specifications (characteristics) recommended soldering pattern external dimensions (unit: mm) do not connect #2 and #3 to external device. internal connection (unit: mm) #4 #4 #3 #1 #2 #3 #1 0.5 5.5 (0.9) (0.9) 1.9 #2 3.2 2.38 2.54 max. 3.8 max. 8.0 max. 20.000m 572 e 1.3 1.91.3 1.9 1.3 4.2 small smd high - frequency crystal unit MA-306 ? high-density mounting-type smd. ? excellent reliability and environment capability. ? capable of covering a wide frequency range. ( from 17.734 mhz to 41 mhz) ? 2.54mm thickness is equal to smd-type ic. item nominal frequency temperature range drive level soldering condition frequency tolerance (standard) frequency temperature characteristics (standard) load capacitance series resistance shunt capacitance insulation resistance aging shock resistance symbol f t stg t opr gl dl t sol d f/f c l r 1 c 0 ir fa s.r. specifications 17.734 mhz to 41.000 mhz -55?c to +100?c -20?c to +70?c 2mw max. 10w to 100w twice at under 260?c within 10 sec. or under 230?c within 3 min. 50ppm 30ppm 10pf to 60 max. 5pf max. 500 m min. 5ppm/y max. 10ppm max. remarks fundamental mode stored as bare product after unpacking only crystal oscillation is guaranteed ta=25?c3?c -20?c to +70?c please specify -20?c to +70?c, dl=100w ta=25?c3?c, first year three drops on a hard board from 75 cm or excitation test with 3000g x 0.3ms x 1/2 sine wave x 3 directions storage temperature operating temperature maximum drive level recommended drive level actual size there are some cases that a parts of the cylindrical capsule of quartz unit expose on the surface of the molding material. http://www.spezial. c z - - - spezial @ spezial . c z - - - hotlines: tel ( 02 ) 24 34 22 00 - - - fax (02) 2434 3 200
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