Crescent Frequency Products, Inc. is a full service manufacturer of frequency control devices. Our wide selection of high quality, competitively priced components includes quartz based microprocessor crystals, clock oscillators, temperature compensated crystal oscillators (TCXOs), voltage controlled crystal oscillators (VCXOs), & oven controlled crystal oscillators (OCXO) in a wide variety of surface mount (SMD) and through-hole packages. All of our frequency timing devices are manufactured in ISO 9001:2008 certified facilities and are RoHS and R.E.A.C.H. compliant.