This part is a kind of semiconductor called SMT160-30.

Function of this product has Temperature sensor.

Manufacturers : ETC

Image and pinout :

Some of the text within the PDF file :

Temperature sensor Specification sheet SMT 160-30 Contents 1.Introduction page 3 2. Smart temperature sensor page 4 3. Pin-out and housing page 6 4. Product discription page 7 5. Specifications page 8 6. Understanding the specifications page 9 7. General operation page 11 1. Introduction The Smartec temperature sensor is a sophisticated full silicon temperature sensor with a digital output. The one wire (duty cycle) output can be connected to all kind of microcontrollers directly without the need of A/D conversion. The temperature range is –45 °C to 150 °C. The sensor is available in various housing like T018, T092, T0220 and for high volume production in SOIC. 2. Smart temperature sensor Most important features * No A-D converter necessary * Absolute accuracy ± .7 ° [ ... ]

SMT160-30 PDF Datasheet Download