This circuit triggers a relay when the set temperature is reached. The circuit is from an old documentation. The relay may be equivalent according to the transformer secondary voltage.
May 6, 2015 - Mouser Electronics, Inc., the global authorized distributor with the newest...
This circuit is from a National Semiconductor manual, appearing elsewhere on this site. The...
August 2016 - It can be obtained from Mouser Electronics the new operational amplifiers series...