The XO2520BM-54MHz-A from Dynamic Engineers is a XO with Frequency 54 MHz, Supply Voltage 2.97 to 3.63 V, Frequency Stability ±25 ppm, Current 15 mA, Duty Cycle 45 to 55 %. Tags: Surface Mount, Low Power. More details for XO2520BM-54MHz-A can be seen below.