specifications (characteristics) recommended soldering pattern external dimensions (unit: mm) (unit: mm) 1.3 2.4 4.4 0.9 max. 1.9 max 5.0 max 3.2 internal connection [ top view ] [ bottom view ] # 1 # 2 # 1 # 2 0.85 ea03j ea03j crystal unit FC-255 ? high-density mounting-type smd of 0.9 mm max. thickness. ? small packaging area and light weight. ? excellent environmental capability. ? most suitable for small communications devices. item nominal frequency storage temperature operating temperature maximum drive level frequency tolerance(standard) peak temperature(frequency) temperature coefficient(frequency) load capacitance series resistance motional capacitance shunt capacitance insulation resistance aging symbol f t stg t opr gl ? f/f t a c l r 1 c 1 c 0 ir fa specifications 32.768 khz -55 c to +125 c -40 c to +85 c 0.5 w max. 20 x 10 -6 +25 c 5 c -0.04 x 10 -6 / c 2 max. 7 pf, 12.5 pf 65 k ? max. 1.7 ff typ. 1.3 pf typ. 500 m ? min. 3 x 10 -6 /year max. remarks please contact us for inquiries about the available frequency ta=+25 c, dl=0.1 w please ask tighter tolerance please specify ta=+25 c 3 c, first year thin smd low frequency crystal unit temperature range actual size new products
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