SMDA03C-7/TR7

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TVS diodes are a type of semiconductor component, often referred to as transient voltage suppressor, that is designed to protect electrical circuits against electrical transients and overvoltage surges. During normal operation, TVS diodes provide nonlinear conduction, looking outwardly like a diode that is conducting in both directions. When there is a surge in voltages, the diode operates in its breakdown voltage range, providing high current conduction that limits the amount of surge that would otherwise damage the circuitry. The SMDA03C-7/TR7 TVS is a double-directional diode primarily designed for inrush current protection.

The SMDA03C-7/TR7 is a low-capacitance and low-clamping voltage transient voltage suppressor for USB ports and other telecom ports. It has a breakdown voltage enable range of 7 to 24V, which is triggered once the voltage across the device exceeds the rated absolute maximum peak pulse current. The SMDA03C-7/TR7 is designed for ESD protection, telecom surge protection and for inrush current control in low- and high-power electronics.

The SMDA03C-7/TR7 is ideal for the protection of USB ports from voltage transients and overvoltage surges. It features fast response times, low dynamic impedance, and low clamping voltage at high current levels, making it an effective TVS for protecting against both ESD and surge-induced events. It has a low maximum peak pulse current limit, making it suitable for applications that require low power protection. The SMDA03C-7/TR7 has a low capacitance, making it ideal for high-speed data transfer applications, such as USB Type-C ports.

The working principle of the SMDA03C-7/TR7 is simple. When an overvoltage surge occurs, the capacitor is activated and the current passes through the zinc oxide element to limit the voltage across the device. The device then clamps the voltage to a safe level and the current is dissipated as heat. The SMDA03C-7/TR7 is fast enough to respond to overvoltage surges in microseconds and is designed to withstand transient surges of up to 400A. Additionally, the device is RoHS compliant and has a wide operating temperature range of - 40°C to + 125°C.

The SMDA03C-7/TR7 is suitable for a variety of applications, including telecom, industrial, communications, consumer electronic, and automotive. The device is also used in power supply inrush current limiting in higher power telecom and industrial applications. Additionally, the SMDA03C-7/TR7 provides ESD protection for devices such as USB ports, Ethernet ports, and Ethernet switches.

In summary, the SMDA03C-7/TR7 is an ideal transient voltage suppressor for USB ports and other telecom ports. Its low capacitance and low clamping voltage provide fast response times and excellent surge protection. Additionally, it is capable of withstanding transient surges of up to 400A and has a wide operating temperature range of - 40°C to + 125°C. As a result, it is an effective and reliable TVS for protecting against ESD and surge-induced events.

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