The XE71S-Ax from Xsis Electronics is a General Crystal Oscillator with Frequency 500 kHz to 90 MHz, Supply Voltage -0.5 to 7 V, Output_Voltage 0.1 to 0.9 V, Current 5 to 50 mA (Input Current), Load Capacitance 15 pF. Tags: Surface Mount. More details for XE71S-Ax can be seen below.