energy rating (28A) makes it particularly suitable for applications that require more protection from power spikes.One of its primary applications is in multi-level power supplies or AC power sources, which can produce complex voltage surges that are challenging for other devices to protect against. As such, the 5KP28A-HRA-B is a great choice for this type of application.It has also been widely used in SMPS (switched-mode power supplies) as they are generally more sensitive to voltage surges. This is particularly true in isolated DC/DC converters, as the complex operation of these devices tends to create a greater risk of surges that can damage components.

Working Principle

The working principle of 5KP28A-HRA-B TVS diode is quite simple. It is an MOV (metal oxide varistor) comprised of zinc oxide that is designed to provide protection against transient voltage surges. When a surge or transient occurs, the ZnO absorbs the excess energy, thus preventing it from reaching the sensitive components and damaging them.This device also features a low leakage current, providing reliable protection in applications with sensitive electronic devices. The low clamping voltage and tight VBR window also help to ensure that the device is able to effectively dissipate the surge energy.

Conclusion

The 5KP28A-HRA-B TVS diode is a versatile, highly effective, and reliable device for protecting sensitive circuits and components from transient voltage spikes. It has many applications in multi-level power supplies, SMPS applications, and isolated DC/DC converters that require more protection from power spikes. This device also features a low leakage current and low clamping voltage to ensure reliable circuit protection.

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