SA7.5A-E3/54

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TVS (transient voltage suppression) diodes are used to protect electrical and electronic circuits from hazardous transient voltages caused by lightning or electrostatic discharges (ESD). The SA7.5A-E3/54 is one such TVS diode specifically designed to protect extremely sensitive electronic circuits. In this article, we’ll look at the SA7.5A-E3/54 application field and working principle.

About SA7.5A

The SA7.5A is a unidirectional, bidirectional, and bi-polar TVS diode, with a peak power rating of 7.5 watts. It is one of the most popular TVS diodes due to its low price and high power dissipation. It is designed to protect against instantaneous overvoltages in power and signal lines in electrical appliances such as TVs, refrigerators, washing machines, air conditioners, and other consumer electronic devices.

Working Principle

When the SA7.5A-E3/54 is connected to the input of the electronic circuit, the diode acts like an air gap and forms a low resistance path to ground. When the voltage reaches its clamping voltage, the diode turns on and the current flows from the input to ground. This limits the energy that can be transferred from the higher voltage to the input of the circuit, thus protecting from damage due to the surge. The diode’s fast response time ensures that it turns on quickly and the excessive energy is discharged to the ground rather than damaging the circuit.

Application Field

The SA7.5A-E3/54 can be used in a variety of electronic circuits, such as automotive power, telecommunications, internet of things (IoT), audio, digital, and analog circuits. For example, it can be used in circuit boards to protect against voltage spikes in car audio systems, consumer electronics, solar power inverters, and many other applications. It also helps to prevent voltage overshoot in power supply circuits, and minimizes the risk of over-current damage. Moreover, it is an ideal solution for increased surge protection in low-voltage, high-current circuits.

Conclusion

The SA7.5A-E3/54 is a robust and reliable TVS diode specifically designed to meet the needs of modern electronic circuits. It provides superior surge protection and has a fast response time that helps to prevent damage to your circuits. Its application field ranges from automotive and telecommunications to digital and analog circuits. Moreover, its low price and energy rating make it an excellent choice for a variety of applications.

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