SA170AHE3/73

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TVS - Diodes (Transient Voltage Suppressors) are components that are used in electronic circuits to protect against overvoltage transients (commonly known as \'spikes\'). The SA170AHE3/73, developed by Sanken Electric Co., Ltd., is a special type of TVS diode that is designed to protect high-speed data lines from overvoltage transients. In this article, we\'ll take a look at the application field and working principle of the SA170AHE3/73.

The SA170AHE3/73 is primarily used to protect high-speed data lines from overvoltage transients, such as lightning, electromagnetic interference (EMI), or electrostatic discharge (ESD) events. It has a wide range of applications, including automotive electronics, industrial control systems, communication networks, and consumer electronics. The device also features a low working voltage (5.5V), low capacitance (5pF) , low leakage current (25μA) and high ESD protection (20kV).

The working principle behind the SA170AHE3/73 is rooted in its ability to rapidly clamp the voltage that passes through its anode lead. This is done by quickly responding to transients that exceed the device\'s rated working voltage. As soon as the voltage spike passes the anode pin, the device responds and redirects the current to the cathode pin, while at the same time suppressing the voltage to a safe level. Consequently, it helps to prevent the connected circuits from experiencing any damage due to high voltage transients.

In addition to its fast response time, the SA170AHE3/73 also has a number of other features that make it an attractive solution for protecting high-speed data lines. It has an extremely low capacitance of 5pF, which helps to ensure that the device does not sacrifice signal integrity by introducing excessive capacitance into the line. It also has a low working voltage of 5.5V, which helps to make sure that the device is not triggered prematurely by low voltage spikes. Finally, it has an impressive ESD protection of 20kV, which helps to make sure that the device is able to withstand even the most extreme ESD events.

In conclusion, the SA170AHE3/73 is a special type of TVS diode that is designed to protect high-speed data lines from overvoltage transients. It has a wide range of applications, and it can provide excellent protection against ESD, lightning, and EMI. Its low working voltage, low capacitance and high ESD protection make it an attractive solution for a variety of applications. Thus, it has become an essential part of many electronic circuits.

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