The OXL60 from Raltron is a OCXO with Frequency 10 MHz, Supply Voltage 0 to 4.2 V, Load Capacitance 15 pF, Phase Noise -165 to -90 dBc/Hz, Phase Noise 1 kHz -158 to -155 dBc/Hz. Tags: Surface Mount, Low Power. More details for OXL60 can be seen below.