Crystal 12.0000MHz 20PF SMD - ECX-53B-DU - ±100ppm - ±30ppm - 20pF - 80 Ohm - Fundamental - -55°C ~ 125°C - 4-SMD - No Lead (DFN - LCC) - 0.197" L x 0.126" W (5.00mm x 3.20mm) - 0.033" (0.85mm)