5KP90A-HRA

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TVS-Diodes are an important component in hundreds of electronic products and designs, and the 5KP90A-HRA application field and working principle are no exception. TVS-Diodes are used to protect sensitive electronic components from electrical transients caused by external sources and environmental disturbances that could otherwise cause permanent damage. This article will discuss the application field and working principle of 5KP90A-HRA and provide additional information about its features and benefits.

The 5KP90A-HRA is a self-contained low capacitance TVS device. Its electrical characteristics include a peak pulse power rating of 5 kW (typical) at 10/1000 µs, a breakdown voltage of 5.0 to 6.0 volts (I/O isolation 6/3 kV typical) at 10/1000 µs (8/20 µs) between the I/O pins, a peak pulse current rating of 4.5 A (typical), a clamping voltage of 10.8 V (typical) for an 8/20 µs maximum pulse, and a maximum reverse leakage current of 6.6 mA (typical) at reverse lead voltage of 4.5 V. The 5KP90A-HRA has a flat response curve up to 3 kHz, making it suitable for a wide range of applications.

The 5KP90A-HRA has an application field that covers the full spectrum of digital circuitry protection, including microprocessors, memories, computers, digital signal processors, microcontrollers, and programmable logic controllers. It is also suitable for use in vehicles, mobile phones, wireless digital communication systems, machinery and home equipment. Additionally, the 5KP90A-HRA is designed to provide fast and reliable protection against over-voltage Transients, thereby reducing downtime due to component failures caused by transient surges.

The working principle behind the 5KP90A-HRA is fairly simple. It works by using the metal-oxide varistor (MOV) in conjunction with a number of zener diodes. When a transient surge is detected, the MOV is triggered which redirects the surge current away from the sensitive electronics and through the zener diodes. This current is then dissipated safely away, protecting the circuitry from damage.

The metal-oxide varistor is the main component in the 5KP90A-HRA assembly and is responsible for clamping and dissipating the transient surge current away from sensitive device pins. Its clamping voltage is the maximum voltage that it can withstand and at which point current will flow through the assembly. The value of this clamping voltage is determined based on the size of the surge current expected.

In addition to the protection offered by the 5KP90A-HRA, it also has several additional features to enhance its performance. These features include a low capacitance (<4pF) to ensure minimal effect on signal transmission speed, an ultra-low leakage current for further power saving, and easy assembly due to its compact, global package.

The 5KP90A-HRA is a high performance, low-cost transient voltage surge protector that can be used for a wide range of applications. It offers superior protection for circuits against damaging transient surges, while its low capacitance ensures minimal effect on signal transmission speed. It is also easy to assemble and provides additional power saving due to its ultra-low leakage current. All of this makes the 5KP90A-HRA the ideal choice for protecting sensitive electronic circuitry from transient voltage surges.

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