Page 8 of Chip Antenna 2011 by Taiyo Yuden

precautions precautions 1 pcb design land pattern design please do not arrange the surface and inside layer pattern near the antenna mounting area land pattern design land pattern dimension examples and recommended antenna land pattern af216m/816m/116m ah316m type af216m af816m af116m ah212m l 2.5 8 11 2 dimensions p 1.5 7 10 1 a 3 5 3 3 unit mm ah083f ah104f ah122f technical considerations ah104n ah086m 2 soldering conditions of reflow soldering for reference pb free reflow profile reflow profile technical considerations components should be preheated to within 100 to 130 from soldering temperature assured to be reflow soldering for 2 times note the above profiles are the maximum allowable soldering condition therefore these profiles are not always recommended 3 storage conditions storage conditions 1 the products should not be used in the following environments exposure to special gases such as c12 nh3 sox nox exposure to volatile gas or inflammable gas exposure to a lot of dust exposure to water or condensation precautions exposure to direct sanlight or freezing 2 the products should be kept in the following conditions temperature 1040 humidity 1585rh 3 the products should be used within 6 months after delivery in case of storage over 6 months solderability shall be checked before actual usage please contact our offices for further details of specifications all of the standard values listed here are subject to change without notice due to technical improvements therefore please check the specifications carefully before use this catalog contains the typical specification only due to the limitation of space when you consider the purchase of our products please check our specification for details of each product characteristics graph reliability information precautions for use and so on see our web site http www.ty-top.com or cd catalogs chipan_reli-prp3 chipan_reli_e-01

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