The MV333 from Morion, Inc. is a OCXO with Frequency 10 to 10 MHz, Supply Voltage 12 V, Phase Noise -174 to -168 dBc/Hz, Phase Noise 1 kHz -168 to -165 dBc/Hz, Phase Noise 10 kHz -174 to -170 dBc/Hz. Tags: DIP. More details for MV333 can be seen below.