SA48AHE3/54 Circuit Protection

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TVS - Diodes

TVS - Diodes are a type of semiconductor device used for protecting electronics from damage due to transients, such as those caused by lightning strikes or electrical short circuits. This protection is provided by a high-voltage circuit breaker, which shorts the source of transient voltage, and a low-voltage protective circuit, which limits the voltage and current that may pass through. TVS-diodes are designed to handle high-voltage and high-current surges up to several kilovolts, and to provide a more durable solution than the use of single-point protectors.

The SA48AHE3/54 is a common TVS-diode. It is a three-terminal, unidirectional, two-stage transient voltage suppressor diode designed to protect sensitive electronics from fast rising high-energy transients. It has an operating voltage range of 3 kV to 54 kV, making it suitable for use in a variety of applications. The working principle of the SA48AHE3/54 is to clamp the voltage of a surge to a low-level, safe voltage. This ensures that the sensitive equipment connected to the diode is protected from high-voltage surges. During normal operation, the diode is reversed biased and there is no voltage across it.

The SA48AHE3/54 is typically used in industrial, automotive, telecommunications, medical, consumer, and computer applications that require reliable surge protection from high-energy transients. It is suitable for use in DC-DC converter lines, automotive power systems, critical power supply lines, and power management systems. It can also be used in portable and battery-powered devices, as it has a low stand-by current.

The SA48AHE3/54 prevents inrush current, overvoltage, and short-circuit damage to sensitive electronic components. It is capable of suppressing high transients up to 54 kV, which is one of the highest levels available in an IC package. It also has low leakage current, low capacitance, and low excess capacitance. This makes it an ideal solution for protecting sensitive electronics from high energy surges.

In conclusion, the SA48AHE3/54 is a reliable solution for providing surge protection to sensitive electronics. It is suitable for a variety of applications and can suppress high-energy transients up to 54 kV. It can also provide reliable protection from inrush current, overvoltages, and short circuits. It is an ideal solution for applications where high surge protection is needed.

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