The ECS-3225S33-120-EN-TR from ECS Inc. International is a General Crystal Oscillator with Frequency 12 MHz, Supply Voltage 3.3 V, Current 7 mA, Frequency Stability ±15 ppm, Operating Temperature -40 to 85 Degree C. Tags: Surface Mount. More details for ECS-3225S33-120-EN-TR can be seen below.