MCP9803T-M/SN datasheet pdf and Temperature Sensors - Analog and Digital Output product details from Microchip Technology stock available on our website
The Tape & Reel (TR) package protects these analog sensors. Analog sensors are isolated in 8-SOIC (0.154, 3.90mm Width) packages to protect them from damage. It is necessary for proper operation of this sensor to have 8 pins. This electronic part contains 8 terminations.