MCR69-3

MCR69-2, MCR69-3 Silicon Controlled Rectifiers Reverse Blocking Thyristors Glass-Passivated Junctions for Greater Parameter Stability and Center-Gate Geometry for Uniform Current Spreading Enabling Small Rugged, Thermowatt Package Constructed for Low Thermal Resistance and Maximum Power Dissipation and Durability High Capacitor Discharge Current, 750 Amps Device Marking: Logo, Device Type, e.g., MCR69–2, Date Code High Discharge Current Reliability http://onsemi.com Designed for overvoltage protection in crowbar circuits. SCRs 25 AMPERES RMS 50 thru 100 VOLTS G A K MAXIMUM RATINGS (TJ = 25°C unless otherwise noted) Rating Peak Repetitive Off–State Voltage(1) (TJ = 40 to +125°C, Gate Open) MCR69–2 MCR69–3 Symbol VDRM, VRRM 50 100 ITM IT(RMS) IT(AV) ITSM 750 25 16 300 Amps Amps Amps Value Unit Volts * 4 Peak Discharge Current(2) On-State RMS Current (180° Conduction Angles; TC = 85°C) Average On-State Current (180° Conduction Angles; TC = 85°C) Peak Non-Repetitive Surge Current (1/2 Cycle, Sine Wave, 60 Hz, TJ = 125°C) Circuit Fusing Considerations (t = 8.3 ms) Forward Peak Gate Current (t ≤ 1.0 µs, TC = 85°C) Forward Peak Gate Power (t ≤ 1.0 µs, TC = 85°C) Forward Average Gate Power (t = 8.3 ms, TC = 85°C) Operating Junction Temperature Range Storage Temperature Range Mounting Torque 1 Amps 2 3 I2t IGM PGM PG(AV) TJ Tstg — 375 2.0 20 0.5 – 40 to +125 – 40 to +150 8.0 A2s Amps 1 Watts Watt °C 2 3 4 TO–220AB CASE 221A STYLE 3 PIN ASSIGNMENT Cathode Anode...