The 50.000MHZ XO91050UITA is a 7 x 5mm 3.3V 50ppm surface-mount micro miniature Clock Oscillator with tri-state function. The XO91 series oscillator with ceramic substrate and seam-welded metal lid and the high quality design and build quality of the XO91 provides a stable and reliable clock oscillator. It meets MIL-STD-202F standards for shock and vibration.