The Abracon ISM82-3753BH-16.0000 is a 3x2.5 mm, surface mount, SMD, crystal oscillator with oscillation frequency of 16.000 MHz. It features a hermetically sealed ceramic package to protect against environmental contaminants and signal frequencies that match its tuning requirements. The ISM82-3753BH-16.0000 is designed for the EIA-485, EIA-422, EIA-232, IEEE-1394, and USB 2.0 serial bus / networking protocols, and is suitable for data communication, timing and clocking applications. It is also RoHS compliant and has a HCMOS/TTL compatible output with a 50 ppm frequency stability over the -40 to +85°C range.