The ECS-2532HS-540-3-G from ECS Inc. International is a General Crystal Oscillator with Frequency 54 MHz, Supply Voltage 3.3 V, Current 10 mA, Frequency Stability ±10 ppm, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for ECS-2532HS-540-3-G can be seen below.