ECS-73-20-1 CRYSTAL 7.3728MHZ HC49U 20pF LONG BULK ECS-73-20-1 is a high-performance crystal component that operates at a frequency of 7.3728MHz with a frequency stability of ±50PPM.Features equivalent series resistance (ESR) of 40 Ohms. Compact dimensions: length 11.35mm, width 4.65mm, and height 13.46mm. Supports a temperature range of -10°C~+70°C for reliable performance. Manufactured by ECS with compliance to ROHS standards. Packaged as BULK for convenience.