The 196 from CTS Electronic Components is a OCXO with Frequency 10, 12, 12.8, 13 MHz, Supply Voltage 3.3, 5.0, 12.0V, Frequency Stability ±5 to ±20 ppb, Temperature Stability ±5 ppb, Stability ±5 to ±20 ppb. Tags: Surface Mount. More details for 196 can be seen below.