1. scope this specification is applied to the ceramics filter used for tv/vcr ?? / ??? 2 . model name ?? part no. ( ? ) customer`s part no.( ??? ) drawing no.( ? ) sfsh4.5mcb / jyd-062 3. dimensions ? f4.5m 10.0 (max) 8.0 0 $ ; 4.0 f 0.5 2.5 0.2 2.5 0.2 0.3 0.1 4.0 (max) 0.5 0.1 input() ground(?) output() unit( ) mm materials ( ) terminal( ) sn plated on cu ? coating( ? ) epoxy resin ? sfsh4.5mcb ceramic filter
4. electrical characteristics ? item ? requirements ? 1 center frequency of 3 db bandwidth (fo) 3 db ?? 4.490~4.540mhz 2 3 db bandwidth 3db ? 70khz 3 20db bandwidth (20db ) 600khz (max) 4 insertion loss ? at minimum loss point ? ) 6.0 db (max) 5 ripple ? within 3 db bandwidth 3 db ) 1.0 db ( max) 6 spurious response ?? 0~4.5mhz: 30db (min) 4.5~7mhz: 15db (min) 7~10mhz: 30db (min) 7 insulation resistance ( ? ) 100m min (d.c. 100v) 8 withstanding voltage ?? d.c. 50v, 1 min (max) 9 storage temp. range ?? -40 ~+85 10 test temp.&humi.condition ( ?? ) +10 ~+30 40%~80% 11 input /output impedance ( ? ) 1000 5 test circuit ( ? ) unless any necessity to measure under a standard condition(temp:20 2 .humi.:65 5%)is occurred.( ????? 20 2 ? 65 5% r1=950 ? 5% r2=1000 ? 5% rg=50 c=10pf input() ground(?) output() sfsh4.5mcb ceramic filter
6. physical and environmental characteristics ? test item ( ? ) condition of test requirements ? 1 lead strength ?? lead pulling lead bending force of 0.5kg is applied to each lead in axial direction for 10sec.. ?? 0.5kg 10 ? when force of 0.25kg is applied to each lead in axial direction.the lead shall folded up to 90 from the axial direction and folded back to the axial direction. ( ? 0.25kg ? 90 ??? ) no mechanical damage and the measured values shall meet table 1.( ?? ? 1 ? ) 2 solderability ( ? ) lead terminals are immersed in resin for 5 seconds and then immersing in a soldering bath(235 5 )for 5 0.5sec.( ? 5 ? 235 5 5 0.5 ) the solder shall coat at least 90% of the surface of terminal( ? 90%) 3 storage in high temp. ( ) after being placed in a chamber with 85 for 100 hours and then being placed in natural condition for 1 hours, then measure.(85 100 ?? ? 1 ? ) the measured value shall meet table 1( ? 1 ? ) 4 storage in low temp. ( ) after being placed in a chamber with -25 for 100 hours and then being placed in natural condition for 1 hours, then measure.(-25 100 ? ?? 1 ? ) 5 humidity ( ? ) after being placed in a chamber humi.:90~95%rh,temp.:40 2 for 100 hours and then being placed in natural condition for 1 hours, then measure. ( ? 40 2 ? 90~95% ? 100 ??? 1 ? ) 6 thermal shock ( ? ) after temperature cycling of -55 (30 minutes)to +85 (30 minutes)was performed 5 times,resonator shall be measured after being placed in natural condition for 1 hour(-55 30 ? +85 30 ? ? 5 ? 1 ? ) 7 resistance to soldering heat ( ? ) lead terminals are immersed up to 2. 0 L from the root of terminals in solder bath of 265 5 for 10 1seconds, resonator shall be measured after being placed in natural condition for 1 hour.( ? 2mm ? 265 5 10 1 ? ? 1 ? ) sfsh4.5mcb ceramic filter
?? 8 random drop ( ? ) filter shall be measured after 3 times random dropping from the hight of 1 m to concrete floor.( 1 ???? 3 ) the measured value shall meet table 1( ? 1 ? ) 9 vibration ( ) filter shall be measured after being applied vibration as below:( ??? ) vibration freq.( ? ): 10 hz to 55 hz amplitude( ): 1.5mm directions( ): 3 axial directions time( ? ): 1 hour/each direction 1 ? / 10 temperature characteristics ( ? ) filter shall be measured within ?25 to +85 temperature range. temp. coefficient of fo ( ? ?25 +85 ??? fo ?? ) 100ppm/ reference temp. ?? : +20 table 1( 1) item ( ? ) limit value ( ?? ) 3 db bandwidth 3db ? 20khz max 20db bandwidth 20db ? 30khz max insertion loss 2.0 db max note: the limits in the above table are referenced to the initial measurements. ?????? 7. notice ?? 1 do not use this product with bend. the component may be damaged if excess mechanical stress is applied to it mounted on the printed circuit board. ??????? ?????? 2 this specification limits the quality of the component as a single unit please make sure that the component is evaluated and confirmed the draw ing when it is mounted to your product. ? ???????????? sfsh4.5mcb ceramic filter
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