1.5KE6.8-E3/73

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Transient Voltage Suppression (TVS) diodes are specialized solid-state devices that act to protect low-voltage circuits from transients caused by electrostatic discharge (ESD), electrical fast transients (EFT), lightning, and other electrical disturbances. The 1.5KE6.8-E3/73 is a TVS diode that is designed as an ultra-low capacitance ESD and EFT protection solution for data and high speed signal lines. This diode has a low capacitance value of 5.8 pF and a distinct clamping voltage rating of 15.5 V that makes it suitable for a variety of electronic applications, such as networking equipment, instrumentation, consumer electronics, and industrial applications.

The 1.5KE6.8-E3/73\'s operating principle is based on avalanche breakdown, a phenomenon where the voltage across a reverse-biased semiconductor junction increases drastically due to a combination of increased current and temperature. When the diode undergoes avalanche breakdown, it becomes a low resistance element that effectively diverts current away from the protected circuitry, thereby providing over-voltage protection. In order for this to occur, a minimum breakdown voltage must be present, known as the clamping voltage, which is equal to the peak value of the avalanche breakdown voltage in this diode.

This diode is commonly used in a variety of electronic applications in order to protect circuits from electrical transients caused by lightning, ESD, and EFT. It can also be used in circuits where very low capacitance values are required in order to avoid signal degradation, such as in line transceivers. In these applications, the 1.5KE6.8-E3/73 can provide up to 5 kV of surge protection (at 20A, 8/20 μs waveform), as well as very low capacitance values of only 5.8 pF. Additionally, this TVS diode has a low leakage current of only 0.2μA.

The 1.5KE6.8-E3/73 is designed with a bi-directional current-handling ability, meaning it can handle transients from both positive and negative directions. It has an operating temperature range of -65°C to 125°C, making it suitable for a wide range of applications. It is also compliant with IEC 61000-4-2 ESD and IEC 61000-4-4 EFT standards, and is rated to handle both commonly used transients as well as higher-level current spikes.

Overall, the 1.5KE6.8-E3/73 is an efficient ultra-low capacitance TVS diode that provides excellent ESD, EFT, and other transient protection for a variety of applications. Its low capacitance values, high surge rating, and low leakage current make it an ideal solution for line transceivers, networking equipment, and other high-speed data transmission lines that are vulnerable to voltage transients.

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