The OX-200 from Vectron International is a OCXO with Frequency 10 to 100 MHz, Supply Voltage 3.3 to 12 V, Phase Noise -120 dBc/Hz, Phase Noise 10 kHz -150 dBc/Hz, Frequency Stability ±200 ppb. Tags: Surface Mount. More details for OX-200 can be seen below.