The TCXO5300AT from Dynamic Engineers is a TCXO with Frequency 6 to 45 MHz, Supply Voltage 1.8 V / 2.5 V / 3.3 V, Tuning Voltage 0.5 to 2.5 V, Current 1.5 to 2.5 mA, Output Load 10 pF. Tags: Surface Mount. More details for TCXO5300AT can be seen below.