r ami technology 10651 nw 19th st. miami, florida 33172 u.s.a. tel: 305-593-8000 fax: 305-59 3-8487 e-mail: sales@ra mitechnology .com web: www.ramitechnology.com pin 4 pin 3 pin 2 pin 1 marking area 0.6 .024 5.5 .217 0.6 .024 0.7 .028 4.8 .189 0.7 .028 0.7 .028 1.6 .063 1.6 .063 solder pad layout 1.4 .055 1.4 .055 2.5 .099 pin 4 pin 3 pin 2 pin 1 lead connection "c" 3.7 .148 8.7 .343 sur f ace mount tuning fork c r ys t al unit 0 -10 25 60 temp (c) f/f o d (ppm) -50 330mm reel diameter 16mm t ape width, 8mm pitch quantit y : rse c or d 3000 pieces per reel series rse c rse c, d holder type - frequency - load capacitance - circuit type - tape and reel rse in khz 6 or 12.5 pf c . t r example: rse-32.768-12.5-c-tr fe a tures specific a tions outline dr a wings p ackaging reflow soldering profile frequency vs. temper a ture curve p art numbering system carrier t ape dimensions sui t able for time of d a y clock applic a tions low frequency range excellent for au t om a tic and high density sur f ace mounting nominal frequency 32.768 khz 24.00 to 350.00 khz 351.00 khz to 615.00 khz frequency tolerance 20 ppm maximum (50 ppm and 100 ppm available) turnover temperature 25c 5c 25c 8c 25c 15c temperature coefficient (-0.035 0. 00 8) ppm/ d c2 load capacitance 6.0 to 12.5 pf equivalent series resistance (esr) 50 k ohm maximum 50 k ohm maximum 20 k ohm maximum drive level 1.0 w maximum shunt capacitance 1.0 pf typical 0.95 pf typical 0.9 pf typical aging (first year) 5 ppm maximum operating temperature range -40c to +85c storage temperature range -55c to +125c shock resistance 5 ppm maximum 75 cm drop test in 3 axes onto a hard surface or 3000 g x 0.3 ms x ? sinewave in 3 axes solder reflow conditions 230 c maximum for 20 s maximum mm i n ch preheating reflow cooling 230 c 150 c 25 c 30 - 40 s time (seconds) temperature 15 - 20 s 1.5 dia .06 dia .16 .004 4.0 0.1 1.75 .069 16 .630 7.5 .295 4.3 0.1 .170 .004 8.0 0.1 .315 .004 2.0 0.05 .079 .002 h cavity height "h" rse "a and b" = 4.0 mm/.157 in rse "c and d" = 3.0 mm/.118 in
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