BUY BT139 BT139-600E CHINA ORIGINAL https://www.utsource.net/itm/p/11553998.html

Description: The BT139-600E is a 600V, 4A, sensitive gate thyristor (SCR) manufactured by STMicroelectronics. It is a three-terminal semiconductor device with gate control and is used in applications such as motor control, lighting control, heating control, and power switching. Features: 600V blocking voltage 4A on-state current Sensitive gate control Low on-state voltage Low gate trigger current Low thermal resistance High surge current capability High commutation performance Applications: Motor control Lighting control Heating control Power switching (For reference only)