15351 west 109 th street | lenexa , ks 66219 | phone: 913.782.7787 | fax: 913.782.6991 | www.ecsxtal.com parameters conditions csm - 4ax units min typ max frequency 3.57 30.000 m hz mode of oscillation fundamental frequency tolerance * @ +25c 3 0 ppm frequency stability * - 1 0 ~ + 70 c 5 0 ppm shunt capacitance co 7 pf load capacitance specify in p/n 10 20 series pf drive level d l 5 00 w opr - 1 0 + 70 c storage temperature t stg - 55 + 125 c aging ( first year) @ +25c 3c 5 ppm ecs - frequency abbreviation load capacitance package available option s tolerance stability temp range packaging frequency (mhz) esr max. 3.57 ~ 4.999 200 5.000 ~ 5.999 150 6.000 ~ 6.999 100 7.000 ~ 8.999 80 9.000 ~ 12.999 60 13.000 ~ 19.999 40 20.000 ~ 30.000 30 operating conditions / electrical characteristics the csm - 4ax is an excellent choice for a low cost smd crystal . the csm - 4ax (28ax) has a case height of 5.0 mm max. in a resistance weld metal package. lower profile package height of 4.0 mm max. is available with the (28alx) package. csm - 4ax smd crystal csm - 4ax smd crystal ? cost effective ? low profile ? industry standard footprint ? pb free/rohs compliant dimensions (mm) part numbering guide: example ecs - 20 0 - 20 - 28ax - tr figure 1) top, side , and end 20 0 = 2 0 .000 m hz see p/n guide 20 = 20 pf s = series 28ax = 5.0 mm 28alx = 4.0 mm blank = std a = 25 ppm j = 20 ppm r = 15 ppm c = 10 ppm tr = tape & reel 1 k/reel rev. 201 7 ecs * specify available options in p/n. ? contact ecs for availability over extended temp range. blank= std d= 100 ppm e = 50 ppm g = 3 0 ppm h = 25 ppm t = 2 0 ppm ? w = 15 ppm ? k = 10 ppm ? blank= std l = - 10 ~ +70c m = - 20 ~ +70c y = - 30 ~ +85c n = - 40 ~ +85c p = - 40 ~ +105c s = - 40 ~ +125c u = - 55 ~ +125c figure 2 ) suggested land pattern
15351 west 109 th street | lenexa , ks 66219 | phone: 913.782.7787 | fax: 913.782.6991 | www.ecsxtal.com developed frequencies abbreviation frequency (mhz) 036 3.6864 040 4.000 060 6.000 073 7.3728 080 8.000 100 10.000 110.5 11.0592 120 12.000 122.8 12.288 143 14.31818 147.4 14.7456 160 16.000 184 18.432 200 20.000 240 24.000 250 25.000 solder profile peak solder temp +260c max 10 sec max. 2 cycles max. msl 1, lead finish ag pocket tape dimensions (mm) csm - 4ax s md crystal figure 1 ) suggested reflow profile
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