The MV180 from Morion, Inc. is a OCXO with Frequency 5 to 16 MHz, Supply Voltage 5 to 12 V, Phase Noise -155 to -150 dBc/Hz, Phase Noise 1 kHz -150 to -145 dBc/Hz, Phase Noise 10 kHz -155 to -150 dBc/Hz. Tags: DIP. More details for MV180 can be seen below.