SMCJ7.5A-M3/9AT

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TVS - Diodes are an important component of modern electronics, providing an important measure of protection against short circuits and surges. The SMCJ7.5A-M3/9AT is an example of this type of component, and it provides effective protection from high voltage pulses and high current transients. In this article, we will discuss the application field of the SMCJ7.5A-M3/9AT and its working principle.

Application field

The SMCJ7.5A-M3/9AT is a bi-directional TVS diode designed to provide protection for sensitive electronic components against high voltage pulses and high-current transients. It is widely used in the automotive, industrial, telecommunications and medical electronics industries.In automotive electronics, the SMCJ7.5A-M3/9AT is used to protect sensitive electronic components from surges caused by load dump, ESD, and other transient voltages. In industrial applications it can be used to protect electronic components from power supply disturbances, environment transients, or accidental voltage applications. In telecommunication it is used to protect against over-voltage transients, while in medical electronics it can be used to protect delicate electronic components from accidental high voltage transients or ESD events.

Working Principle

The SMCJ7.5A-M3/9AT consists of two silicon diodes in an axial-leaded package configuration. These two diodes are connected in series and are arranged in a back-to-back configuration. When the voltage across the diodes exceeds the breakdown voltage of either diode, the diode will begin to conduct. This will cause current to flow through the diodes, reducing the voltage and limiting the current. The breakdown voltage of the diodes can be adjusted by adjusting the brake-down voltage of the reverse biased diodes.The SMCJ7.5A-M3/9AT is designed to protect sensitive electronic components from high-energy transient voltage events such as lightning, load dump, ESD, and other transient voltage events. It is capable of absorbing up to a 7.5A surge current, and has a clamping voltage of around 46V. The device also has an excellent pulse-handling capability, and can suppress transients up to 10kV/ohm. The SMCJ7.5A-M3/9AT is a powerful and reliable transient voltage suppressor that can effectively protect electronic components from high voltage pulses and high current transients.

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