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These Built-In Rectifier devices detect hazardous current paths to ground and ground to neutral faults. The circuit interrupter then Direct Interface to SCR disconnects the load from the line before a harmful or 500A Quiescent Current lethal shock occurs. Precision Sense Amplifier Internally, the RV4141A contains a diode rectifier, shunt regulator, precision sense amplifier, current reference, Adjustable Time Delay time-delay circuit, and SCR driver. Minimum External Components Two sense transformers, SCR, solenoid, three resistors, Meets UL 943 Requirements and four capacitors complete the design of the basic circuit interrupter. The simple layout and minimum Compatible with 110V or 220V Systems component count ensure ease of application and long- Available in an 8-Pin SOIC Package term reliability. Features not found in other GFCI controllers include a low offset voltage sense amplifier, eliminating the need for a coupling capacitor between the sense transformer and sense amplifier, and an internal rectifier to eliminate high-voltage rectifying diodes. The RV4141A is powered only during the positive half period of the line voltage, but can sense current faults independent of its phase relative to the line voltage. The gate of the SCR is driven only during the positive half cycle of the line voltage. Ordering Information Operating Packing Part Number Temperature Package Method Range RV4141AN -35 to +80C 8-Lead, Plastic Dual-Inline Package (DIP) Rails RV4141AMT -35 to +80C 8-Lead, Plastic Small-Outline Integrated Circuit (SOIC) Tape and Reel 2003 Fairchild Semiconductor Corporation www.fairchildsemi.com RV4141A Rev. 1.0.8