This part is a kind of semiconductor called MAC224A10.

Function of this product has Silicon Bidirectional Thyristors.

Manufacturers : ON Semiconductor

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MAC224A Series Preferred Device Triacs Silicon Bidirectional Thyristors Designed primarily for full-wave ac control applications such as lighting systems, heater controls, motor controls and power supplies. • Blocking Voltage to 800 Volts • All Diffused and Glass-Passivated Junctions for Parameter Uniformity and Stability • Gate Triggering Guaranteed in Four Modes • High Current and Surge Ratings • Device Marking: Logo, Device Type, e.g., MAC224A4, Date Code MAXIMUM RATINGS (TJ = 25°C unless otherwise noted) Rating Peak Repetitive Off−State Voltage(1) (TJ = −40 to 125°C, Sine Wave 50 to 60 Hz, Gate Open) MAC224A4 MAC224A6 MAC224A8 MAC224A10 On−State RMS Current (TC = 75°C)(2) (Full Cycle Sine Wave 50 to 60 Hz) Peak Non−repetitive Surge Current (One Full Cycle, 60 Hz, [ ... ]

MAC224A10 PDF Datasheet Download