The RCLAMP3654PA.TCT is a 36V bidirectional transient voltage surge suppressor made by Semtech. It is designed to protect up to 7 different I/O channels against transient over-voltage events. It features a tight coupling between the ports, low capacitance, and low power consumption, making the part suitable for many high speed applications. The part comes in an SMD package, with an operating temperature range of -55°C to 125°C.