a ctual size http://www.epsontoyocom.co.jp crystal unit 17 s p ecifications ( characteristics ) specifications item symbol FA-238V fa-238 remarks nominal frequency range f 12.000 mhz to 15.999 mhz 16.000 mhz to 50.000 mhz fundamental for the out of standar d specifications, please contact us for inquiries. storage temperature t_stg -40 c to +125 c stored as bare product after unpacking temperature range operating temperature t_use -40 c to +85 c specified equivalent se ries must be satisfied level of drive dl 10 w to 100 w frequency tolerance f_tol 50 10 -6 (standard), ( 15 10 -6 to 50 10 -6 is available) +25 c for the out of st andard specifications, please contact us for inquiries. frequency versus temperature characteristics f_tem 30 10 -6 -20 c to +70 c for the out of standard specifications, please c ontact us for inquiries. load capacitance cl 7 pf to (standard:10 pf) for the out of standar d specifications, please contact us for inquiries. motional resistance (esr) r 1 as per below table -40 c to +85 c, dl = 100 w frequency aging f_age 5 10 -6 / year max. +25 c, first year * 1 for over 40mhz, only the standard specification applies. motional resistance ( esr ) frequency motional resistance 12.0 mhz f 13.0 mhz 100 ? max. 13.0 mhz < f < 20.0 mhz 80 ? max. 20.0 mhz f < 25.0 mhz 60 ? max. 25.0 mhz f < 30.0 mhz 50 ? max. 30.0 mhz f 50.0 mhz 40 ? max. external dimensions ( unit:mm ) ? ? ? foot p rint ( recommended ) ( unit:mm ) ? FA-238V / 238 mhz range crystal unit miniature size low profile smd fa - 238v / 238 ? frequency range : 12 mhz to 50 mhz ? thickness : 0.6 mm typ. ? overtone order : fundamental ? applications : small communications devices ? lead(pb)-free : lead free completely 1.2 2.2 1.4 1.6 fa-238 FA-238V 1.2 2.4 1.4 1.9 #1 #4 #2 #3 internal connection #2 and #4 is connected with a cover. 3.2 0.1 #1 #4 2.5 0.1 #2 #3 0.9 0.7 #1 #3 #4 0.8 #2 0.6 0.1 2000m e66ra FA-238V 0.85 0.9 #1 #3 #4 0.7 1.3 #2 fa-238 1.2 2000m e66ra www..net
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