The MV341 from Morion, Inc. is a OCXO with Frequency 5 to 10 MHz, Supply Voltage 12 V, Phase Noise -160 to -160 dBc/Hz, Phase Noise 1 kHz -160 to -160 dBc/Hz, Phase Noise 10 kHz -160 to -160 dBc/Hz. Tags: DIP. More details for MV341 can be seen below.