The M2180 Series from MtronPTI is a XO with Frequency 1 MHz - 70 MHz, Supply Voltage 1.8 V, Temperature Stability ±25 ppm, ±35 ppm, ±50 ppm, ±100 ppm, Operating Temperature -40 °C to +85 °C. Tags: Surface Mount. More details for M2180 Series can be seen below.