The COB20AK from KYUSHU DENTSU is a General Crystal Oscillator with Frequency 1.25 to 100 MHz, Supply Voltage 1.8 V, Tuning Voltage 0.9±0.85 V, Output_Voltage 0.18 to 1.62 V, Load Capacitance 15 pF. Tags: Surface Mount. More details for COB20AK can be seen below.