Euroquartz is offering a low profile CX18 crystal from Statek with overall dimensions of 1.55x0.95x0.35mm and a typical weight of 1.8mg.

The CX18 has a target frequency range of 30MHz and higher with samples of 50MHz versions available.

The crystal is housed in a package with glass lid and is available in tight tolerances around 5ppm.

For more info, see http://www.euroquartz.co.uk