2N6505

2N6504 Series Preferred Device Silicon Controlled Rectifiers Reverse Blocking Thyristors Designed primarily for half‐wave ac control applications, such as motor controls, heating controls and power supply crowbar circuits. Features ăGlass Passivated Junctions with Center Gate Fire for Greater Parameter Uniformity and Stability ăSmall, Rugged, Thermowatt Constructed for Low Thermal Resistance, High Heat Dissipation and Durability ăBlocking Voltage to 800 Volts ă300 A Surge Current Capability ăPb-Free Packages are Available Littelfuse.com SCRs 25 AMPERES RMS 50 thru 800 VOLTS G AK MARKING DIAGRAM 4 TO-220AB CASE 221A STYLE 3 2N650xG AYWW 1 2 3 x = 4, 5, 7, 8 or 9 A = Assembly Location Y = Year WW = Work Week G = Pb-Free Device PIN ASSIGNMENT 1 Cathode 2 Anode 3 Gate 4 Anode ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 6 of this data sheet. Preferred devices are recommended choices for future use ...