The ABM8G-28.63636MHZ-18-D2Y-T is a 3.2 x 2.5 x 1mm 20 and 30ppm ultra miniature ceramic surface-mount Crystal features glass sealed assures high reliability and high temperature operation, tight tolerance and stability. The ABM8G series crystal for use with the modems, communication, test and thin equipment, PMCIA, wireless and high density applications. It is IR reflow capable.