The QT723N from Q-Tech Corporation is a Space Qualified Oscillator with Frequency 1.5 to 125 MHz, Temperature Stability ±50 ppm, ±100 ppm, Supply Voltage 2.5 V, Output Current 4.5 to 30 mA, Rise/Fall Time 4 ns. Tags: Surface Mount. More details for QT723N can be seen below.