SMA6J6.5A-Q is a Transient Voltage Suppressor Diode designed for overvoltage transient protection in compact surface mount applications. This bidirectional device features a working voltage of 6.5V and is housed in the DO-214AC (SMA) package format, offering fast response times of less than 1.0 picosecond from 0V to breakdown voltage. The device is RoHS compliant and AEC-Q101 automotive grade certified, making it suitable for demanding applications. It is commonly used for protection of power buses, I/O interfaces, and in telecom, computer, industrial, and consumer electronics applications where reliable surge and ESD protection is critical.