The ASTEC AS431 is a low-cost Precision Temperature Compensated Reference IC that is wellsuited for many applications in linear and power electronics. A direct replacement for the industry standard TL431, this IC offers improved AC performance, near zero Temperature Coeficient (TC), trimmed 0.5% tolerance and is available in standard grades from 0 to 105 C and an extended temperature version, the AS1431, from 55 to 125 C.