Abracon AOC2522B Oven Controlled Crystal Oscillators (OCXOs) are high-stability, low-phase noise surface mount devices in a 25.4mm x 22mm, 7-pin package. Abracon AOC2522B OCXO Oscillators offer extremely low aging of ±700ppb over 20 years and ±10ppb stability over a -40°C to +85°C temperature range. The series features 3.3V and 5V supply options and seven standard available frequencies ranging from 10MHz to 100MHz. These OCXOs have an SC-Cut, High “Q” resonator-based design.