TL431AICTIC VREF SHUNT PREC ADJ SOT-323-6|STMICROELECTRONICS|Lead free|RoHS Compliant TL431AQDCKR TL431AICTIC VREF SHUNT PREC ADJ SOT-323-6|STMICROELECTRONICS (VA)|Lead free|RoHS Compliant TL431AQDCKR