It's a LM35 Temperature sensor. This is available in TO-92 package and it's operating voltage rating and current drain is respectively 4 to 30 volt and less than 60mA.
- Analog Output calibrated directly in ° Celsius.
- Linear a 10.0 mV/°C scale factor
- 0.5°C accuracy (at a25°C)
- Rated for full b55° to a150°C range.
- Operates from 4 to 30 volts
- Less than 60 mA current drain
- Available in TO-92 Package.