1.5KE20A/54

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TVS diodes are high-performance components used in a variety of different electronic equipment to provide protection from voltage surges. The 1.5KE20A/54 is one of the most popular TVS (transient voltage suppressor) diodes available today. This article will explore the application field and working principle of the 1.5KE20A/54.

The 1.5KE20A/54 TVS diode is a unidirectional device designed to provide over-voltage and over-current protection for electronic equipment, such as computers, telecommunications equipment, and medical equipment. It is a small-sized, low profile package that is easy to use in many different applications. It has an operating voltage range of between 5V and 180V, although other voltages are available. It is a general-purpose diode, with an average peak power dissipation of 55 Watts.

The 1.5KE20A/54 is typically used to protect against electrostatic discharge (ESD), electro-magnetic interference (EMI), and radio frequency interference (RFI) events. It contains a junction-isolated oxide semiconductor die that is designed to shut off or suppress overvoltage transients. The die is encapsulated in a low profile, surface mount package with lead-free silver plating and a high temperature epoxy overcoat. This package is suitable for use in sensitive applications.

The 1.5KE20A/54 has a high clamping voltage of 180V, which allows it to protect against large voltage spikes and ESD events. It has very low leakage current, making it well suited for use in battery powered applications. It also has a fast response time, which helps to ensure that transient voltages are effectively suppressed.

The 1.5KE20A/54 TVS diode operates on the principle of avalanche breakdown. When the voltage across the diode exceeds the breakdown voltage, the die starts to conduct current in strong short bursts. The current is limited by connecting a series resistor in parallel with the diode. This ensures that the current never gets too high. The series resistor also limits the voltage spike, which results in the protection of the device.

The 1.5KE20A/54 TVS diode is a versatile component with multiple applications. It can be used in a variety of automotive, military, and industrial applications for protection against transient voltage surges. It is the ideal choice for protecting technical equipment from damage due to over-voltage or over-current conditions.

In summary, the 1.5KE20A/54 TVS diode is a high-performance device that is designed for protection against transient voltage surges. It has a high clamping voltage of 180V, very low leakage current, and a fast response time. It operates on the principle of avalanche breakdown and is suitable for use in a variety of automotive, military, and industrial applications.

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