The ECS-VXO-73-19.440-TR from ECS Inc. International is a VCXO with Frequency 19.44 MHz, Frequency Stability ±50 ppm, Supply Voltage 3.3 V, Current 20 mA, Operating Temperature -10 to 70 Degree C. Tags: Surface Mount. More details for ECS-VXO-73-19.440-TR can be seen below.