TL431ACCTIC VREF SHUNT PREC ADJ SOT-323-6|STMICROELECTRONICS|Lead free|RoHS Compliant TL431ACDCKR TL431AIDCKR TL431AQDCKR TL431ACCTIC VREF SHUNT PREC ADJ SOT-323-6|STMICROELECTRONICS (VA)|Lead free|RoHS Compliant TL431ACDCKR TL431AIDCKR TL431AQDCKR