TL431BCDG4IC VREF SHUNT PREC ADJ 8-SOIC|TEXAS INSTRUMENTS|Lead free|RoHS Compliant LM431CCM/NOPB TL431BCDGIC VREF SHUNT PREC ADJ 8-SOIC|ON SEMICONDUCTOR|Lead free|RoHS Compliant TL1431QD TL1431CDE4 TL431BCDR TL431BCD