27 ? 2004 fox electronics fox electronics 5570 enterprise parkway fort myers, florida 33905 usa +1(239)693-0099 fax +1(239)693-1554 http://www .foxonline.com features ? miniature package ? 2.5mm height ? long term stability ? tape and reel (3,000 pcs. std) smd tuning fork model: fsr learn more about: part marking identification t ape and reel s pecification internet required all dimensions are in millimeters. max (unless otherwise noted) all specifications subject to change without notice. rev. 7/12/04 32.768 khz 20 ppm -0.04 ppm / ( ? oc) 2 +20oc ~ +30oc -40oc ~ +85oc -55oc ~ +125oc 50 k ? 12.5 pf (standard) 6 pf (optional) 500 m ? min 1.0 w 3 ppm parameters frequency frequency tolerance @ 25oc frequency stability temperature coefficient temperature range turnover (t o ) operating (t opr ) storage (t stg ) equivalent series resistance (r s ) load capacitance (c l ) insulation resistance @ 100v dc drive level aging per year ? standard specifications frequency stability operating temperature -40 oc~ +85 oc 32.768 khz fsr model number part number 414-frequency-xxxxx ? part number learn more - internet required frequency see table discontinued
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