KLS14-HC-49S-12.000-20 CRYSTAL 12MHZ HC49S 20pF 20ppm SHORT BULK KLS14-HC-49S-12.000-20 is a high-performance crystal component that operates at a frequency of 12MHz with a frequency stability of nan.Features equivalent series resistance (ESR) of nan. Compact dimensions: length 11.50mm, width 5.00mm, and height 3.68mm. Supports a temperature range of nan for reliable performance. Manufactured by KLS ELECTRONIC with compliance to nan standards. Packaged as BULK for convenience.