A-16.000-18 CRYSTAL 16MHZ HC49U 18pF RALTRON A-16.000-18 is a high-performance crystal component that operates at a frequency of 16MHz with a frequency stability of ±50PPM.Features equivalent series resistance (ESR) of 25 Ohms. Compact dimensions: length 11.00mm, width 4.70mm, and height 13.50mm. Supports a temperature range of -20°C~+70°C for reliable performance. Manufactured by RALTRON with compliance to ROHS standards. Packaged as BULK for convenience.