version 1.2/04.2009 dimensions cc7a-t1a at crystal 24 mhz ? 30 mhz 0,7 1,8 1,5 max.0,90 0,7 3,2 1,5 1,0 1,0 package: recommended solder pad: all dimensions in mm typical description: this smd ceramic package has been specially designed for small, implantable medical, industrial, telecom and electronic applications. all frequencies are generated in fundamental mode. the crystals are supplied in special trays (200 crystals per tray). for pick-and-place equipment, the parts are available in 12 mm tapes: 7? (178 mm) reel with 3?000 crystals 13? (330 mm) reel with 14?000 crystals suitable for implantable medical applications small smt ceramic package package height 0.9 mm fundamental mode frequencies smd-package in tape and reel ind. and ext. temperature ranges high stability, low ageing high shock and vibration resistance 1) other load capacitances on request; e.g. cl: 3.0 pf / 9.0 pf / 16.0 pf 2) tighter and wider frequency tolerances on request; e.g. +/-20 ppm 3) tighter thermal stability on request; e.g. +/-10 ppm from 0c to +55c electrical characteristics at 25 o c: frequency range f l 24?30 mhz load capacitance 1) c l 20.0 pf frequency tolerance at 25c 2) f/f +/-50 ppm frequency versus temperature 3) b: ?40c to + 85c c: ?55c to +125c f/f 0 +/-50 +/-100 ppm drive level typ/max p 100/250 w insulation resistance min. r i 500 m frequency [mhz] rs[ ] typ/max c1 [ff] typ/max co [pf] typ 24 to < 30 60/100 1/3 0.7 100% leadfree, rohs - compliant
version 1.2/04.2009 micro crystal ag tel. +41 32 655 82 82 mhlestrasse 14 fax +41 32 655 82 83 ch-2540 grenchen sales@microcrystal.ch switzerland www.microcrystal.com environmental characteristics: conditions max. dev. [ppm] storage temp. range ?55 to +125c b - industrial operating temp. range ?40 to +85c c - extended operating temp. range ?55 to +125c shock resistance f/f 5000 g, 0.3 ms, ? sine +/-5 vibration resistance f/f 20 g / 10?2000 hz +/-5 terminations and processing: type termination processing cc1a-t1a for smd mounting au ashed pads re ow soldering 260c / 20 s max. CC1A-T3A for smd mounting sn/ag/cu plated re ow soldering 260c / 20 s max. part number/ ordering information example: operating temperature range b = -40c to +85c industrial c = -55c to +125c extended s = custom speci cation package pad form a = pads on both ends pad plating 1 = au ashed pads 3 = sn/ag/cu plated package type t = for smd mounting c c 7 a - t 1 a 26.0 mhz 20.0 pf +/-50 ppm b all specifications subject to change without notice. 04.09 crystal package c = crystal in ceramic package package lid c = ceramic lid package size 1 = 8.0 x 3.7 x 1.75 mm blank a = at frequency mhz 24.0000 25.0000 26.0000 26.5000 other frequencies between 24 mhz and 30 mhz on request standard frequencies: frequency f l frequency tolerance load capacitance c l screening: medical, automotive and avionics testing available on request
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