The ECS-2100AX-196.6 from ECS Inc. International is a General Crystal Oscillator with Frequency 19.6608 MHz, Supply Voltage 5 V, Current 25 mA, Frequency Stability ±100 ppm, Operating Temperature 0 to 70 Degree C. Tags: Through Hole. More details for ECS-2100AX-196.6 can be seen below.