The ASTX-H11 from Abracon LLC is a TCVCXO with Frequency 0.675 to 55 MHz, Supply Voltage 2.97 to 3.63 V, Current 4 to 7 mA, Phase Noise -158 to -130 dBc/Hz, Phase Noise 1 kHz -130 dBc/Hz @ 1 KHz. Tags: Surface Mount. More details for ASTX-H11 can be seen below.