surface mount crystal page 1 of 3 tcxo page 1 of 3 ser i es 1612 r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n .w . 3 3 r d s t r e e t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . telephone: 305 - 593 - 6033 ? fax: 305 - 594 - 3973 ? e - mail: sales@raltron.com ? web site: http://www.raltron.com ? features ? ultra small ultra thin ? automatic mounting possible ? reflow possible ? excellent for high density applications ? specification s table 1 frequency (mhz) mode maximum esr (ohms) 26 .00 0 to 40 .9 99 fund 150 41 .00 0 to 60 . 9 99 fund 100 ? part numbering system type - frequency - load capacitance - mode - r 1612 - in mhz - 8 to 10 pf for parallel - f - tolerance/stablity (ppm/ppm) - extended temperature - tape & reel ppmppm example: 1020, 2050 - blank for standard ext for extended - tr example: r 1612 - 24 .000 - 8 - f - 1530 - tr surface mount crystal, 1.6 x 1. 2 mm, 24.000 mhz, 8 pf load, fundamental mode, 15 ppm tolera nce, 3 0 ppm stability, from - 1 0c to + 60 c, tape and reel packaging parameter value frequency range 26 .0 0 0 mhz to 60 .00 0 mhz mode of oscillation at cut, fundamental frequency tolerance at 25c 1 5 ppm, or 3 0 ppm frequency stab i lity over temperature 1 5 ppm, or 3 0 ppm operating temperature range - 10c to +60c standard - 40c to +85c extended storage temperature range - 40c to +85c aging 2 ppm per year or 5 ppm per year load capacitance 8 pf to 10 pf equivalent series resistance see table 1 shunt capacitance 5 .0 pf maximum drive level 50 w max reflow conditions 260c 5c for 10s maximum
surface mount crystal page 2 of 3 tcxo page 2 of 3 ser i es 1612 r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n .w . 3 3 r d s t r e e t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . telephone: 305 - 593 - 6033 ? fax: 305 - 594 - 3973 ? e - mail: sales@raltron.com ? web site: http://www.raltron.com ? mechanical specification ? carrier tape dimensions note: refer to eia - 481 for non - specified dimensions ? packaging 180 mm reel diameter 8 mm tape width, 4 mm pitch quantity: 3 000 pieces per reel in accordance with eia - 481 1.6 0.05 1.25 0.05 0.55 .063 .02 .022 top view gnd gnd .65 .026 .55 land pattern marking area 0.45 .7 .03 .018 .049 .02 bottom view .022 0.4 .016 0.32 0.03 .013 .001 ? 1.5 ? .059 .079 .002 2.0 0.05 1 .7 5 0 .1 .0 6 9 .0 0 4 1.0 0.1 .039 .004 8 .0 0 .2 .3 1 5 .0 0 8 3 .5 0 .0 5 .1 3 8 .0 0 2 .157 .004 4.0 0.1 .157 .004 4.0 0.1 .110 .004 2.8 0.1 ? 1.15 ? .045 .010 .002 0.25 0.05 3 .5 0 .1 .1 3 8 .0 0 8
surface mount crystal page 3 of 3 tcxo page 3 of 3 ser i es 1612 r a l t r o n e l e c t r o n i c s ? 1 0 4 0 0 n .w . 3 3 r d s t r e e t ? m i a m i , f l o r i d a 3 3 1 7 2 ? u . s . a . telephone: 305 - 593 - 6033 ? fax: 305 - 594 - 3973 ? e - mail: sales@raltron.com ? web site: http://www.raltron.com ? reflow profile reflow profile temperature min preheat t smin 150c temperature max preheat t smax 200c time (t smin to t smax ) t s 60 - 180 sec. temperature t l 217c peak temperature t p 260c ramp - up rate r up 3c/sec max. ramp - down rate r down 6c/sec max. time within 5c of peak temperature t p 10 sec. time t[25c] to peak temperature t[25c] to peak 480 sec. time t l 60 - 150 sec. ? environmental parameter value moisture sensitivity level 1 rohs 6/6 lead free reach svhc compliant halogen - free compliant esd classification level n/a termination finish au october 2012 temp. [c] time [sec] t p t l t smax t smin ramp - up ramp - down critical zone t l to t p t[25c] to peak t s preheat t l t p
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