The MCOCXOS from Golledge is a OCXO with Frequency 10 to 20 MHz, Supply Voltage 12 V, Frequency Stability ±0.01 to ±3 ppm, Temperature Stability 50 to 200 ppb, Stability 10 to 3000 ppb. Tags: PCB Mount, Surface Mount. More details for MCOCXOS can be seen below.