The (J)TX14-28xxx from Connor-Winfield Corporation is a Space Qualified Oscillator with Frequency 6.4 to 40 MHz, Frequency Stability ±0.28 ppm, Supply Voltage 3.13 to 5.25 V, Output Current 6 to 10 mA, Start-up Time 1 ms. Tags: Surface Mount. More details for (J)TX14-28xxx can be seen below.