The OCXO3311C from Dynamic Engineers is a OCXO with Frequency 8 to 100 MHz, Supply Voltage 4.75 to 5.25 V, Frequency Stability 0.05 ppm, Stability 50 ppb, Operating Temperature -30 to 70 Degree C. Tags: DIP, Low G-Sensitivity. More details for OCXO3311C can be seen below.