BT258X-800R. Assembly/installation: PCB through-hole mounting. Function: Logic level controlled thyristor. Housing (according to data sheet): TO-220F ( SOT186A ). Housing: TO-220FP. IT(AV): 5A. IT(RSM) (TC=85°C): 8A. Igt (Type): 50uA. Igt (max): 100uA. Ih (Type): 0.3mA. Ih (max): 6mA. It's M: 75A. Number of terminals: 3. RoHS: yes. Spec info: ITSM--82A, t=8.3ms. Temperature: +125°C. Tgt: 2us. Tq: 100us. VDRM: 800V. Original product from manufacturer: Philips Semiconductors. Quantity in stock updated on 10/31/2025, 07:56