The AB-1.8432MHZ-B2 is an HC49/U crystal oscillator operating at a fundamental frequency of 1.8432 MHz, designed for precision timing applications in digital systems. This crystal features high precision availability with resistance-welded construction, operating over a temperature range of 0°C to +70°C with frequency stability of ±100 ppm over the operating temperature range (referenced to +25°C). The device exhibits an equivalent series resistance (ESR) of 750 O maximum at 1.8432 MHz, a shunt capacitance of 7 pF maximum, and a load capacitance of 18 pF typical, with drive level ranging from 100 to 1000 µW. The crystal is ideal for large pullability applications and is commonly used in CPU, memory, computer, printer, and data communication systems requiring reliable frequency reference.