The Samsung DE47-20037A is a critical safety component for Samsung ranges, but not microwave ovens. It's a thermal fuse, sometimes referred to as a high-limit thermostat. This little gadget is essential in keeping your range from overheating. This guards against fire threats and avoids possible damage to the appliance. Your range's safe and appropriate operation can be restored by rep... https://www.hnkparts.com/de47-20037a-smg-range-hi-limit-thermostat