4 pieces Settriac 600 V 8 A 5mA TO220 3 Package tube Manufacturer Ween electronics Ductors Type of semiconductor component Triac off state voltage max. 600 V load current Max. 8 A Gate current 5mA case TO220/3 mounting THT Package Type Tube Additional information Weight 3 large Gmpn BT137 – 600d.127