Teccor® brand Thyristors Circuit Requirement Diagram BILATERAL VOLTAGE SWITCH RECTIFIER SIDAC * RECTIFIER * REVERSE BLOCKING THYRISTOR SCR (Sensitive) * BILATERAL VOLTAGE TRIGGER DIAC built-in Quadrac GATE CONTROL GATE CURRENT 5-500 µA BIDIRECTIONAL THYRISTOR 10-50 mA SCR * DIAC TRIGGER OPTIONS INTERNAL QUADRAC * ALTERNISTOR TRIAC * DIRECT QUADRANT OPERATION (See Quadrant Chart on Data Sheet) I II III GATE CURRENT 5-100 mA STANDARD TRIAC * I II III IV GATE CURRENT 3-20 mA SENSITIVE TRIAC * * For detailed information, see specific data sheet in product catalog.