They can be used as an ON/OFF function in applications such as static relays, heating regulation, induction motor starting circuits... or for phase control operation in light dimmers, motor speed controllers.Thanks to their clip assembly technique, they provide a superior performance in surge current handling capabilities.By using an internal ceramic pad, the BTA series provides voltage insulated tab (rated at 2500VRMS).Product Name : TriacsModel : BTA41-600BVoltage : 600VRMS on-state Current : 40AMounting Hole Diameter : 4mm/ 0.16 inch Pin Size : 16 x 5.04mm/ 0.63 inch x 0.2 inch ( L* Pitch)Body Dimension : 36 x 15 x 4mm/ 1.4 inch x 0.6 inch x 0.16 inch (L*W*T)Material: plastic, metalPackage Content : 10 x TriacsOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.