LM431ACMX/NOPBIC VREF SHUNT PREC ADJ 8-SOIC|TEXAS INSTRUMENTS|Lead All|RoHS Mixed LM431ACMX/NOPB LM431ACMXIC VREF SHUNT ADJ 8-SOP|FAIRCHILD SEMICONDUCTOR|Lead free|RoHS Compliant TL431IYDT TL431IDT