FC-135R 32.7680KA-AC3 CRYSTAL 32.768KHZ 9pF 20ppm SMD FC-135R 32.7680KA-AC3 is a high-performance crystal component that operates at a frequency of 32.768KHz with a frequency stability of nan.Features equivalent series resistance (ESR) of 50K Ohms. Compact dimensions: length 3.20mm, width 1.50mm, and height 0.80mm. Supports a temperature range of -40°C~+85°C for reliable performance. Manufactured by EPSON with compliance to ROHS standards. Packaged as TAPE&REEL for convenience.