SLD51U-017

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SPHINX’s SLD51U-017 is a transient voltage suppression (TVS) diode, a type of semiconductor device which can protect connected equipment from high and short transient voltages. It is designed for harsh and extreme environments, and is particularly suited for protection against high-energy spikes due to its low clamping voltage. This diode is particularly suited for application fields where protection against high-energy and short-duration transient voltage spikes is critical.

Application Fields

This diode is ideal for use in fields such as automotive, consumer, communications, and industrial applications. In automotive applications, it enables protection against transients caused by ignitions, load dumping, and electric motors. It is also useful for radio frequency interference (RFI) protection in consumer electronics, high-speed communication, and twisted pair applications. In industrial applications, the diode provides protection against power surges due to lightning, as well as other transient voltage sources.

Working Principle

The working principle of the SLD51U-017 is based on the PN junction. When a transient voltage is applied to the diode, it causes the minority current carriers to inject into the P-type material, forming a depletion region. This depletion region sets up an avalanche effect on the anode and the cathode, causing the voltage across them to drop until it reaches a certain equilibrium value. This voltage is known as the breakdown voltage.

Once the breakdown voltage is reached, the energy stored in the depletion region is released, and the circuit continues to conduct current at this voltage until the transient voltage is dissipated. The diode works by limiting the current that can flow between the anode and the cathode, thus protecting the connected devices from the harmful effects of transient voltages.

The SLD51U-017 is designed to provide protection against transient voltages up to 18V, and can dissipate up to 800A of energy. It is able to do this because of its low clamping voltage, which enables it to withstand high-energy spikes with minimal energy loss. In addition, the diode is designed for harsh and extreme environments, and is reliable even in temperatures up to 125°C.

In addition to protecting against transient voltages, this diode can also be used as a shield to protect against other types of interference, such as electromagnetic interference (EMI) and radio frequency interference (RFI). The diode is designed to provide an extra layer of protection in applications where sensitive circuit components are present.

In summary, SPHINX’s SLD51U-017 is a transient voltage suppression (TVS) diode that is designed for harsh and extreme environments. It provides protection against transient voltages up to 18V and can dissipate up to 800A of energy. Its low clamping voltage enables it to withstand high-energy spikes with minimal energy loss. This diode is ideal for automotive, consumer, communications, and industrial applications, as well as providing protection against other types of interference, such as electromagnetic interference (EMI) and radio frequency interference (RFI).

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