UM1-SL Cut Low Frequency Crystals UM1-SL Cut Low Frequency Crystals SL cut crystals offer a low frequency range up to 1.280MHz in a small leaded package. Any KHz Range Any Make an enquiry download data sheet SL cut crystals offer a low frequency range up to 1.280MHz in a small leaded package. Features Low frequency range 800kHz - 1.28MHz Small UM1 package Typical Applications Specialist communications Specifications