The ECX-L37CM-133.333 from ECS Inc. International is a General Crystal Oscillator with Frequency 133.333 MHz, Supply Voltage 3.3 V, Current 20 mA, Frequency Stability ±25 ppm, Operating Temperature -20 to 70 Degree C. Tags: Surface Mount. More details for ECX-L37CM-133.333 can be seen below.