The QT2020 from Q-Tech Corporation is a MCXO with Frequency 5 to 80 MHz, Load Capacitance 15 pF, Phase Noise -168 to -110 dBc/Hz, Stability ±5 ppb, ±10 ppb, ±20 ppb, ±30 ppb, Supply Voltage 3.3 V. Tags: Through Hole. More details for QT2020 can be seen below.