TL431CDG4IC VREF SHUNT PREC ADJ 8-SOIC|TEXAS INSTRUMENTS|Lead free|RoHS Compliant TL431IYDT KA431D KA431DTF TL431ID TL431CDGIC VREF SHUNT PREC ADJ 8-SOICN|ON SEMICONDUCTOR|Lead free|RoHS Compliant TL431CD