The S7D30.000000A20F30T, manufactured by SCTF, is a SMD oscillator with a 30MHz frequency, operating within a tolerance of ±20ppm (parts per million). It comes in the form of a SMD-7050-4P, which is a four-pin, chip-sized package. It is RoHS compliant, meaning that the product is free from hazardous substances. It is a widely used electronic component which generates an alternating-current, largely used in timekeeping or in clocking processes.