SiTime Corporation Ruggedized MHz Super-TCXOs SiT5543AI-WW133JEB35.000000

The SiT5543 is a 1 MHz to 60 MHz Endura™ ruggedized precision oscillator with ±5 ppb frequency stability from -40°C to 95°C, designed for aerospace and defense applications requiring high timing accuracy under environmental stress. It features a 7.0 mm × 5.0 mm ceramic package, LVCMOS or clipped sinewave output, integrated power regulators eliminating the need for an external LDO, and supports supply voltages of 2.5 V, 2.8 V, 3.0 V, or 3.3 V. The device offers digital frequency control up to ±3200 ppm via I2C, with acceleration sensitivity as low as 0.01 ppb/g. It is RoHS and REACH compliant, Pb-free, halogen-free, and antimony-free.