1. scope this specification is applied to the ceramics r e sonator used 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 40.0mx 3. dimensions zta40.0mx ceramic resonator mark 1 zt a40.0mx 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 measur ed under a condition t e mp.:3 35 .hum.:45 85 unless any necessity to measur e under a standard condition t e mp.:202 .humi.:655 is occurr ed . x 1 z t a40.0mx c1=c2=5pf ic: 1/674hcu04 v d d = + 5 v 5. electrical characteristics item requir e ments 5-1 fr equency accuracy 40.0m0.5% 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 zta40.0mx 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 withstand against 90 o bending its stem. this operation s h all be done toward both dir ection. no mecha n ical damage and the measur ed values shall meet item 5. 6-2 solder ability the term inal s of the res o nator shall be im mers ion in a so lder ing bath 230 5 f o r 30. 5sec. r e fer t o mil-std - 202e-208c the solder shall for coat at l e ast 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 sol d er to a poin t 1.5mm fr om resonator body for 30.5 sec or dipped in 2605 melted so l d e r fo r 10 1 se c. re so na to r sha ll be m e a s ur ed after being placed in natural condition for 1 hour . the measur ed values shall meet table l zta40.0mx 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 being placed in a chamber humi: 90-95 rh t e mp:402 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 85 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 temperatur e cycling of -20 30 min) to +80 30min w a s performed 5 times 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. zta40.0mx 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 stow 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 duaw i ng when it is mounted to your pr oduct. zta40.0mx 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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