document number: 35013 for technica l questions contact: frequency@vishay.com www.vishay.com revision: 01-jun-06 17 quartz crystals xt57c vishay dale the xt57c is a miniature smd crystal with 7.0 x 5.0 ceramic package and a height of 1.1 mm max. 9.8304 mhz to 100 mhz frequency makes it widely applied in notebook computer, pcmcia and communication equipment. features ? miniature size ? 1.1 mm height ? wide frequency range ? seam sealing ? emboss taping ? 100 % lead (pb)-free and rohs compliant dimensions in inches [millimeters] standard electrical specifications parameter symbol condition unit min typical max frequency range f o mhz 9.8304 100.000 frequency tolerance f/f o at 25 c ppm 10 30 50 temperature stability tc ref to 25 c ppm 10 30 50 operating temperature range t opr c - 10 + 60 storage temperature range t stg c - 40 + 85 shunt capacitance c o pf 7 load capacitance cl customer specified pf 10 series insulator resistance ir 100 v dc m 500 drive level dl w 100 300 aging fa at 25 c, per year ppm -5.0 + 5.0 equivalent series resistance (esr) and mode of vibration (mode) frequency range (mhz) max esr ( )mode 9.8304 to 15.999 60 fundamental 16.000 to 39.999 40 fundamental 40.000 to 83.999 60 3 rd overtone 84.000 to 100.000 80 3 rd overtone 0.276 0.006 [7.00 0.15] 0.181 0.005 [4.60 0.13] 0.055 [1.4] 0.043 [ 1.1 max ] 0.061 0.005 [1.54 0.13] 0.197 0.006 [5.0 0.15] recommended solder pattern marking area 0.039 0.005 [1.0 0.13] 12 43 0.047 [1.20] 0.087 [2.2] 0.157 [4.0] 0.043 [1.1] n ote: pin#2 and #4 are connected thro u gh co v er, in case connected to g n d. fre qu ency might b e drifted 0.055 [1.4] 0.087 [2.2] ordering information xt57c model -20 load blank = series 20 = 20 pf 32 = 32 pf 16 = 16 pf 2 m frequency/mhz e4 jedec lead (pb)-free standard global part number model load pa c k ag e frequency code x t 5 7 2 0 a 2 5 m rohs compliant
www.vishay.com for technical questi ons contact: frequency@vishay.com document number: 35013 2 revision: 01-jun-06 xt57c vishay dale quartz crystals global part numbering xt9s 20 a na 40m model number load capacitance package code options frequency xt9u = xt49u xt9s = xt49s xt9sl = xt49sl xt9m = xt49m xt9ml = xt49ml xtu1 = xtum1 xt36 = xt36c xt57 = xt57c xt46 = xt46c 18 = 18 pf 20 = 20 pf nl = series to be specified by customer tape and reel g = rf5 (xt9u, xt9s, xt9sl) h = rf7 (xt9m, xt9ml, xt36, xt57, xt46) bulk a = b04 (all models) na = no additional options rr = extended temperature of - 40 c to + 85 c contact factory for all other options 4m = 4 mhz 40m = 40 mhz 100m = 100 mhz 12m288 = 12.288 mhz m is used as decimal place holder in frequency example: xt49s-20 40m xt26t t a 32k768 model number operating temperature (otr) pac k ag e code frequency xt26t = xt26t xt38t = xt38t t = 0 c to + 70 c r = - 40 c to + 85 c bulk a = b04 (all models) 32k768 = 32.768 khz k is used as decimal place holder in frequency example: xt26t 32.768k xt38p a a 32k768 model number pad layout pac k ag e code frequency xt32p = xt32p xt38p = xt38p a = a b = b (see datasheet) bulk a = b04 (all models) 32k768 = 32.768 khz k is used as decimal place holder in frequency example: xt38pa 32.768k
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