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| td-02079 rev.c specifications subject to change without notice. aging: ultra-miniature package to meet today's demands for high density layouts. available on tape and reel in quantities of 3k for smt placement. 32.768khz ultra-miniature smd C15-SMD model 32.768khz 20ppm @ 25c 25c 5c -0.034 0.006ppm/c 2 (see chart 1) -40c to 85c -55c to 125c 65k ohm max 12.5pf typ. 0.0023pf typ. 1.2pf typ. 520 typ. 1uw max 500m ohm min, dc100v15v frequency: calibration tolerance: turnover temperature: frequency vs temp.: operating temp. range: storage: esr: load capacitance: motional capacitance: shunt capacitance: capacitance ratio: drive level: insulation resistance: .051 .004 (1.30 0.1) C15-SMD 0.282 0.004 (6.90 0.1) 0.055 0.004 (1.40 0.1) 0.016 (0.40) 0.031 (0.80) 0.023 (0.58) 0.022 (0.55) 0.012 (0.3) 0.047 (1.2) 0.047 (1.2) 0.200 (5.1) 0.024 (0.6) 0.024 (0.6) 60 25 0 -10 0 -50 temperature c typical temperature characteristic ppm 2 1 43 chart 1 all dimensions are max unless otherwise specified. dimensions inches (mm) <3ppm 1st/yr max 36 tuning fork crystal recommended reflow soldering profile 217c 200c 260c 150c 90 secs. max. temperature ramp-up 3c/sec max. preheat 180 secs. max. 8 minutes max. 260c for 10 secs. max. critical temperature zone ramp-down 6c/sec. note: reflow profile with 240c peak also acceptable. l e a d f r e e r o h s c o mp l i a n t
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