The Connor-Winfield XO125 is a 5V Voltage Controlled Oven Compensated Controlled Crystal Oscillator (VCOCXO) with an HCMOS output. It is designed for Stratum 3E applications requiring a low aging rate and tight frequency stability. The device is housed in the standard CO8 EURO package with standard frequencies of 10 MHz and 12.8 MHz available. The RoHS compliant oscillator features frequency stability of 10 ppb max. and an aging rate 1 ppb per day max. Pricing starts $85 each in 1,000 pieces quantities.