The IQXT-275 from IQD Frequency Products is a TCXO with Frequency 10 to 400 MHz, Supply Voltage 1.8 to 3 V, Current 2 mA, Frequency Stability 1 to 5 ppm, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for IQXT-275 can be seen below.