The ECOC-2522-20.000-3FC from ECS Inc. International is a OCXO with Frequency 20 MHz, Supply Voltage 3.135 to 3.465 V, Output_Voltage 0.3465 to 2.8215 V, Load Capacitance 15 pF, Output Load 15 pF. Tags: Surface Mount. More details for ECOC-2522-20.000-3FC can be seen below.