The XTC-G-SERIES-2520 from RFM Integrated Device is a TCXO with Frequency 10 to 60 MHz, Supply Voltage 1.68 to 3.63 V, Operating Temperature -40 to 125 Degree C, Storage Temperature -40 to 125 Degree C. Tags: Surface Mount. More details for XTC-G-SERIES-2520 can be seen below.