ITEM NAME:5pcs MJ15003G TO-3 NPN Power Transistors - 20A 140V 250W BJT Single Transistor.Model: MJ15003G. 5 MJ15003G TO-3 NPN Power Transistors. VCBO: 140V; VCEO: 140V; IC: 20A; Pc: 250W. High power NPN transistor. High power audio and linear applications. Mount Hole Center Distance: 30mm/1.18".