The M6055 and M6056 Series from MtronPTI is a TCXO with Frequency 10 MHz - 52 MHz, Supply Voltage 3.0 V, Temperature Stability ±0.5 ppm, ±1.0 ppm, ±2.5 ppm, Operating Temperature -40 °C to +85 °C. Tags: Surface Mount. More details for M6055 and M6056 Series can be seen below.