The ECX-H37BL-125.000 from ECS Inc. International is a General Crystal Oscillator with Frequency 125 MHz, Supply Voltage 3.3 V, Current 40 mA, Frequency Stability ±50 ppm, Operating Temperature -10 to 70 Degree C. Tags: Surface Mount. More details for ECX-H37BL-125.000 can be seen below.