TMP100NA/3K, distributed by Utmel Electronics. It's category belong to Board Mount Temperature Sensors. It is applied to many fields, like Automotive Body electronics & lighting Communications equipment Wireless infrastructure Personal electronics Connected peripherals & printers . And the main parameters of this part is: 2C digital temperature sensor, I2C/SMBus interface in SOT-23 package 6-SOT-23 -55 to 125. Additionally, it is green and compliant to RoHS (Lead free / RoHS Compliant).