SA43CAHE3/54 Circuit Protection

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TVS diodes, or transient voltage suppressors, are designed to protect electronic circuits from damage due to overvoltage transients. The SA43CAHE3/54 is a transient voltage suppressor diode that is designed to provide a wide protection range for power supplies, decoupling applications, and other voltage-sensitive applications. It is designed to block any transient voltage up to 15,000 volts and can handle up to 2.8 amperes of current.

The operation of the SA43CAHE3/54 is based on the well-known avalanche effect. This phenomenon occurs when a reverse-biased diode is subjected to a rising voltage, which causes current to flow through the diode as it breaks down. This current flow causes a cascading breakdown of the voltage across the diode, which is then clamped at a specified level. The SA43CAHE3/54 is designed to provide this clamping action in order to protect connected components from damage due to transient overvoltage.

The SA43CAHE3/54 has a wide range of application fields. It is ideal for use in power supplies, for protecting electronic equipment from voltage spikes, for computer and networking equipment, including LAN and WAN systems, and for interfacing with unprotected AC. It can also be used in automotive and industrial environments, such as in environmental control and temperature regulation systems. Furthermore, it is suitable for telecommunications applications, including digital signaling, cellular and wireless networks, and VoIP.

The SA43CAHE3/54 is designed to ensure fast response times in the order of nano- and picoseconds, which helps to minimize the risk of equipment damage. It also has fast retriggering and low capacitance, offering a wide range of protection levels, depending on the application. Furthermore, the diode is designed around a built-in protection circuit that ensures reliable operation and added protection against overvoltage transients.

In order to ensure high levels of reliability and performance, the SA43CAHE3/54 is manufactured using a process of rigorous testing and quality control. It is designed for a wide range of operating temperatures, from -55°C to 125°C, and is available in 2.8-ampere and 5.6-ampere versions. The diode also meets all necessary safety requirements, including in compliance with UL 60950 and meets RoHS standards.

Overall, the SA43CAHE3/54 is a highly reliable transient voltage suppressor diode that is designed to provide a wide protection range and fast response times for a range of applications. It is designed for extreme temperatures and is manufactured using a rigorous process of testing and quality control. The diode meets all necessary safety requirements, making it an ideal choice for protecting electronic equipment against overvoltage transients.

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