ECS CSM-7X SMD Quartz Crystals are low-profile, cost-effective modules with an industry-standard footprint. The CSM-7X has a case height of 4.3mm maximum in a resistance weld metal package. The series operates in a temperature range of -10°C to +70°C and has a frequency range of 3.57MHz to 70MHz. ECS CSM-7X SMD Quartz Crystals are lead free and RoHS compliant.