The OX-170 from Vectron International is a OCXO with Frequency 5 to 40 MHz, Supply Voltage 3.3, 5 or 12 V, Phase Noise 125 dBc/Hz@10 Hz, Frequency Stability ±200 ppb, Temperature Stability 2 to 6 ppb. Tags: Surface Mount. More details for OX-170 can be seen below.