100% leadfree, rohs - compliant 0,7 1,8 1,5 max.0,35 0,7 3,2 1,5 1,0 1,0 dimensions cm7v-t1a 0.3 tuning fork crystal 32.768 khz all dimensions in mm typical description: this smd ceramic package has been specially designed for ultra low pro le telecom and smart-card applications. a special crystal manufacturing process is used to achieve improved electrical characteristics and a miniaturized blank size. for pick-and-place equipment, the parts are available in 8 mm tape: 7? (178 mm) reel with 1?000 crystals 7? (178 mm) reel with 3?000 crystals 13? (330 mm) reel with 14?000 crystals lowest profile smt ceramic pack. ultra low profile: 0.35 mm height smd-package in tape and reel ind. and ext. temperature ranges high stability low aging low power consumption high shock and vibration resistance electrical characteristics at 25 o c: 1) other frequencies on request. 2) other load capacitances on request. 3) tighter and wider frequency tolerances on request. nominal frequency 1) f l 32.768 khz load capacitance 2) c l 7.0 / 9.0 / 12.5 pf frequency tolerance 3) ? f/f +/-20 ppm ? f/f +/-100 ppm series resistance typ./max. r s 45 / 60 k ?? motional capacitance typ. c 1 3.5 ff static capacitance typ. c 0 1.4 pf drive level max. p 0.5 ? w insulation resistance min. r i 500 m ?? aging rst year max. ? f/f +/-3 ppm turnover temperature t 0 25 +/-5 c frequency vs. temperature ? f/f 0 ?0.035 ppm / c2 (t - t 0 ) 2 +/-10% ppm package: recommended solder pad:
version 1.1 / 07.2012 a unique part number will be generated for each product speci cation, i.e: 20xxxx-mc01 1'000 pcs ( in 8mm tape on 7" reel) 20xxxx-mc03 3'000 pcs ( in 8mm tape on 7" reel) 20xxxx-pc14 14'000 pcs ( in 8mm tape on 13" reel) please contact us. micro crystal ag tel. +41 32 655 82 82 mhlestrasse 14 fax +41 32 655 82 83 ch-2540 grenchen sales@microcrystal.com switzerland www.microcrystal.com cm7v?t1a 0.3 32.768khz 12.5pf +/-20ppm ta qc c l load capacitance frequency tolerance frequency f l 7.0 pf 9.0 pf 12.5 pf +/- 20 ppm +/- 100 ppm temperature range ta = - 40 to 85c (standard) optional: if not defined, ?standard? will apply qualification = commercial (standard) qc terminations and processing: type termination processing cm7v-t1a 0.3 for smd mounting au plated pads re ow soldering 260c / 20 s max. product description and ordering information: all specifications subject to change without notice. environmental characteristics: conditions max. dev. storage temperature range ?55 to +125c ta operating temperature range ?40 to +85c shock resistance ? f/f 5000 g, 0.3 ms, ? sine +/-5 ppm vibration resistance ? f/f 20 g / 10?2000 hz +/-5 ppm standard frequencies: frequency khz 32.768 other frequencies on request
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