The M3L and M5L Series from MtronPTI is a XO with Frequency 1.544 MHz - 125 MHz, Supply Voltage 3.3 V, 5.0 V, Temperature Stability ±20 ppm, ±25 ppm, ±35 ppm, ±50 ppm, ±100 ppm, Operating Temperature -40 °C to +85 °C. Tags: Surface Mount. More details for M3L and M5L Series can be seen below.