The document is a technical datasheet for the 1.5SMC6.8AT3/D1.5SMC6.8AT3G Series and SZ1.5SMC6.8AT3G Series of Zener Transient Voltage Suppressors, with a peak power of 1500 watts.
The series is designed to protect voltage sensitive components from high voltage, high energy transients and is suitable for use in communication systems, automotive, numerical controls, medical equipment, business machines, power supplies, and other industrial/consumer applications.
The datasheet includes information on specification features, mechanical characteristics, maximum ratings, electrical characteristics, pulse rating curve, pulse waveform, pulse derating curve, UL recognition, and application notes.
It also provides ordering information and marking diagrams for the devices.