XCR-27.000MHZ CRYSTAL 27.000MHZ HC49U 20pF +/-30PPM RS:30 ohm XCR-27.000MHZ 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 40 Ohms. Compact dimensions: length 10.80mm, width 4.60mm, and height 13.00mm. Supports a temperature range of -20°C~+70°C for reliable performance. Manufactured by TECHNICAL CRYSTAL with compliance to ROHS standards. Packaged as BULK for convenience.