The 16.000MHZ MQ/30/30/40/12PF is a 7 x 5mm 30ppm miniature surface-mount Crystal with gold-plated ceramic base with metal seam-welded lid. The MQ series crystal with high shock and vibration resistance ideal for PDAs, GPS, PCMCIA and hand-held equipment. It is produced using a ceramic substrate and fitted with a hermetically-sealed metal lid. The crystal is well-suited to mass-market electronic applications and may also be produced to close tolerances making this crystal a good choice for applications requiring low mass and tight tolerances.