features ? 0805 size. rated current up to 2a. ? effective for fltering noise on power (vcc) lines. applications ? pcs, laser printers, cellular phone, power/ signal lines for lcd display, offce equipments ? av power supply/ signal line, tv, vcr, etc. ? high current signal lines how to order old p/n knh 21 104 - 3 new p/n knh 21 c104 da 3t series size 21 2012 capacitance 104 100,000pf 471 470pf 473 47,000pf 221 220pf quantity per reel 3 3000 pcs. (std.) capacitance c104 100,000pf c473 47,000pf c471 470pf c221 220pf c105 1,000,000pf application da digital circuit in general packaging 3t t&r: 3000 pcs. (std.) pb free rohs compliant dimensions (unit: mm) , 7 4 ' ) . / 5 4 ) . / 5 4 code l w knh21 2.0 0.2 1.25 0.2 code t g knh21 0.85 0.15 0.40 0.30 specifcations part number capacitance ( + 50/ ? 20%) rated current rated voltage temp. coeffcient of capacitance old: knh21104 new: knh21c104da 100,000pf 2.0a 25vdc 15% old: knh21473 new: knh21c473da 47,000pf 2.0a 50vdc 15% old: knh21471 new: knh21c471da 470pf 1.0a 50vdc 60ppm/ c old: knh21221 new: knh21c221da 220pf 1.0a 50vdc 60ppm/ c KNH21C105DA 1,000,000pf 4.0a 10vdc 15% attenuation characteristics
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10 0 10 10 100 1000 10000 attenuation (db) frequency (mhz) knh21221 knh21c221da knh21471 knh21c471da knh21473 knh21c473da knh21104 knh21c104da knh21105 KNH21C105DA recommended land pattern (unit: mm) 4 h r o u g h ( o l e t o 2 e s i s t 2 e s i s t # o n d u c t o r packaging specifcation ? taping (3000/ reel) (unit: mm) ? wide attenuation range including surrounding circuit. attenuation effect of power supply noise + . ( s e r i e s , # f i l t e r 25 60 55 50 45 40 35 30 925 825 725 625 525 freq. (mhz) spectrum attenuation (dbuv) 425 325 225 125 original filter passed original filter passed 25 60 55 50 45 40 35 30 925 825 725 625 525 freq. (mhz) spectrum attenuation (dbuv) 425 325 225 125 test circuit 4 e s t p o i n t 6 $ $ 6 , 6 # - ( z f i l t e r emi filters knh21 series
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