ECS CSM-7SS Low-Profile SMD Crystals are 2.6mm height crystals in a resistance weld metal package. ECS CSM-7SS Low-Profile SMD Crystals are cost-effective and provide a 3.57MHz to 50.00MHz frequency range. The series offers ±30ppm maximum frequency tolerance and ±50ppm maximum frequency stability while operating over a -10°C to +70°C operating temperature range.