HC49S-27.000000MHZ CRYSTAL 27MHZ HC49S HC49S-27.000000MHZ is a high-performance crystal component that operates at a frequency of 27MHz with a frequency stability of nan.Features equivalent series resistance (ESR) of 40 Ohms. Compact dimensions: length 11.00mm, width 5.00mm, and height 4.50mm. Supports a temperature range of nan for reliable performance. Manufactured by CRYSTAL UNITS with compliance to ROHS standards. Packaged as BULK for convenience.