The ASTX-01H from Abracon LLC is a TCXO with Frequency 2 to 30 MHz, Supply Voltage 5 V, Current 20 mA, Phase Noise -150 dBc/Hz @ 100 KHz, -140 dBc/Hz @ 1 KHz, -145 dBc/Hz @ 10 KHz, Phase Noise 1 kHz -140 dBc/Hz @ 1 KHz. Tags: Surface Mount. More details for ASTX-01H can be seen below.