The OX565 Series from Advanced Crystal Technology is a OCXO with Frequency 5 to 100 MHz, Supply Voltage 3.3 to 12 V, Tuning Voltage 1.65 to 2.5 V, Load Capacitance 15 pf, Output Load 50.0?, 15pF. Tags: DIP. More details for OX565 Series can be seen below.