15351 west 109 th street | lenexa , ks 66219 | phone: 913.782.7787 | fax: 913.782.6991 | www.ecsxtal.com parameters conditions ecx - 1048 b units min typ max frequency 32 .000 80 .000 m hz frequency tolerance @ +25c (r) 1 5 ppm frequency stability - 4 0 ~ + 85 c ( t n ) 2 0 ppm equivalent series resistance (esr) 32 ~ 33 . 0 mhz 1 0 0 33.1 ~ 37.0 mhz 8 0 37.1 ~ 80.0 mhz 60 l 10 10 0 w opr - 40 + 85 c storage temperature t stg - 40 + 105 c aging ( first year) @ +25c 3c 2 ppm ecs - frequency abbreviation load capacitance package custom optiond tolerance * stability temp range packaging pad connections 1 in/out 2 gnd & lid 3 out/in 4 nc operating conditions / electrical characteristics the ultra - minature ecx - 1048 b is a our smallest compact crystal. the 1.2 x 1.0 x 0. 33 mm cera mic package is ideal for todays ecx - 1048 b smd crystal ecx - 1048 b smd crystal ? low profile ? 1.2 x 1 .0 mm footprint ? extended temp . range ? rohs compliant ? iot/wearable applications dimensions (mm) part numbering guide: example ecs - 480 - 10 - 48 b - r tn - tr figure 2) suggested land pattern figure 1) top, side , and bottom v iews 480 = 48 .000 m hz see p/n guide 7 = 7 pf * other cls available - 48 b = ecx - 1048 b a = 25 ppm j = 20 ppm r = 15 ppm c = 10 ppm tr = tape & reel 5 k/reel rev. 201 7 ecs * contact ecs for availability e = 50 ppm g = 3 0 ppm h = 25 ppm t = 2 0 ppm w = 15 ppm k = 10 ppm m = - 20 ~ +70c y = - 30 ~ +85c n = - 40 ~ +85c request a sample
15351 west 109 th street | lenexa , ks 66219 | phone: 913.782.7787 | fax: 913.782.6991 | www.ecsxtal.com standard frequencies abbreviation frequency (mhz) 3 20 32. 000 374 37.4 00 450 45 .000 480 48 . 0 00 520 52 .000 640 64.000 solder profile peak solder temp +260c max 10 sec max. 2 cycles max. msl 1, lead finish au pocket tape dimensions (mm) ecx - 1048 b smd crystal figure 1 ) suggested reflow profile
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