15351 west 109 th street | lenexa, ks 66219 | phone: 913.782.7787 | fax: 913.782.6991 | www.ecsxtal.com parameters conditions ec x - 64 units min typ max frequency 8 .000 50 . 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 100 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. 8 .000 ~ 9 .999 6 0 1 0 .000 ~ 1 3 .999 50 14.000 ~ 19.999 40 20 .000 ~ 50 . 000 30 pad connections 1 in/out 2 gnd 3 out/in 4 gnd operating conditions / electrical characteristics the ec x - 64 is a miniature smd crystal with a 6 x 3.5 mm 4 pad footprint. this cost effective package with a height of 1.1 mm is ideal for densely populated pcb applications ec x - 64 smd crystal ec x - 64 smd crystal ? compact and low profile ? industry standard footprint ? extended temp . range option ? rohs compliant ? 6 x 3.5 mm (4 pad) dimensions (mm) part numbering guide: example ecs - 20 0 - 20 - 23 b - tr figure 1) top, side , and bottom crystal is s ymmetrical , pad 1 & 2 are i nterchangeable. chamfer on the bottom pad has no electrical significance. 20 0 = 20 .000 m hz see p/n guide 20 = 20 pf s = series 23 b = ec x - 64 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) 120 12.000 147.4 14.7456 160 16.000 200 20.000 250 25.000 270 27.000 286.36 28.636 solder profile peak solder temp +260c max 10 sec max. 2 cycles max. msl 1, lead finish au pocket tape dimensions (mm) ec x - 64 s md crystal figure 1 ) suggested reflow profile
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