The ECS-3225SMV-120-FN-TR from ECS Inc. International is a General Crystal Oscillator with Frequency 12 MHz, Supply Voltage 1.62 to 3.63 V, Current 10 mA, Frequency Stability ±10 ppm, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for ECS-3225SMV-120-FN-TR can be seen below.