AS49S-27M-FE200F3 CRYSTAL 27MHZ HC49S 20pF+/-30PPM RS:30 OHM AS49S-27M-FE200F3 is a high-performance crystal component that operates at a frequency of 27MHz with a frequency stability of ±50PPM.Features equivalent series resistance (ESR) of 30 Ohms. Compact dimensions: length 11.50mm, width 5.00mm, and height 3.60mm. Supports a temperature range of -20°C~+70°C for reliable performance. Manufactured by ANSEN with compliance to ROHS standards. Packaged as BULK for convenience.