The MT100DT12L1-A1-0000 is a type of TRIACs ROHS (Rohs a Republic of China environmental regulation) manufactured by Yangjie. This electronic part is a low-power and reliable bidirectional semiconductor switch for AC loads. It has a maximum blocking voltage of 800 Volts and a maximum current rating of 100 Amps. The part is RoHS compliant and has an integrated heat sink that helps to dissipate heat. It is designed for use in a wide range of applications including industrial control, lighting, motors, solenoids, relays, AC variable speed drives, and many more. The part is UL certified and comes with a one-year manufacturer's warranty.