ECS introduces their ECX-1637Q series AEC-Q200 qualified subminiature SMD crystal. The 2.0 mm x 1.6 mm x 0.45 mm (LWH) 4-pad ceramic package is ideal for today’s SMD manufacturing environment. The ES version has a frequency tolerance of ±30 ppm at +25°C and a frequency stability of ±50 ppm over an operating temperature of -40°C to +125°C.