TCXOs Are Said To Be World's Smallest
With dimensions of 6 x 3.5 x 1.7 mm and weighing 115 mg, the CFPT-635 temperature compensated crystal oscillator (TCXO) offers a frequency stability to within ±2.5 ppm from -30°C to 80°C. Available output frequencies are 12.8, 13, 14.4