1. scope this specification is ap plied to the ceramics r e sonator us ed for the clock oscillation of micr opr o cessor . 2. model name part name custo m er s part number d r aw ing n o . z t a 50.0mx 3. dimensions zta50.0mx ceramic resonator mark 1 zt a50.0mx http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
4. test circuit parts shall be measu r ed under a condition (t emp.:3 35 .hu m .:45 85 )un l ess a n y necessity to measur e under a standard condition (t emp.:202 .humi.:655 is occurr ed . x 1 z t a50.0mx c1=c2=5pf ic: 1/674hcu04 v d d = + 5 v 5. electrical characteristics item requir e ments 5-1 fr equency accuracy 50.0m0.5% 5-2 resonant impedance 35 max 5-3 operating t e mperatur e range storage t e mperatur e range -20 to +80 -30 to +85 5-4 stability t e mperatur e 0.3% max. 20 +80 5-5 w i thstanding v o ltage dc 100v . less than 5 sec 5-6 insulation resistance 100 m min dc 10v 5-7 aging for 10 y e ars 0.5 max zta50.0mx ceramic resonator http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
6 . physical and environment a l charcteristics t e st item c o n d i t i o n o f t e s t requir e ments 6-1 lead str e ngth lead bending for c e of 1 kg is applied fo r 10 sec o nd to ea ch le ad in axial dir ection. firmed the terminal up to 2mm. r e sonator le ad shall be subjected to w i thstand against 90 o bending its stem. his operation s h a ll be done toward both dir ection. n o mechani c al dam a g e and the measur ed values shal l meet ite m 5. 6-2 solder ability the term inal s of the res o nator shall be im mers ion in a solde r ing bath 2 30 5 f o r 30.5sec. r e fer to mil-std - 202e-208c the so lder shall for c oat at least 95 % of the terminal. 6-3 v i bration resonator shall be measur ed after being applied vibration as below . v i bration fr eq: 10-55hz amplitude: 1.5mm d i r ections: 3axial dir ections t i me: 2bour/each dir ection 6-4 ra ndo m dr o p resonator shall be measur ed after 3 times random dr opping fr om the height of 1m. concr e te floor 6-5 resistance to soldering heat dipped in 35 010 measur ed s o l d er to a poin t 1.5m m fr om r e sonator b o dy for 30. 5 sec o r dipped in 2 60 5 m e lted sol d er for 101 sec. res o nator shall be measur ed after being placed in natural condition for 1 hour . the measur ed values shall meet table l zta50.0mx ceramic resonator http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
6. physical and environment a l characteristics t e st item condition of t e st requir e ments 6-6 humidity after bein g placed in a chamber hu mi: 90-95 r h t e mp:4 02 for 96 hours resonator shall be measur ed after placed in natural condition for 1 hour . 6-7 life t e st (high temperatur e ) after being placed in a chamber 8 5 2 for 96 hours, resonator shall be measur ed after being placed in natural condition for 1 hour . 6-8 life t e st lo w temperatur e stor ed in a chamber t e mp:-202 for 1000 hours, resonator shall be measur ed after being placed in natural condition for 1 hour . 6-9 thermal shock after temp eratur e cyc l ing of -20 (30min) to +80 30m i n w a s performed 5 time s the resonator shall be measur ed after being placed in natural condition for 1 hour . the measur ed values shall meet table l ta b l e 1 item limit v a lue fr equency shift f/fo 0.3% resonant impedance z r 5 note: the limits in the above table ar e r e fer e nced to the initial measur e ments. zta50.0mx ceramic resonator http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
7. notice 7.1 ceramic resonator should be stor ed in stor er oom. and the surr ounding atmospher e is acid less, alkali-fr ee and no other harmful impurity . 7.2 the package for ceramic damage. 7.3 this specification limits the quality of the component as a single unit. please make sur e that the component is evaluated and confirmed the draw ing when it is mounted to your pr oduct. zta50.0mx ceramic resonator http:// www.wej.cn e-mail:wej@yongerjia.com wej electronic co. r o hs wej electronic co.,ltd
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