cmr310t/CMR309T (1,000pcs/reel) features: z the units are high-perfo rmance, miniature crys tal units manufactured with citizen's ultrahigh-preci sion processing technology. z ideal for low cost smd applications. z provided in tape and reel. applications: z can be used for a wide range of applications including use in av equipment, oa equipment, communication equipment and measuring instruments. standard specifications item cmr310t CMR309T conditions nominal frequency f 0 3.5mhz to 4.000mhz 4.001mhz to 32mhz (fund) 30mhz to 70mhz (3rd ot ) please contact us for changes in frequency. frequency tolerance delta f/f 0 30ppm or 50ppm at 25c frequency vs.temperature characteristics delta f/f 0 50ppm (30ppm) -10c to +60 c operating temperature range t opr -40c to + 85c storage temperature range t stg -55c to +125c equivalent series resistance r 1 see drawing at 25c load capacitance c l 16.0pf typ. please specify shunt capacitance c 0 5.0pf max. drive level dl 50 w to 100w insulation resistance ir 500m ohm min. dc100v 15v aging (first year) delta f/f 0 5ppm max. 25c 3c sealing 1 x 10 -2 pam 3 /s max. shock resistance 5ppm max. drop test of 3 times on a hard board from 75cm height or shock test of 3000g x 0.3ms x 1/2sin wave x 3 directions conditions will vary depending on the frequency. frequency vs temperature curve pa g e 1 of 2 citizen cr y stals and oscillators - cmr310t/309t 4/2/2003 htt p ://www.citizencr y stal.com/ q uartz/cr y stals/cmr310t309t _ d.htm
equivalentseries resistan ce (esr, r1)(ohm max.) frequency equivalent series resistance mode 3.5mhz <(=) f 0 < 4mhz 200 fundamental 4mhz <(=) f 0 < 6mhz 150 6mhz <(=) f 0 < 10mhz 100 10mhz <(=) f 0 <(=) 32mhz 50 30mhz < f 0 < 36mhz 100 3rd ot 36mhz <(=) f 0 < 70mhz 80 dimensions: (unit=mm) recomended soldering pattern: (unit=mm) pa g e 2 of 2 citizen cr y stals and oscillators - cmr310t/309t 4/2/2003 htt p ://www.citizencr y stal.com/ q uartz/cr y stals/cmr310t309t _ d.htm
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