The M615x Series from MtronPTI is a TCXO with Frequency 8 MHz - 38.88 MHz, Supply Voltage 3.0 V, 3.3 V, 5.0 V, Temperature Stability Fully Stratum 3 Compliant ±4.6 ppm w/Holdover, Operating Temperature -40 °C to +85 °C. Tags: Surface Mount. More details for M615x Series can be seen below.