The PF25 OCXO Series from Connor-Winfield is a OCXO with Frequency 6.4 to 40 MHz, Supply Voltage 3.3 to 5 V, Frequency Stability ±0.05 to 0.25 ppm, Stability 50 to 250 ppb, Operating Temperature 0 to 70 °C. Tags: Surface Mount. More details for PF25 OCXO Series can be seen below.