The ECS-3953M-400-BN-TR is a high-quality crystal oscillator with a frequency of 40.000MHz. It operates on 3.3V with a frequency stability of ±50ppm over a wide temperature range of -40°C to 85°C. This HCMOS oscillator has a low power consumption of 25mA and comes in a compact SMD package measuring 0.276" x 0.197" (7.00mm x 5.00mm). Ideal for a range of electronic applications requiring precise timing and reliable performance.