AS-18.432-18-SMD-TR CRYSTAL 18.4320MHZ 18PF SMD AS-18.432-18-SMD-TR is a high-performance crystal component that operates at a frequency of 18.432MHz with a frequency stability of ±50PPM.Features equivalent series resistance (ESR) of 40 Ohms. Compact dimensions: length 13.50mm, width 4.70mm, and height 4.60mm. Supports a temperature range of -20°C~+70°C for reliable performance. Manufactured by RALTRON with compliance to ROHS standards. Packaged as TAPE&REEL for convenience.