crystal specification customer approval : I? / sale department tel: (04)25347909 fax: (04)25327885 / 25337396 url http://www.siward.com.tw ?|C / quality assurance dept. tel: (04)25347909 ext 1340/1341 l /r & d dept. tel: (04)25347909 ext 1521 address:1-1,lane 111,jung-shan rd.,sec.3, tantzu hsing,taichung 427,taiwan,r.o.c. date : 2012/06/13 approved by : checked by : designer : spec. no.: a180-120 customer : |@?~??? customer p/n : siward p/n : XTL571200-A180-120 free datasheet http:///
rev. description of revision history date designer checked by 1 2007/11/15 sally lin tom tang new publication spec. no.: a180-120
crystal specification 1. description : quartz crystal 2. nominal frequency : 18.432000 mhz 3. center frequency : 18.432000 mhz 4. dimension & drawing no. : sx-3225 ; sxd-00213 5. oscillation mode : fundamental 6. cutting mode : at cut 7. packing style : tp-094 8. measurement instrument : s&a 250b(measured fl) 9. electrical characteristics : [1] operating conditions : item symbol min. typ. max. unit condition operating temperature range topt -20 70 storage temperature range tstg -40 90 load capacitance cl 18 pf drive level dl 100 w [2] frequency stability : item symbol min. typ. max. unit condition tolerance df/fo -20 20 ppm refer to center frequency @253 stability over temperature df/f25 -20 20 ppm refer to operating temperature aging df/f25 -3 3 ppm per year df/fo: frequency deviation refer to center frequency df/f25: frequency deviation refer to 25 frequency spec. no.: a180-120
[3] electrical performance : item symbol min. typ. max. unit condition equivalent series resistance esr 100 ? @series shunt capacitance co 5 pf insulation resistance ir 500 m? @dc 100 volt 10. marking : laser *marking : d ->year c -> month year : 1 2 3 4 5 6 7 8 9 0 code : a b c d e f g h j k month: 1 2 3 4 5 6 7 8 9 10 11 12 code : a b c d e f g h j k l m 18.4 s dc 11. remark : *lead free, rohs compliant spec. no.: a180-120
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