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MOTOROLA Order this document SEMICONDUCTOR TECHNICAL DATA by MCR218FP/D MCR218FP Series 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. ISOLATED SCRs 8 AMPERES RMS • Glass Passivated Junctions with Center Gate Fire for Greater Parameter Uniformity 50 thru 800 VOLTS and Stability • Small, Rugged, Thermowatt Constructed for Low Thermal Resistance, High Heat Dissipation and Durability • Blocking Voltage to 800 Volts • 80 A Surge Current Capability • Insulated Package Simplifies Mounting G CASE 221C-02 A K STYLE 2 MAXIMUM RATINGS (TJ = 25°C unless otherwise noted.) Rating Symbol Value Unit Peak Repetitive Forward and Rev