The ETXO-H33CL-50.000 from ECS Inc. International is a TCXO with Frequency 50 MHz, Supply Voltage 3.3 V, Current 30 mA, Frequency Stability ±2.5 ppm, Operating Temperature -30 to 85 Degree C. Tags: Surface Mount. More details for ETXO-H33CL-50.000 can be seen below.