77 saw device 1 gnd 2 gnd 3 in or out 4 open 5 gnd 6 gnd 7 in or out 8 open no. 4.8 0.2 1.27 1.27 0.8 0.9 8 7 6 1 5 2 3 4 5.2 0.2 1.5 0.2 ( unit: mm ) ( unit: mm ) external dimensions specifications (characteristics) recommended soldering pattern 31224 129e 3.5 2.54 0.95 4.4 1.4 pat saw resonator fs-555 ? reflow solderable smd ceramic package. ? capable of covering a wide frequency range, from 230 mhz to 500 mhz. ? 1.7 mm max. thickness is equal to smd-type ic. ? perfect for small wireless equipment. item nominal frequency range temperature range storage temperature operating temperature maximum drive level recommended drive level frequency tolerance (standard) peak temperature temperature coefficient harmonic ratio series resistance motional capacitance shunt capacitance insulation resistance aging shock resistance symbol f 0 t stg t opr gl dl d f/f q t a r s /r 1 r 1 c 1 c 0 ir fa s.r. specifications 230 mhz to 500 mhz -40 ? to +85 ? -40 ? to +85 ? 10 mw max. 2 mw typ. ?5 x 10 -6 , ?0 x 10 -6 , ?00 x 10 -6 +25 ? 15 ? (-3.4?.8) x 10 -8 / c 2 2 min. 40 max. 25 max. 2.6 ff typ. 4.0 pf typ. 500 m min. ?0 x 10 -6 /year max. ?0 x 10 -6 max. remarks stored as bare product after unpacking ta=+25 ? 3 ? 230 mhz to 249.9 mhz, ta=+25 ? 250 mhz to 500 mhz, ta=+25 ? (f 0 = 312.24 mhz) (f 0 = 312.24 mhz) ta=+25 ? ? ? nine drops on a concrete from 1500 mm actual size
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