The QTCT350 from Q-Tech Corporation is a TCXO with Frequency 10 to 52 MHz, Supply Voltage 3.3 to 5 V, Output_Voltage 0.1 to 0.9 V, Current 2 to 8 mA, Load Capacitance 10 to 15 pF. Tags: Surface Mount, Low Phase Noise. More details for QTCT350 can be seen below.