ECS 2018 Series SMD Clock Oscillators offer a 50MHz maximum frequency rating, 10µA stand-by current rating, and 1.71VDC to 1.89VDC input voltage. The ECS-2018 oscillators feature low voltage high-speed CMOS (HCMOS), low current consumption, and a 2.5mm x 2mm footprint. ECS 2018 Series SMD Clock Oscillators are ideal for high-density applications.