The COB20AK from KYUSHU DENTSU is a VCXO with Frequency 1.25 to 100 MHz, Frequency Stability ±20 to ±100 ppm, Supply Voltage 1.8 V, Tuning Voltage 0.9±0.85 V, Output_Voltage 0.18 to 1.62 V. Tags: Surface Mount. More details for COB20AK can be seen below.