RCLAMP7535M.TLT

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Transient Voltage Suppressors (TVS) are a type of protection diode used in electrical systems that can help protect circuits by supporting overvoltage conditions. The RCLAMP7535M.TLT is a Thyristor-based TVS providing unidirectional ESD protection in systems such as USB 2.0 and OVPD line protection, high speed telephony, automotive telematic, and other high voltage applications with a wide operating temperature range of -50°C to 175°C.

The RCLAMP7535M.TLT is made from silicon dioxide-filled silicon nitride insulating layers that provide an integrated solution for voltage clamping and high current surge handling, ranging from 4.7V up to a peak of 8.4V, and it can handle an ESD burst up to 25A (IEC61000-4-2 8kV). The RCLAMP7535M.TLT provides low capacitance of 50pF (typical) and low leakage current of 0.5μA (maximum) and is designed for a mounting temperature of 150°C.

The working principle of the RCLAMP7535M.TLT starts by first deploying the triggering structure through the triggering diode. When a voltage surge above the breakdown voltage passes through the diode, it triggers an avalanche that activates the thyristor, which is basically an SCR (Silicon Controlled Rectifier). This creates an internal avalanche arc which is then used to break down voltages higher than the diode breakdown voltage and limit them under the rated maximum clamping voltage. The clamping action of the internal avalanche thyristor becomes highly effective at higher current and voltage levels, making the RCLAMP7535M.TLT an ideal choice for high voltage systems.

The RCLAMP7535M.TLT is well suited for automotive and consumer electronics applications, such as USB 2.0, OVPD line protection, and high speed telephony. It’s also widely used in automotive telematics, USB power adapters, line cards, and other electronic power supplies. The device is designed to provide unidirectional ESD protection for up to 25A and can be used in applications with operating temperatures ranging from -50°C to 175°C.

In conclusion, the RCLAMP7535M.TLT is an effective TVS diode designed to protect systems from overvoltage conditions. With its low capacitance of 50pF (typical) and low leakage current of 0.5μA (maximum), it can handle an ESD burst up to 25A and is well suited for automotive and consumer electronics applications. It also provides an integrated solution for voltage clamping and high current surge handling, making it an ideal choice for high voltage systems.

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